Games like Ad Infinitum on Steam

For those who prefer not to search, lists of the most played, top deals and best free games like Ad Infinitum are available at the bottom of the page.

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Slender: The Arrival

Slender Man returns more terrifying than ever. You're on your own. No one to help you. No one to hear you scream. Relive the horror all over again with cutting edge visuals for the 10th Anniversary Update and experience survival horror at its finest.

Similarity 80%
Price -50% 9.73€
Rating 8.6
Release 28 Oct 2013

Abandoned Souls

Abandoned Souls is a horror game, shown through a GoPro lens. You play as a vlogger who specializes in urban exploration.

Similarity 79%
Price 4.99€
Rating 7.0
Release 14 Jul 2023

Perfect Vermin

Your task is simple, exterminate all vermin. The sledge hammer you have been provided is capable of destroying almost all office appliances and furniture that may be uncooperative. Your time is running out.

Similarity 79%
Price Free to play
Rating 9.0
Release 06 Nov 2020

Tormented Souls

Classic survival horror is back! Inspired by the original Resident Evil and Alone in the Dark series, Tormented Souls modernises with a fresh twist on the fixed perspective adventure - as Caroline Walker investigates the mysterious disappearance of twin girls in a terrifying mansion-turned-hospital.

Similarity 79%
Price 19.99€
Rating 8.8
Release 26 Aug 2021

Witch Hunt

Witch Hunt is a challenging horror themed hunting game that takes place in the 18th century. Main focus of the game is on exploration, non-linearity, and atmosphere.

Similarity 79%
Price 9.75€
Rating 8.5
Release 03 Sep 2018

Beyond Hanwell

Explore Westminster, London on a journey to the ruins of Hanwell. Fight with whatever you can find or use the environment to defend yourself against an ever increasing scourge of Anomalies.

Similarity 79%
Price -60% 9.80€
Rating 7.3
Release 26 Sep 2024

Shattered Lights

Shattered Lights is a VR psychological horror room-scale experience, which focuses on drawing the player into the game with unparalleled immersion.

Similarity 79%
Price Free to play
Rating 8.2
Release 11 Jun 2019

FIVE NIGHTS AT FREDDY'S: HELP WANTED

Five Nights at Freddy’s: Help Wanted is a collection of classic and original mini-games set in the Five Nights universe. Experience the horror in flat (non-VR) mode or VR. Oculus Rift and HTC Vive are supported. A VR Headset is NOT required to play.

Similarity 79%
Price 24.99€
Rating 9.3
Release 28 May 2019

Five Nights at Freddy's: Sister Location

Welcome to Circus Baby's Pizza World, where family fun and interactivity go beyond anything you've seen at those *other* pizza places! Now hiring: Late night technician. Must enjoy cramped spaces and be comfortable around active machinery. Not responsible for death or dismemberment.

Similarity 79%
Price 7.99€
Rating 8.8
Release 07 Oct 2016

Syndrome

Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.

Similarity 79%
Price 19.99€
Rating 6.2
Release 06 Oct 2016

Condemned: Criminal Origins

What twists the mind of an ordinary human into a serial killer?

Similarity 79%
Price -87% 1.26€
Rating 8.4
Release 29 Oct 2012

Occult

Occult is a dynamic cooperative game with elements of horror and quest. You are waiting for a variety of opponents, puzzles and endings!

Similarity 78%
Price 3.99€
Rating 7.0
Release 19 May 2022

Indigo Park: Chapter 1

Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

Similarity 78%
Price Free to play
Rating 9.3
Release 18 May 2024

Amnesia: Rebirth

A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.

Similarity 78%
Price 28.99€
Rating 7.5
Release 20 Oct 2020

Siren Head: The Horror Experience

Some teenagers have gone camping in the woods far out of town after hearing an old folks tale about a monster lurking within the woods. The monster surrounds its habitat with horrifying and distorted siren noises.

Similarity 77%
Price Free to play
Rating 6.8
Release 23 Nov 2022

Still Wakes the Deep

1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality.

Similarity 77%
Price -58% 14.63€
Rating 8.7
Release 18 Jun 2024

Psych

Experience the story of Alexander Green and find out what happened on the day of the accident in this First Person horror Adventure. Follow the development of Alex, solve puzzles around the event and try not to fall into madness as you search for answers.

