Valve

1–28 of 28 games, sorted by most played now. Players at each game’s latest poll, as of 16:25 UTC; older readings show their time.

Games developed by Valve, sorted by Most played now

#	Game	Players now	24h peak	Released	Tags
1	Counter-Strike 2Valve · Free	1,199,942	1,347,645	21 Aug 2012	FPS, Shooter, Multiplayer
2	Dota 2Valve · Free	1,071,211	1,082,992	9 Jul 2013	Free to Play, MOBA, Multiplayer
3	DeadlockValve	207,901	233,703	Coming soon	MOBA, Third-Person Shooter, Multiplayer
4	Team Fortress 2Valve · Free	96,820	97,313	10 Oct 2007	Free to Play, Hero Shooter, Multiplayer
5	Left 4 Dead 2Valve	36,414	43,605	17 Nov 2009	Zombies, Co-op, FPS
6	Counter-StrikeValve	12,994	13,465	1 Nov 2000	Action, FPS, Multiplayer
7	ArtifactValve · Free	10,956	11,485	28 Nov 2018	Card Battler, Deckbuilding, Card Game
8	Counter-Strike: SourceValve	2,99013:08 UTC	2,990	1 Nov 2004	Shooter, FPS, Action
9	Portal 2Valve	2,50214:14 UTC	2,502	19 Apr 2011	Singleplayer, Platformer, Puzzle
10	Half-Life 2Valve	1,48623 Oct, 22:10 UTC	1,486	16 Nov 2004	FPS, Action, Sci-fi
11	Half-LifeValve	88523 Oct, 22:11 UTC	885	19 Nov 1998	FPS, Classic, 1990's
12	Dota UnderlordsValve · Free	79523 Oct, 22:11 UTC	795	20 Jun 2019	Free to Play, Strategy, Auto Battler
13	Left 4 DeadValve	54923 Oct, 22:11 UTC	549	18 Nov 2008	Zombies, Co-op, Multiplayer
14	Counter-Strike: Condition ZeroValve	53123 Oct, 18:05 UTC	531	1 Mar 2004	Action, FPS, Shooter
15	PortalValve	49223 Oct, 20:54 UTC	492	10 Oct 2007	Puzzle, Puzzle Platformer, First-Person
16	Half-Life: AlyxValve	43623 Oct, 19:56 UTC	436	23 Mar 2020	VR, FPS, Story Rich
17	Day of Defeat: SourceValve	34623 Oct, 18:10 UTC	346	12 Jul 2010	FPS, World War II, Multiplayer
18	Half-Life 2: DeathmatchValve	13012:10 UTC	130	1 Nov 2004	Action, FPS, Multiplayer
19	Day of DefeatValve	8212:10 UTC	82	1 May 2003	FPS, World War II, Multiplayer
20	The LabValve · Free	7823 Oct, 16:24 UTC	—	5 Apr 2016	Free to Play, VR, Singleplayer
21	Team Fortress ClassicValve	3512:10 UTC	35	1 Apr 1999	Action, FPS, Multiplayer
22	Alien SwarmValve · Free	3010:29 UTC	30	19 Jul 2010	Free to Play, Co-op, Action
23	Half-Life Deathmatch: SourceValve	1710:40 UTC	17	1 May 2006	Action, FPS, Multiplayer
24	Aperture Desk JobValve · Free	710:29 UTC	7	1 Mar 2022	Free to Play, Singleplayer, Funny
25	Deathmatch ClassicValve	423 Oct, 17:38 UTC	4	1 Jun 2001	Action, FPS, Classic
26	RicochetValve	323 Oct, 17:38 UTC	3	1 Nov 2000	Action, FPS, Multiplayer
27	SteamVRValve · Free	014:19 UTC	0	—	VR, Software, Simulation
28	Lepton DevelopmentValve · Free	—	—	—	Free to Play

Names come from each game’s Steam store page. Spellings that differ only in capitals, accents or punctuation share a page. About the data