Stardew Valley is the best co-op game on PC on our list, with 98% positive Steam user reviews from 396,524 English-language reviews. Factorio also has 98%, and the list runs down to Valheim at 94%, all of them playable with friends online.
94% positive from 267,417 English-language reviews
A large group exploring and building in a Viking world
Pick by what you want
Best overall
Stardew Valley
Best for building
Factorio
Cheapest
Don't Starve Together
Biggest crew
Barotrauma
Best for couch play
Divinity: Original Sin 2
The ranking
1
Stardew Valley
Answrs VerdictTied at 98% with Factorio, but with far more reviews.
Steam user reviews: 98% positive from 396,524 English-language reviewsPrice: $14.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op, LAN Co-op, Shared/Split Screen Co-op (Steam)Players: Up to 8 players (invite 1-7 players to your farm)Developer: ConcernedApe
Stardew Valley is 98% positive from 396,524 English-language Steam reviews. It lists Online, LAN and Shared/Split Screen Co-op, and its page says you can invite 1-7 players to join you. It is $14.99.
Go ifA relaxing shared farm that fits both online and couch play
Skip ifYou want fast action or competition
Why #1 over #2: Its 98% matches Factorio's, with 396,524 reviews to 118,700.
2
Factorio
Answrs VerdictSame 98% as Stardew Valley from fewer reviews.
Steam user reviews: 98% positive from 118,700 English-language reviewsPrice: $35.00 (US Steam price, checked October 2026)Co-op modes: Online Co-op, LAN Co-op (Steam)Developer: Wube Software LTD.
Factorio is 98% positive from 118,700 English-language Steam reviews. It lists Online Co-op and LAN Co-op and costs $35.00.
Go ifFriends who enjoy building and tuning a huge factory together
Skip ifYou want a quick, casual session
Why #2 over #3: Its 98% is above Terraria's 97%.
3
Terraria
Answrs VerdictThe most reviews on the list, 605,097.
Steam user reviews: 97% positive from 605,097 English-language reviewsPrice: $9.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Developer: Re-Logic
Terraria is 97% positive from 605,097 English-language Steam reviews, the most of any game here. It lists Online Co-op and costs $9.99.
Go ifDigging, building and boss fights with a group
Skip ifYou want a guided story
Why #3 over #4: At the same 97% it has more reviews (605,097) than Lethal Company (276,817).
4
Lethal Company
Answrs VerdictAt 97% it has more reviews than Satisfactory.
Steam user reviews: 97% positive from 276,817 English-language reviewsPrice: $9.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Players: Playable with up to 4 players (Steam page note)Developer: Zeekerss
Lethal Company is 97% positive from 276,817 English-language Steam reviews. Its page describes it as a co-op horror about scavenging abandoned moons, and says it is playable with up to 4 players. It is $9.99.
Go ifA short, tense scavenging run with a small crew
Skip ifYou dislike horror
Why #4 over #5: At the same 97% it has more reviews (276,817) than Satisfactory (138,599).
5
Satisfactory
Answrs VerdictTies 97% but has the fewest reviews of the three.
Steam user reviews: 97% positive from 138,599 English-language reviewsPrice: $39.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Developer: Coffee Stain Studios
Satisfactory is 97% positive from 138,599 English-language Steam reviews. It lists Online Co-op and costs $39.99.
Go ifBuilding big first-person factories together
Skip ifYou want a fast-paced game
Why #5 over #6: Its 97% is above Divinity: Original Sin 2's 95%.
6
Divinity: Original Sin 2
Answrs VerdictTied at 95% with more reviews than Don't Starve Together.
Steam user reviews: 95% positive from 83,914 English-language reviewsPrice: $44.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op, Shared/Split Screen Co-op (Steam)Players: Up to 4 players (drop-in/drop-out)Developer: Larian Studios
Divinity: Original Sin 2 is 95% positive from 83,914 English-language Steam reviews. It lists Online and Shared/Split Screen Co-op for up to 4 players and costs $44.99.
Go ifA long role-playing story played as a party
Skip ifYou want a short game
Why #6 over #7: At the same 95% it has more reviews (83,914) than Don't Starve Together (82,445).
7
Don't Starve Together
Answrs VerdictThe cheapest game on the list, at $5.09.