Similarity 77%
Price 8.99€
Rating 7.4
Release 22 Oct 2022

Spooky's Jump Scare Mansion

Can you survive 1000 rooms of cute terror? Or will you break once the cuteness starts to fade off and you're running for your life from the unspeakable hideous beings that shake and writhe in bowels of this house? They wait for you, they wait and hunger for meeting you.

Similarity 77%
Price Free to play
Rating 9.1
Release 28 Jul 2015

Darkwood

Darkwood - a new perspective on survival horror. Scavenge and explore a rich, ever-changing free-roam world by day, then hunker down in your hideout and pray for the morning light.

Similarity 77%
Price 14.79€
Rating 9.3
Release 17 Aug 2017

Siren Head: Awakening

Siren Head: Awakening is a first-person horror game based on Trevor Henderson's artwork. You're stuck with your car in the middle of a dark forest with nothing but your flashlight. Seek escape by finding items necessary to survive while a terrifying monster lurks the shadows.

Similarity 77%
Price Free to play
Rating 7.0
Release 30 Oct 2020

SUCCUBUS

Become a demonic priestess of lust and use her unique skills to take revenge on your enemies. Regain your kingdom making hell tremble under your hooves! Leave no one alive if they won't bend the knee.

Similarity 77%
Price 24.99€
Rating 7.5
Release 05 Oct 2021

FROSTBITE: Deadly Climate

Survive the arctic research base simply known as Base 75, or die from the freezing cold or by the horrors that lurk within the halls?

Similarity 76%
Price Free to play
Rating 8.1
Release 22 Jul 2018

Those Who Remain

As the lights go out, the embers of darkness are stoked in the sleepy town of Dormont. Confront uncomfortable horrors, keep your sanity in check and survive the night in this story-driven first-person psychological-thriller.

Similarity 76%
Price -88% 2.39€
Rating 6.5
Release 28 May 2020

Don't Knock Twice

Don't Knock Twice is a first-person horror game based on a psychologically terrifying urban legend. One knock to wake her from her bed, twice to raise her from the dead. Supports VR on HTC Vive and Oculus Rift for the ultimate horror experience!

Similarity 76%
Price -73% 5.39€
Rating 6.9
Release 05 Sep 2017

Most played games like Ad Infinitum on Steam

Take a look at the top games like Ad Infinitum that are currently attracting the largest player bases on the Steam platform, as of April 16th 2025.

1. Metro 2033 Redux

Similarity 67% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10. The game has hit the top spot as the #1 most played game like Ad Infinitum, thanks to its 13,485 peak concurrent players over the last day.
8.9
84,551
8,753

13,485
players

2. Resident Evil 4

Similarity 68% Survival is just the beginning. Six years have passed since the biological disaster in Raccoon City. Leon S. Kennedy, one of the survivors, tracks the president's kidnapped daughter to a secluded European village, where there is something terribly wrong with the locals. Resident Evil 4 is a horror, action and survival horror game developed and published by CAPCOM Co. and Ltd.. Released on March 23rd 2023 has received 175,627 reviews of which 171,577 were positive and 4,050 were negative resulting in an impressive rating of 9.6 out of 10. While seeing 3,535 players online at once in the last 24 hours, this game is currently ranked #2 among games like Ad Infinitum based on player count.
9.6
171,577
4,050

3,535
players

3. The Forest

Similarity 70% As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator. The Forest is a open world survival craft, survival and open world game developed and published by Endnight Games Ltd. Released on April 30th 2018 has received 622,378 reviews of which 594,632 were positive and 27,746 were negative resulting in an impressive rating of 9.5 out of 10. While seeing 3,175 players online at once in the last 24 hours, this game is currently ranked #3 among games like Ad Infinitum based on player count.
9.5
594,632
27,746

3,175
players

4. Subnautica

Similarity 65% Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive. Subnautica is a open world survival craft, survival and horror game developed and published by Unknown Worlds Entertainment. Released on January 23rd 2018 has received 309,700 reviews of which 300,502 were positive and 9,198 were negative resulting in an impressive rating of 9.6 out of 10. With 2,653 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Ad Infinitum.
9.6
300,502
9,198

2,653
players

5. SCP: Secret Laboratory

Similarity 64% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 211,312 reviews of which 193,314 were positive and 17,998 were negative resulting in an impressive rating of 9.0 out of 10. With 2,104 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Ad Infinitum.
9.0
193,314
17,998

