Games like Oh...Sir! Prototype on Steam
For those who prefer not to search, lists of the most played, top deals and best free games like Oh...Sir! Prototype are available at the bottom of the page.
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Jelly Brawl: Classic
Jelly Brawl: Classic is a FREE sticky and destructive multiplayer party game where you gotta jiggle, flop, and pop your way to the top! Fight alone or against friends for freedom from a mad king across tons of stages, mini games, and modes as you wrestle to be the last jelly standing!
Granny Simulator
In Granny Simulator there are two players, a feeble old grandmother and her lovely grandson. The grandmothers objective is to complete her every day routine while the grandson utilizes uncanny violence and pure brutality to stop her.
Bomb Bots Arena
Send your Bomb Bots into online arenas or blast your friends off the couch locally in Bomb Bots Arena! Bomb Bots Arena is a pure multiplayer experience with every element of the game tailored to please competitive and casual gamers alike.
Tasty Planet: Back for Seconds
Control a tiny ball of grey goo with the ability to eat anything smaller than itself. The more it eats, the bigger it gets! Eat rats, dinosaurs, gladiators, samurai, pyramids, volcanoes... Everything! Soon you'll be eating the entire planet.
Tasty Blue
Tasty Blue is an underwater side-scrolling eat 'em up game. You start as a small goldfish with an insatiable appetite. After being overfed by your owner, you'll escape into the ocean and eat everything that you encounter. The more you eat, the bigger you get!
The Expendabros
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
8Bit Fiesta - The Drinking Game
8Bit Fiesta brings everything you need to the table with its action packed local multiplayer mayhem including a built in drinking game! Choose between a ton of characters and challenge your friends and prove yourself worthy the title "King of the Fiesta".
Fly Punch Boom: First Impact!
The DEMO for the WILDEST ANIME FIGHT, Fly Punch Boom! Fly super fast, smash your friends through skyscrapers and break the planet with one punch! Up to 4 players local & online. Now with workshop for INFINITE CHARACTERS!
Drunken Wrestlers
Minimalistic ragdoll fighting game created in 7 days. Only play this game if you're curious where Drunken Wrestlers 2 came from, or feeling nostalgic.
Chex Quest HD
Travel to the remote planet of Bazoik to free galactic citizens from the evil cereal-eating Flemoids! Venture deep into the caverns of Bazoik, using an array of "zorching" devices to send these nefarious foes back to their home dimension!
Bacon May Die
Chaotic bacon-flavored beat'em up with plenty of enemies to smash around
Party Jousting
A one-button party game for 2-16 players, sharing a keyboard or controller.
Max Gentlemen
Max Gentlemen is an arcade-style extreme manners simulator about stacking hats.
Awesomenauts - the 2D moba
Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game for FREE now! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS!
The Backrooms: Unbounded
The Backrooms: Unbounded is a Free Simple Linear single player first person body camera horror game based on the backrooms. You take the role of a police officer who noclips out of reality while on duty. Will you make it out alive?
My Coworker is an Idiot
Together with Steve, your coworker, deliver glass to the construction site. Try not to damage the city too much.
Graphwar
Graphwar is an artillery game in which you must hit your enemies using mathematical functions. The trajectory of your shot is determined by the function you wrote, and your goal is to avoid the obstacles and your teammates and hit your enemies. The game takes place in a Cartesian Plane.
The Jackbox Party Pack 9
Save your next party! 5 new games in 1 Party Pack: the trivia bluff-off Fibbage 4, the team test Quixort, the joke auction Junktopia, the silly guessfest Nonsensory and the reality TV game Roomerang.
The Jackbox Party Starter
Get the party started with The Jackbox Party Starter! Featuring three updated titles: Quiplash 3, Trivia Murder Party 2 and Tee K.O., this starter pack is sure to entertain!
Idol Showdown
Made by hololive fans, for hololive fans. Idol Showdown is the definitive fan-made hololive fighting game experience, powered by rollback netcode. Engage in exciting duels as your favorite hololive talent and prove once and for all who the strongest idol is using the game’s easy-to-learn controls.