Steam user reviews: 95% positive from 82,445 English-language reviewsPrice: $5.09 (US Steam price, checked October 2026)Co-op modes: Online Co-op, LAN Co-op (Steam)Developer: Klei Entertainment
Don't Starve Together is 95% positive from 82,445 English-language Steam reviews. It lists Online and LAN Co-op. It was $5.09 when checked, the lowest price here.
Go ifA cheap way to survive in the wild with friends
Skip ifYou dislike losing progress when you die
Why #7 over #8: At the same 95% it has more reviews (82,445) than Barotrauma (28,961).
8
Barotrauma
Answrs VerdictThe largest player count here, 16.
Steam user reviews: 95% positive from 28,961 English-language reviewsPrice: $17.49 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Players: Up to 16 players on board a submarineDeveloper: FakeFish, Undertow Games
Barotrauma is 95% positive from 28,961 English-language Steam reviews. Its page says you can play with up to 16 players on board a submarine. It was $17.49 when checked.
Go ifThe biggest crew, working a submarine together
Skip ifYou play with only one or two friends
Why #8 over #9: Its 95% is above Phasmophobia's 94%.
9
Phasmophobia
Answrs VerdictTies 94% with Valheim but has more reviews.
Steam user reviews: 94% positive from 360,674 English-language reviewsPrice: $13.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Players: 4 playersDeveloper: Kinetic Games
Phasmophobia is 94% positive from 360,674 English-language Steam reviews. Steam describes it as a 4 player online co-op psychological horror game. It was $13.99 when checked.
Go ifA scary ghost-hunting night with three friends
Skip ifYou do not like horror
Why #9 over #10: At the same 94% it has more reviews (360,674) than Valheim (267,417).
10
Valheim
Answrs VerdictStill 94% positive, with room for 10 players.
Steam user reviews: 94% positive from 267,417 English-language reviewsPrice: $29.99 (US Steam price, checked October 2026)Co-op modes: Online Co-op (Steam)Players: 1-10 playersDeveloper: Iron Gate AB
Valheim is 94% positive from 267,417 English-language Steam reviews. Its page describes a collaborative exploration and survival game for 1-10 players. It is $29.99.
Go ifA large group exploring and building in a Viking world
Skip ifYou want a short, scripted game
How we ranked these
We picked ten PC co-op games across genres (farming, factory building, survival, role-playing and horror) and ranked them by the share of positive English-language Steam user reviews shown on each game's Steam store page; a tie (Stardew Valley and Factorio at 98%; Terraria, Lethal Company and Satisfactory at 97%; Divinity: Original Sin 2, Don't Starve Together and Barotrauma at 95%; Phasmophobia and Valheim at 94%) goes to the game with more reviews. Co-op modes and player counts come from each Steam page, and a player count is shown only where the page states one. Prices are US Steam prices checked in October 2026 and change during sales. Steam review shares move over time. For shooter-focused lists see answrsnow.com/games/best-online-co-op-shooters-2027/ and for console see answrsnow.com/games/best-co-op-games-on-xbox-series-x-s-2027/. Facts are taken from each maker's own published information; check the official site before you buy.
Questions people ask
What is the best co-op game on PC?
By Steam user reviews, Stardew Valley leads our list with 98% positive from 396,524 English-language reviews. Factorio also has 98% but fewer reviews.
Which co-op game here supports the most players?
Barotrauma, with up to 16 players on board a submarine according to its Steam page. Valheim is next at 1-10 players.
What is the cheapest co-op game on this list?
Don't Starve Together, at $5.09 on the US Steam store when checked in October 2026. Steam prices change during sales.
Which of these can I play on one screen with a friend?
Stardew Valley and Divinity: Original Sin 2 list Shared/Split Screen Co-op on Steam. The rest on this list are online (and some LAN) co-op.
Positive Steam user reviews at a glance
Phasmophobia94 %
Valheim94 %
Divinity: Original Sin 295 %
Don't Starve Together95 %
Barotrauma95 %
Terraria97 %
Lethal Company97 %
Satisfactory97 %
Stardew Valley98 %
Factorio98 %
Positive Steam user reviews, as published by each maker. Picks without a published figure are left off.