2,104
players

6. The Outlast Trials

Similarity 66% Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same? The Outlast Trials is a horror, multiplayer and co-op game developed and published by Red Barrels. Released on March 05th 2024 has received 64,587 reviews of which 60,364 were positive and 4,223 were negative resulting in an impressive rating of 9.2 out of 10. With 1,607 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Ad Infinitum.
9.2
60,364
4,223

1,607
players

7. Outer Wilds

Similarity 69% Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop. Outer Wilds is a exploration, space and mystery game developed by Mobius Digital and published by Annapurna Interactive. Released on June 18th 2020 has received 81,971 reviews of which 78,436 were positive and 3,535 were negative resulting in an impressive rating of 9.4 out of 10. With 944 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Ad Infinitum.
9.4
78,436
3,535

944
players

8. Resident Evil 2

Similarity 70% A deadly virus engulfs the residents of Raccoon City in September of 1998, plunging the city into chaos as flesh eating zombies roam the streets for survivors. An unparalleled adrenaline rush, gripping storyline, and unimaginable horrors await you. Witness the return of Resident Evil 2. Resident Evil 2 is a zombies, survival horror and horror game developed and published by CAPCOM Co. and Ltd.. Released on January 24th 2019 has received 170,478 reviews of which 165,329 were positive and 5,149 were negative resulting in an impressive rating of 9.6 out of 10. With 931 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Ad Infinitum.
9.6
165,329
5,149

931
players

9. Poppy Playtime

Similarity 81% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 97,367 reviews of which 82,683 were positive and 14,684 were negative resulting in a rating of 8.4 out of 10. With 916 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Ad Infinitum.
8.4
82,683
14,684

916
players

10. Subnautica: Below Zero

Similarity 68% Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica. Subnautica: Below Zero is a open world survival craft, survival and underwater game developed and published by Unknown Worlds Entertainment. Released on May 13th 2021 has received 95,811 reviews of which 86,880 were positive and 8,931 were negative resulting in a rating of 8.9 out of 10. With 668 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Ad Infinitum.
8.9
86,880
8,931

668
players

Best deals on games like Ad Infinitum on Steam

Discover fantastic savings with the best discounts on a variety of games like Ad Infinitum available on Steam right now, updated on April 16th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Ad Infinitum.

1. Metro 2033 Redux

Similarity 67% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10.
8.9
84,551
8,753

-100%

2. My Friendly Neighborhood

Similarity 67% Something scary is happening with everyone's favorite Saturday morning puppet show, The Friendly Neighborhood! Play as Gordon, a repairman sent to get to the bottom of this disturbing dilemma. Fend off puppets and solve puzzles in this survival horror adventure. My Friendly Neighborhood is a singleplayer, survival horror and funny game developed by John Szymanski and Evan Szymanski and published by DreadXP. Released on July 18th 2023 has received 2,716 reviews of which 2,597 were positive and 119 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 95% discount, this game is now the #2 best deal in games like Ad Infinitum.
9.1
2,597
119

-95% 31.20€ 1.56€

3. Metro 2033 Redux

Similarity 67% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a game developed and published by . Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10.
8.9
84,551
8,753

-100%

4. Infliction

Similarity 69% Wander through an interactive nightmare set within the confines of a once-happy household. Piece together the mystery behind a harrowing series of events while struggling to survive encounters with an entity that relentlessly stands in the way of finding absolution. Infliction is a horror, psychological horror and gore game developed and published by Caustic Reality. Released on October 17th 2018 has received 858 reviews of which 701 were positive and 157 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 92% discount, this title has earned the #4 position in the best deals for games like Ad Infinitum.
7.8
701
157

-92% 19.00€ 1.52€

5. Them and Us

Similarity 65% Them and Us is a classic, survival horror game with a focus on atmosphere and player immersion. Discover the truth of Alicia’s past as she descends further into her strange, unending nightmare. Them and Us is a female protagonist, survival horror and horror game developed by TendoGames Co. and Ltd. and published by TendoGames Co., Ltd. and 方块游戏(CubeGame). Released on September 28th 2021 has received 1,363 reviews of which 1,040 were positive and 323 were negative resulting in a rating of 7.3 out of 10. Currently offered at a significant 92% discount, this title has earned the #5 position in the best deals for games like Ad Infinitum.
7.3
1,040
323