The Jackbox Party Pack 8
Plan your next game night! Jackbox Games is back with 5 hilarious new party games including Drawful Animate, Job Job, The Poll Mine, Weapons Drawn, and The Wheel of Enormous Proportions.
Kandidatos
Fight in the biggest political tournament in Brazil.
Rekt: Crash Test
A high-octane, stunt, arcade game with an addictive combo and trick-based gameplay set in a retro arena. Get behind the wheel - jump, drift, stunt, and compete with others on the way on top the global leaderboard. It’s time to GET REKT!
The Jackbox Party Pack 7
Five new games: the hit threequel Quiplash 3, the collaborative chaos of The Devils and the Details, the fierce drawing game Champ’d Up, the speech game Talking Points and the guessing game Blather 'Round. Use phones or tablets as controllers and play with up to 8 players, and an audience of 10,000!Most played games like Oh...Sir! Prototype on Steam
Take a look at the top games like Oh...Sir! Prototype that are currently attracting the largest player bases on the Steam platform, as of April 19th 2025.
1. Brawlhalla
Similarity 81% An epic platform fighter for up to 8 players online or local. Try casual free-for-alls, ranked matches, or invite friends to a private room. And it's free! Play cross-platform with millions of players on PlayStation, Xbox, Nintendo Switch, iOS, Android & Steam! Frequent updates. Over sixty Legends. Brawlhalla is a free to play, multiplayer and fighting game developed by Blue Mammoth Games and published by Ubisoft. Released on October 17th 2017 has received 383,786 reviews of which 313,249 were positive and 70,537 were negative resulting in a rating of 8.1 out of 10. The game has hit the top spot as the #1 most played game like Oh...Sir! Prototype, thanks to its 13,251 peak concurrent players over the last day.
8.1
313,249
70,537
13,251
players
2. Overcooked! 2
Similarity 81% Overcooked returns with a brand-new helping of chaotic cooking action! Journey back to the Onion Kingdom and assemble your team of chefs in classic couch co-op or online play for up to four players. Hold onto your aprons… it’s time to save the world again! Overcooked! 2 is a multiplayer, online co-op and local co-op game developed by Ghost Town Games Ltd. and Team17 and published by Team17. Released on August 07th 2018 has received 71,697 reviews of which 64,976 were positive and 6,721 were negative resulting in a rating of 8.9 out of 10. While seeing 2,033 players online at once in the last 24 hours, this game is currently ranked #2 among games like Oh...Sir! Prototype based on player count.
8.9
64,976
6,721
2,033
players
3. Pummel Party
Similarity 81% Pummel Party is a 4-8 player online and local-multiplayer party game. Pummel friends or AI using a wide array of absurd items in the board mode and compete to destroy friendships in the unique collection of minigames. Pummel Party is a multiplayer, funny and online co-op game developed and published by Rebuilt Games. Released on September 20th 2018 has received 53,471 reviews of which 47,498 were positive and 5,973 were negative resulting in a rating of 8.7 out of 10. While seeing 1,653 players online at once in the last 24 hours, this game is currently ranked #3 among games like Oh...Sir! Prototype based on player count.
8.7
47,498
5,973
1,653
players
4. Human Fall Flat
Similarity 81% Human Fall Flat is a hilarious, light-hearted platformer set in floating dreamscapes that can be played solo or with up to 8 players online. Free new levels keep its vibrant community rewarded. Human Fall Flat is a co-op, funny and puzzle game developed by No Brakes Games and published by Curve Games. Released on July 22nd 2016 has received 212,596 reviews of which 201,282 were positive and 11,314 were negative resulting in an impressive rating of 9.4 out of 10. With 629 concurrent players in the last 24 hours, the game currently holds the #4 spot among the most played games like Oh...Sir! Prototype.
9.4
201,282
11,314
629
players
5. Gang Beasts
Similarity 81% Gang Beasts is a silly multiplayer party game with surly gelatinous characters, brutal slapstick fight sequences, and absurd hazardous environments, set in the mean streets of Beef City. Gang Beasts is a funny, physics and multiplayer game developed by Boneloaf and Rocket Science and published by Boneloaf. Released on December 12th 2017 has received 59,799 reviews of which 50,819 were positive and 8,980 were negative resulting in a rating of 8.4 out of 10. With 556 concurrent players in the last 24 hours, the game currently holds the #5 spot among the most played games like Oh...Sir! Prototype.
