Games like Half-Life: Source on Steam

Filters
Relevance 91%
Price -85% 0.74€
Rating 9.0
Release 01 Jun 2001
Relevance 90%
Price 19.50€
Rating 9.4
Release 06 Mar 2020
Relevance 90%
Price -90% 0.97€
Rating 9.6
Release 16 Nov 2004
Relevance 88%
Price -90% 0.81€
Rating 9.5
Release 19 Nov 1998
Relevance 87%
Price -85% 0.74€
Rating 9.3
Release 01 Nov 1999
Relevance 81%
Price 39.99€
Rating 9.1
Release 03 Dec 2019
Relevance 80%
Price 9.99€
Rating 8.0
Release 01 Apr 2008
Relevance 78%
Price 9.99€
Rating 8.6
Release 22 Oct 2015
Relevance 77%
Price -82% 3.61€
Rating 8.7
Release 16 Mar 2017
Relevance 77%
Price 9.99€
Rating 8.4
Release 12 Dec 2014
Relevance 77%
Price 4.99€
Rating 8.4
Release 15 Jan 2010
Relevance 76%
Price 19.99€
Rating 8.0
Release 15 Sep 2016
Relevance 76%
Price -73% 3.99€
Rating 8.4
Release 04 Aug 2011
Relevance 76%
Price -66% 20.05€
Rating 9.7
Release 23 Mar 2020
Relevance 76%
Price 4.99€
Rating 9.0
Release 03 Aug 2007
Relevance 75%
Price -77% 4.68€
Rating 9.4
Release 12 May 2016
Relevance 75%
Price -90% 2.08€
Rating 9.3
Release 11 Feb 2010
Relevance 75%
Price -87% 1.29€
Rating 8.4
Release 15 Sep 2008
Relevance 74%
Price -67% 1.65€
Rating 7.3
Release 26 Apr 2013
Relevance 74%
Price 9.75€
Rating 7.2
Release 01 May 2006
Relevance 74%
Price 19.99€
Rating 9.0
Release 30 Jun 2010
Relevance 74%
Price 14.99€
Rating 9.1
Release 24 Nov 2009
Relevance 74%
Price 9.75€
Rating 8.8
Release 16 Sep 2009
Relevance 73%
Price 19.99€
Rating 6.8
Release 09 Jun 2011
Relevance 73%
Price -87% 2.60€
Rating 8.2
Release 11 Oct 2016
Relevance 73%
Price 9.99€
Rating 6.4
Release 26 Sep 2013
Relevance 73%
Price 9.99€
Rating 9.2
Release 03 Aug 2007
Relevance 73%
Price -67% 3.32€
Rating 9.4
Release 03 Aug 2007
Relevance 72%
Price 19.99€
Rating 9.2
Release 21 Aug 2007
Relevance 71%
Price -49% 2.54€
Rating 8.4
Release 18 Oct 2012
Relevance 71%
Price 5.89€
Rating 8.6
Release 16 Sep 2009
Relevance 71%
Price 19.99€
Rating 9.4
Release 23 Jan 2017
Relevance 71%
Price 9.75€
Rating 8.7
Release 30 Aug 2019
Relevance 71%
Price -75% 4.99€
Rating 8.6
Release 28 Apr 2010
Relevance 71%
Price 8.99€
Rating 9.1
Release 21 May 2010
Relevance 70%
Price 19.99€
Rating 9.0
Release 17 Dec 2015
Relevance 70%
Price 19.99€
Rating 8.8
Release 04 May 2015
Relevance 70%
Price 9.99€
Rating 8.9
Release 11 Feb 2014
Relevance 70%
Price 29.99€
Rating 8.3
Release 22 Mar 2011
Relevance 70%
Price 2.99€
Rating 6.4
Release 16 Sep 2009
Relevance 70%
Price 5.89€
Rating 7.7
Release 16 Sep 2009
Relevance 70%
Price 19.99€
Rating 7.0
Release 21 Jun 2011
Relevance 70%
Price 9.75€
Rating 9.3
Release 16 Sep 2009
Relevance 70%
Price 19.99€
Rating 6.9
Release 15 Sep 2016
Relevance 70%
Price -75% 1.27€
Rating 9.1
Release 19 Mar 2020
Relevance 70%
Price -89% 2.12€
Rating 8.9
Release 27 Aug 2014
Relevance 70%
Price 14.99€
Rating 8.3
Release 12 Feb 2009
Relevance 70%
Price 14.99€
Rating 9.2
Release 03 Aug 2007