-92% 32.50€ 2.60€

6. Fobia - St. Dinfna Hotel

Similarity 66% Explore a decadent hotel across different timelines and uncover the dark history of a fanatical cult and your role in their plans. Fobia - St. Dinfna Hotel is a indie, survival horror and violent game developed by Pulsatrix Studios and published by Maximum Entertainment. Released on June 28th 2022 has received 1,910 reviews of which 1,635 were positive and 275 were negative resulting in a rating of 8.2 out of 10. Currently offered at a significant 91% discount, this title has earned the #6 position in the best deals for games like Ad Infinitum.
8.2
1,635
275

-91% 26.00€ 2.34€

7. Through the Woods

Similarity 67% Through the Woods is a third-person Norse horror adventure set in a forest on the western shores of Norway that tells the story of a mother and her missing son. Through the Woods is a adventure, indie and horror game developed by Antagonist and published by Fulqrum Publishing. Released on October 27th 2016 has received 1,569 reviews of which 1,114 were positive and 455 were negative resulting in a rating of 6.9 out of 10. Currently offered at a significant 91% discount, this title has earned the #7 position in the best deals for games like Ad Infinitum.
6.9
1,114
455

-91% 19.78€ 1.78€

8. Penumbra: Black Plague Gold Edition

Similarity 89% Surrounded by enemies and assaulted by terror from all sides, Philip must collect clues and solve vexing puzzles while combating the gnawing psychological terrors that assail his mind and threaten to strip him of his sanity. Penumbra: Black Plague Gold Edition is a horror, adventure and first-person game developed and published by Frictional Games. Released on January 23rd 2009 has received 2,725 reviews of which 2,564 were positive and 161 were negative resulting in an impressive rating of 9 out of 10. Currently offered at a significant 90% discount, this title has earned the #8 position in the best deals for games like Ad Infinitum.
9
2,564
161

-90% 9.75€ 0.97€

9. FOREWARNED

Similarity 75% FOREWARNED is a 1-4 player co-op survival horror. Delve deep into ancient Egyptian ruins with your team of fellow archaeologists. Investigate phenomena, collect treasure, discover lore, survive danger, and banish the evil that lurks within. FOREWARNED is a horror, online co-op and survival horror game developed and published by Dreambyte Games. Released on April 25th 2024 has received 6,372 reviews of which 5,793 were positive and 579 were negative resulting in a rating of 8.8 out of 10. Currently offered at a significant 90% discount, this title has earned the #9 position in the best deals for games like Ad Infinitum.
8.8
5,793
579

-90% 11.30€ 1.13€

10. Penumbra Overture

Similarity 83% Penumbra: Overture is a first person survival horror game, emphasizing on survival and problem solving instead of mindless violence and gore. Penumbra Overture is a horror, adventure and first-person game developed and published by Frictional Games. Released on March 06th 2009 has received 3,733 reviews of which 3,374 were positive and 359 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 90% discount, this title has earned the #10 position in the best deals for games like Ad Infinitum.
8.7
3,374
359

-90% 9.75€ 0.97€

Free games like Ad Infinitum on Steam

Check out this fantastic list of free-to-play games like Ad Infinitum you can enjoy on Steam right now, updated on April 16th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Ad Infinitum.

1. Metro 2033 Redux

Similarity 67% In 2013 the world was devastated by an apocalyptic event, annihilating almost all mankind and turning the Earth's surface into a poisonous wasteland. A handful of survivors took refuge in the depths of the Moscow underground, and human civilization entered a new Dark Age. The year is 2033. Metro 2033 Redux is a post-apocalyptic, fps and atmospheric game developed by 4A Games and published by Deep Silver. Released on August 27th 2014 has received 93,304 reviews of which 84,551 were positive and 8,753 were negative resulting in a rating of 8.9 out of 10. With 13,485 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Ad Infinitum.
8.9
84,551
8,753

13,485
players

2. SCP: Secret Laboratory

Similarity 64% Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape. SCP: Secret Laboratory is a free to play, multiplayer and horror game developed and published by Northwood Studios. Released on December 29th 2017 has received 211,312 reviews of which 193,314 were positive and 17,998 were negative resulting in an impressive rating of 9.0 out of 10. Thanks to its free to play tag and a daily player base of 2,104, this game has secured the #2 spot in the ranking of free games like Ad Infinitum.
9.0
193,314
17,998