8.4
50,819
8,980
556
players
6. Duck Game
Similarity 81% Enter the futuristic year of 1984, an age where ducks run wild in a frantic battle for glory. Blast your friends with Shotguns, Net Guns, Mind Control Rays, Saxophones, Magnet Guns, and much, much more. This is DUCK GAME. Don't blink. Duck Game is a multiplayer, funny and local multiplayer game developed by Landon Podbielski and published by CORPTRON GAMES CORP.. Released on June 04th 2015 has received 38,390 reviews of which 37,086 were positive and 1,304 were negative resulting in an impressive rating of 9.5 out of 10. With 215 concurrent players in the last 24 hours, the game currently holds the #6 spot among the most played games like Oh...Sir! Prototype.
9.5
37,086
1,304
215
players
7. Broforce
Similarity 81% Broforce is an action-packed side-scrolling run ‘n’ gun ode to freedom, putting you in control of an under-funded, overpowered paramilitary organization dealing exclusively in excessive force. Broforce is a america, action and pixel graphics game developed by Free Lives and published by Devolver Digital. Released on October 15th 2015 has received 58,664 reviews of which 56,882 were positive and 1,782 were negative resulting in an impressive rating of 9.5 out of 10. With 206 concurrent players in the last 24 hours, the game currently holds the #7 spot among the most played games like Oh...Sir! Prototype.
9.5
56,882
1,782
206
players
8. The Jackbox Party Pack 3
Similarity 81% The threequel to the party game phenomenon features the deadly quiz show Trivia Murder Party, the say-anything sequel Quiplash 2, the surprising survey game Guesspionage, the t-shirt slugfest Tee K.O., and the sneaky trickster game Fakin’ It. The Jackbox Party Pack 3 is a trivia, local multiplayer and multiplayer game developed and published by Jackbox Games and Inc.. Released on October 17th 2016 has received 6,255 reviews of which 6,057 were positive and 198 were negative resulting in an impressive rating of 9.4 out of 10. With 201 concurrent players in the last 24 hours, the game currently holds the #8 spot among the most played games like Oh...Sir! Prototype.
9.4
6,057
198
201
players
9. The Jackbox Party Pack 7
Similarity 81% Five new games: the hit threequel Quiplash 3, the collaborative chaos of The Devils and the Details, the fierce drawing game Champ’d Up, the speech game Talking Points and the guessing game Blather 'Round. Use phones or tablets as controllers and play with up to 8 players, and an audience of 10,000! The Jackbox Party Pack 7 is a party game, party and funny game developed and published by Jackbox Games and Inc.. Released on October 14th 2020 has received 4,618 reviews of which 4,463 were positive and 155 were negative resulting in an impressive rating of 9.3 out of 10. With 155 concurrent players in the last 24 hours, the game currently holds the #9 spot among the most played games like Oh...Sir! Prototype.
9.3
4,463
155
155
players
10. Untitled Goose Game
Similarity 81% It's a lovely morning in the village and you are a horrible goose. Untitled Goose Game is a funny, villain protagonist and multiplayer game developed by House House and published by Panic. Released on September 23rd 2020 has received 21,810 reviews of which 20,897 were positive and 913 were negative resulting in an impressive rating of 9.4 out of 10. With 148 concurrent players in the last 24 hours, the game currently holds the #10 spot among the most played games like Oh...Sir! Prototype.
9.4
20,897
913
148
players
Best deals on games like Oh...Sir! Prototype on Steam
Discover fantastic savings with the best discounts on a variety of games like Oh...Sir! Prototype available on Steam right now, updated on April 19th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted games like Oh...Sir! Prototype.
1. ToeJam & Earl: Back in the Groove!
Similarity 81% ToeJam & Earl: Back in the Groove! is a mash-up of the very best features of the classic console games with a ton of fresh improvements! Explore Earth as funky aliens from planet Funkotron trying to find your missing ship pieces to get back home in this casual co-op roguelike. ToeJam & Earl: Back in the Groove! is a adventure, indie and casual game developed and published by HumaNature Studios. Released on February 28th 2019 has received 1,087 reviews of which 957 were positive and 130 were negative resulting in a rating of 8.3 out of 10. Featuring a massive 92% discount, this game currently holds the #1 spot in the best deals for games like Oh...Sir! Prototype.
8.3
957
130
-92%
12.50€
1.00€
2. Cook, Serve, Delicious!
Similarity 81% One of the few hardcore restaurant sims in existence, Cook, Serve, Delicious! is a deceptively easy game to learn but incredibly challenging to master as you progress through your career from owning a terrible zero star cafe into a five star world famous restaurant. Cook, Serve, Delicious! is a indie, time management and typing game developed and published by Vertigo Gaming Inc.. Released on October 08th 2013 has received 5,602 reviews of which 5,295 were positive and 307 were negative resulting in an impressive rating of 9.1 out of 10. Thanks to its incredible 90% discount, this game is now the #2 best deal in games like Oh...Sir! Prototype.
9.1
5,295
307
-90%
10.00€
1.00€
3. Drawful 2
Similarity 81% For 3-8 players and an audience of thousands! Your phones or tablets are your controllers! The game of terrible drawings and hilariously wrong answers. Drawful 2 is a local multiplayer, party and multiplayer game developed and published by Jackbox Games and Inc.. Released on June 20th 2016 has received 3,999 reviews of which 2,966 were positive and 1,033 were negative resulting in a rating of 7.2 out of 10. Thanks to its incredible 90% discount, this game is now the #3 best deal in games like Oh...Sir! Prototype.
7.2
2,966
1,033
-90%
10.00€
1.00€
4. Quiplash
Similarity 81% For 3-8 Players and an Audience of thousands! Your phones or tablets are your controllers! The gut-busting, say-anything, no-rules party game! Quiplash is a casual, multiplayer and comedy game developed and published by Jackbox Games and Inc.. Released on June 30th 2015 has received 2,177 reviews of which 1,954 were positive and 223 were negative resulting in a rating of 8.6 out of 10. Currently offered at a significant 87% discount, this title has earned the #4 position in the best deals for games like Oh...Sir! Prototype.
8.6
1,954
223
-87%
9.92€
1.29€
5. The Jackbox Party Pack
Similarity 81% The team behind YOU DON’T KNOW JACK presents FIVE guffaw-inducing party games in one pack! You’re gonna need more than one party for this. Your phones or tablets are your controllers! For 1-100 players! The Jackbox Party Pack is a casual, trivia and party game developed and published by Jackbox Games and Inc.. Released on November 26th 2014 has received 1,820 reviews of which 1,663 were positive and 157 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 86% discount, this title has earned the #5 position in the best deals for games like Oh...Sir! Prototype.
8.7
1,663
157
-86%
25.00€
3.50€
6. Serious Sam 3: BFE
Similarity 81% Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter! Serious Sam 3: BFE is a fps, action and co-op game developed by Croteam and published by Devolver Digital. Released on November 22nd 2011 has received 27,644 reviews of which 24,428 were positive and 3,216 were negative resulting in a rating of 8.7 out of 10. Currently offered at a significant 85% discount, this title has earned the #6 position in the best deals for games like Oh...Sir! Prototype.
8.7
24,428
3,216
-85%
29.33€
4.40€
7. The Metronomicon: Slay The Dance Floor
Similarity 81% A Rhythm Role-Playing Game! Fight party crashing monsters with the power of music! Level your party and upgrade your gear while dancing to the beat of some groovin' tunes. Grab a friend and combine forces in all game modes in The Metronomicon: Slay the Dance Floor! The Metronomicon: Slay The Dance Floor is a rhythm, music and indie game developed by Puuba and published by Akupara Games. Released on September 29th 2016 has received 394 reviews of which 329 were positive and 65 were negative resulting in a rating of 7.8 out of 10. Currently offered at a significant 85% discount, this title has earned the #7 position in the best deals for games like Oh...Sir! Prototype.