2,104
players

3. Poppy Playtime

Similarity 81% You must stay alive in this horror/puzzle adventure. Try to survive the vengeful toys waiting for you in the abandoned toy factory. Use your GrabPack to hack electrical circuits or nab anything from afar. Explore the mysterious facility... and don't get caught. Poppy Playtime is a horror, free to play and singleplayer game developed and published by Mob Entertainment. Released on October 12th 2021 has received 97,367 reviews of which 82,683 were positive and 14,684 were negative resulting in a rating of 8.4 out of 10. Thanks to its free to play tag and a daily player base of 916, this game has secured the #3 spot in the ranking of free games like Ad Infinitum.
8.4
82,683
14,684

916
players

4. Cry of Fear

Similarity 71% Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness. Cry of Fear is a horror, free to play and multiplayer game developed and published by Team Psykskallar. Released on April 25th 2013 has received 73,111 reviews of which 64,708 were positive and 8,403 were negative resulting in a rating of 8.7 out of 10. Attracting a solid base of 346 players due to its free access, this strategy game has achieved the #4 position in the best free games like Ad Infinitum.
8.7
64,708
8,403

346
players

5. Ultimate Custom Night

Similarity 76% Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties! Ultimate Custom Night is a free to play, horror and singleplayer game developed and published by Scott Cawthon. Released on June 27th 2018 has received 57,857 reviews of which 55,013 were positive and 2,844 were negative resulting in an impressive rating of 9.3 out of 10. Attracting a solid base of 177 players due to its free access, this strategy game has achieved the #5 position in the best free games like Ad Infinitum.
9.3
55,013
2,844

177
players

6. Dark Deception

Similarity 73% Death awaits you in Dark Deception, a story-driven first-person horror maze game. There's nowhere to hide & nowhere to catch your breath. Run or die - it's your choice. Trapped in a realm of nightmarish mazes with a mysterious woman, your only hope of survival is to find a way to escape. Dark Deception is a horror, free to play and multiplayer game developed and published by Glowstick Entertainment. Released on September 26th 2018 has received 20,896 reviews of which 18,594 were positive and 2,302 were negative resulting in a rating of 8.7 out of 10. The game currently holds the #6 spot among the most played free games like Ad Infinitum.
8.7
18,594
2,302

70
players

7. Garten of Banban 0

Similarity 75% Explore the origins of the mysterious Banban’s Kindergarten. Survive the dark past of the establishment. Try to make some friends. Uncover the truth behind the place, and who you are… Garten of Banban 0 is a horror, singleplayer and first-person game developed and published by Euphoric Brothers. Released on February 21st 2025 has received 2,497 reviews of which 1,810 were positive and 687 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #7 spot among the most played free games like Ad Infinitum.
7.0
1,810
687

54
players

8. Indigo Park: Chapter 1

Similarity 78% Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down. Indigo Park: Chapter 1 is a horror, free to play and first-person game developed and published by UniqueGeese. Released on May 18th 2024 has received 20,601 reviews of which 19,682 were positive and 919 were negative resulting in an impressive rating of 9.3 out of 10. The game currently holds the #8 spot among the most played free games like Ad Infinitum.
9.3
19,682
919

46
players

9. Pathologic 3: Quarantine

Similarity 65% In this free prologue to a narrative-driven adventure, watch a mysterious plague break out in a small town. Learn what drove a celebrated academic to leave his acclaimed lab. Examine patients, uncover strange secrets, and make first steps towards immortality. Pathologic 3: Quarantine is a adventure, rpg and simulation game developed by Ice-Pick Lodge and published by HypeTrain Digital. Released on March 17th 2025 has received 1,087 reviews of which 975 were positive and 112 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #9 spot among the most played free games like Ad Infinitum.
8.5
975
112

24
players

10. Zombie Panic! Source

Similarity 68% Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification. Zombie Panic! Source is a free to play, zombies and multiplayer game developed and published by Zombie Panic! Team. Released on October 03rd 2008 has received 7,712 reviews of which 6,527 were positive and 1,185 were negative resulting in a rating of 8.2 out of 10. The game currently holds the #10 spot among the most played free games like Ad Infinitum.
8.2
6,527
1,185

24
players