7.8
329
65
-85%
19.20€
2.88€
8. Overcooked! 2
Similarity 81% Overcooked returns with a brand-new helping of chaotic cooking action! Journey back to the Onion Kingdom and assemble your team of chefs in classic couch co-op or online play for up to four players. Hold onto your aprons… it’s time to save the world again! Overcooked! 2 is a multiplayer, online co-op and local co-op game developed by Ghost Town Games Ltd. and Team17 and published by Team17. Released on August 07th 2018 has received 71,697 reviews of which 64,976 were positive and 6,721 were negative resulting in a rating of 8.9 out of 10. Currently offered at a significant 83% discount, this title has earned the #8 position in the best deals for games like Oh...Sir! Prototype.
8.9
64,976
6,721
-83%
23.18€
3.94€
9. Monster Prom
Similarity 81% You have 3 weeks to get a date for Monster Prom! Go through absurd and funny situations, raise your stats and seduce one of your classmates. Beautiful art, bold, unapologetic dialogue and hard choices make up this Multiplayer (1-4 players) Dating Sim. Be your worst self. Monster Prom is a dating sim, comedy and lgbtq+ game developed by Beautiful Glitch and published by Those Awesome Guys and Xelu. Released on April 27th 2018 has received 13,827 reviews of which 12,895 were positive and 932 were negative resulting in an impressive rating of 9.1 out of 10. Currently offered at a significant 81% discount, this title has earned the #9 position in the best deals for games like Oh...Sir! Prototype.
9.1
12,895
932
-81%
11.79€
2.24€
10. Rocketbirds: Hardboiled Chicken
Similarity 81% Annihilate an evil penguin regime in this cinematic platform adventure game offering full solo and co-op campaigns. Rocketbirds: Hardboiled Chicken is a indie, platformer and action game developed by Ratloop Asia and published by Reverb Publishing. Released on October 15th 2012 has received 3,126 reviews of which 2,483 were positive and 643 were negative resulting in a rating of 7.7 out of 10. Currently offered at a significant 80% discount, this title has earned the #10 position in the best deals for games like Oh...Sir! Prototype.
7.7
2,483
643
-80%
5.00€
1.00€
Free games like Oh...Sir! Prototype on Steam
Check out this fantastic list of free-to-play games like Oh...Sir! Prototype you can enjoy on Steam right now, updated on April 19th 2025. Looking for even more free titles? Use the search filters to explore a wider range of free to play games like Oh...Sir! Prototype.
1. Brawlhalla
Similarity 81% An epic platform fighter for up to 8 players online or local. Try casual free-for-alls, ranked matches, or invite friends to a private room. And it's free! Play cross-platform with millions of players on PlayStation, Xbox, Nintendo Switch, iOS, Android & Steam! Frequent updates. Over sixty Legends. Brawlhalla is a free to play, multiplayer and fighting game developed by Blue Mammoth Games and published by Ubisoft. Released on October 17th 2017 has received 383,786 reviews of which 313,249 were positive and 70,537 were negative resulting in a rating of 8.1 out of 10. With 13,251 active players enjoying it for free, this strategy game has reached the #1 spot among the top free games like Oh...Sir! Prototype.
8.1
313,249
70,537
13,251
players
2. Pixel Puzzles Ultimate Jigsaw Puzzles
Similarity 81% The Number 1 Jigsaw Puzzle Game. Pixel Puzzles Ultimate Jigsaw Puzzles is a puzzle, board game and tabletop game developed and published by Pixel Puzzles. Released on August 29th 2022 has received 2,664 reviews of which 2,007 were positive and 657 were negative resulting in a rating of 7.3 out of 10. Thanks to its free to play tag and a daily player base of 108, this game has secured the #2 spot in the ranking of free games like Oh...Sir! Prototype.
7.3
2,007
657
108
players
3. Awesomenauts - the 2D moba
Similarity 86% Use your power, show your might! Play this Multiplayer Online Battle Arena (MOBA) game for FREE now! AWESOMENAUTS combines 2D platforming with team-based strategy and hero based action. Whether you are a new recruit or an intergalactic legend, play AWESOMENAUTS! Awesomenauts - the 2D moba is a moba, multiplayer and 2d game developed by Ronimo Games and published by Atari. Released on August 01st 2012 has received 26,717 reviews of which 22,608 were positive and 4,109 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #3 spot among the most played free games like Oh...Sir! Prototype.
8.3
22,608
4,109
97
players
4. Idol Showdown
Similarity 81% Made by hololive fans, for hololive fans. Idol Showdown is the definitive fan-made hololive fighting game experience, powered by rollback netcode. Engage in exciting duels as your favorite hololive talent and prove once and for all who the strongest idol is using the game’s easy-to-learn controls. Idol Showdown is a 2d fighter, anime and pvp game developed by Besto Game Team and published by holo Indie. Released on May 05th 2023 has received 5,591 reviews of which 5,246 were positive and 345 were negative resulting in an impressive rating of 9.1 out of 10. The game currently holds the #4 spot among the most played free games like Oh...Sir! Prototype.
9.1
5,246
345
41
players
5. Pool Nation FX Lite
Similarity 81% Pool Nation FX, is a seriously fun Pool & Snooker Sim! A visually stunning billiards simulation with the critically acclaimed POOL NATION physics engine. Play 8 Ball, 9 Ball, Snooker, Killer & more, unlimited Career modes with customised difficulty levels, Trickshots, Local and Online Multiplayer, spectate live matches and feel... Pool Nation FX Lite is a free to play, sports and pool game developed and published by Cherry Pop Games. Released on December 07th 2015 has received 2,400 reviews of which 1,739 were positive and 661 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #5 spot among the most played free games like Oh...Sir! Prototype.
7.0
1,739
661
35
players
6. PICO PARK:Classic Edition
Similarity 81% PICO PARK:Classic Edition is a cooperative local multiplay action puzzle game for 2-10 players. PICO PARK:Classic Edition is a multiplayer, local co-op and free to play game developed and published by TECOPARK. Released on April 27th 2016 has received 1,503 reviews of which 1,086 were positive and 417 were negative resulting in a rating of 7.0 out of 10. The game currently holds the #6 spot among the most played free games like Oh...Sir! Prototype.
7.0
1,086
417
26
players
7. Magic Rampage
Similarity 81% Exciting platformer that combines the RPG genre with fast-paced action gameplay. Magic Rampage is a indie, platformer and action rpg game developed by Asantee Games and published by DK Game Dev LTDA. Released on May 24th 2022 has received 1,412 reviews of which 1,335 were positive and 77 were negative resulting in a rating of 9.0 out of 10. The game currently holds the #7 spot among the most played free games like Oh...Sir! Prototype.
9.0
1,335
77
24
players
8. Zaccaria Pinball
Similarity 81% Play free and try tables in trial mode with Zaccaria Pinball, featuring 140+ tables, including 40+ officially licensed from Zaccaria was founded by three brothers: Marino, Franco, & Natale. Zaccaria was the world’s 3rd largest pinball manufacturer, next to Bally & Williams. Relive the golden age. Zaccaria Pinball is a free to play, simulation and casual game developed and published by Magic Pixel Kft.. Released on June 16th 2016 has received 1,618 reviews of which 1,319 were positive and 299 were negative resulting in a rating of 7.8 out of 10. The game currently holds the #8 spot among the most played free games like Oh...Sir! Prototype.
7.8
1,319
299
21
players
9. The Expendabros
Similarity 99% The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe. The Expendabros is a free to play, action and pixel graphics game developed by Free Lives and published by Devolver Digital. Released on August 05th 2014 has received 18,168 reviews of which 17,657 were positive and 511 were negative resulting in an impressive rating of 9.5 out of 10. The game currently holds the #9 spot among the most played free games like Oh...Sir! Prototype.
9.5
17,657
511
15
players
10. DYO
Similarity 81% DYO is a mind-bending cooperative platformer for one or two players where you can hop between two halves of a split screen. DYO is a indie, local co-op and free to play game developed by Team DYO and Josia Roncancio and published by Team DYO. Released on February 13th 2018 has received 1,581 reviews of which 1,531 were positive and 50 were negative resulting in an impressive rating of 9.2 out of 10. The game currently holds the #10 spot among the most played free games like Oh...Sir! Prototype.
9.2
1,531
50
12
players