Free Co-op Campaign Games on Steam
Steam currently has 644 Co-op Campaign games available to download and play. Explore our list of the best free games ranked by popularity and ratings. Data for this list is calculated from reviews and player counts reported directly by Steam and will be updated in real-time. Free Co-op Campaign game rankings were last updated on 1/17/2025.
Looking for more? Explore other lists such as:
- Best co-op campaign games on Steam
- Best co-op campaign Steam Deck games
- Best co-op campaign Steam games for Mac OS
- Best co-op campaign Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Dungeon Defenders II
Dungeon Defenders II is a cooperative Action Tower Defense game packed with roleplaying elements like loot, leveling, and pets.
Dungeon Defenders II holds the #1 spot for "best free Co-op Campaign game on Steam" with a Player Score of 76. Its score was calculated by analyzing a total of 21,639 reviews on Steam. This breaks down to a total of 16,772 positive reviews and 4,867 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Dungeon Defenders II on the Steam Deck.
| Release Date | 6/20/2017 |
| Franchise | Chromatic Games |
| Developer | Chromatic Games |
| Publisher | Chromatic Games |
| Steam App Id | 236110 |
2. Armored Warfare
Wage war against players around the world with an unstoppable arsenal of powerful armored combat vehicles. Use 300+ vehicles to engage in furious PvP tank combat, complete co-op missions, and crush your enemies on breathtaking maps, from scorching deserts to neon-drenched urban jungles.
Armored Warfare has achieved a Player Score of 65, placing it in the #2 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 4,752 reviews on Steam. This breaks down to a total of 3,140 positive reviews and 1,612 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Armored Warfare on the Steam Deck (though some functionality may be limited).
| Release Date | 11/17/2017 |
| Franchise | Wishlist Games |
| Developers | |
| Publisher | Wishlist Games |
| Steam App Id | 443110 |
3. Infinity Kingdom
Conquer the city, discover the Infinity! Infinity Kingdom is a cartoon-style mmo strategy game. As a resourceful lord, you must defend the land of Norheim against the evil gnomes while protecting yourself from other invading players!
Infinity Kingdom has achieved a Player Score of 67, placing it in the #3 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 614 reviews on Steam. This breaks down to a total of 429 positive reviews and 185 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Mac systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 7/2/2021 |
| Developer | YOUZU (SINGAPORE) PTE. LTD. |
| Publisher | YOUZU (SINGAPORE) PTE. LTD. |
| Steam App Id | 1573360 |
4. Crime Simulator: Prologue
Crime Simulator is a co-op game you can become a criminal. Start as a lowlife and slowly work your way up by completing jobs, stealing and more. Take over enemy hideouts, build your own weed farm. Do everything with friends, or alone. Go in guns blazing or be quiet and stealthy. It's all up to you.
Crime Simulator: Prologue has achieved a Player Score of 72, placing it in the #4 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 1,152 reviews on Steam. This breaks down to a total of 860 positive reviews and 292 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 5/10/2024 |
| Franchise | CookieDev |
| Developer | CookieDev |
| Publisher | Ultimate Games SA |
| Steam App Id | 2928280 |
5. Project Entropy
Welcome, commander, to Project Entropy- an ultimate Sci-Fi and role-playing game with battles in space. In this immersive MMO experience, you will command alien civilizations, conquer uncharted planets, and build Hero fleets.
Project Entropy has achieved a Player Score of 56, placing it in the #5 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 64 reviews on Steam. This breaks down to a total of 37 positive reviews and 27 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 4/17/2024 |
| Developer | FunPlus International AG |
| Publisher | FunPlus International AG |
| Steam App Id | 2806410 |
6. We Were Here
Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time?
We Were Here has achieved a Player Score of 89, placing it in the #6 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 28,976 reviews on Steam. This breaks down to a total of 26,182 positive reviews and 2,794 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is not possible to play or run We Were Here on the Steam Deck.
| Release Date | 2/3/2017 |
| Franchise | Total Mayhem Games |
| Developer | Total Mayhem Games |
| Publisher | Total Mayhem Games |
| Steam App Id | 582500 |
7. Pixel Puzzles Ultimate Jigsaw
The Number 1 Jigsaw Puzzle Game.
Pixel Puzzles Ultimate Jigsaw has achieved a Player Score of 73, placing it in the #7 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 2,654 reviews on Steam. This breaks down to a total of 1,997 positive reviews and 657 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Pixel Puzzles Ultimate Jigsaw on the Steam Deck (though some functionality may be limited).
| Release Date | 9/9/2016 |
| Developer | Pixel Puzzles |
| Publisher | Pixel Puzzles |
| Steam App Id | 351030 |
8. Operation: Tango - Friend Pass
Download the Friend Pass and play for free with a friend who owns the full Operation: Tango game. It takes two to save the world, but it only takes one to pay for it.
Operation: Tango - Friend Pass has achieved a Player Score of 82, placing it in the #8 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 2,015 reviews on Steam. This breaks down to a total of 1,733 positive reviews and 282 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Operation: Tango - Friend Pass on the Steam Deck.
| Release Date | 8/28/2020 |
| Developer | Clever Plays |
| Publisher | Clever Plays |
| Steam App Id | 1377150 |
9. Unsolved Case
A new lead turns up old doubts about an 'Unsolved Case'. A trap, or a copycat killer? In this co-op puzzle game prequel to the award-winning Cryptic Killer series, put on your detective badges as you collaborate and communicate to crack the codes, solve the riddles, and catch the Cryptic Killer.
Unsolved Case has achieved a Player Score of 86, placing it in the #9 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 5,087 reviews on Steam. This breaks down to a total of 4,517 positive reviews and 570 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 11/24/2022 |
| Franchise | Eleven Puzzles |
| Developer | Eleven Puzzles |
| Publisher | Eleven Puzzles |
| Steam App Id | 2084050 |
10. A.V.A Global
A.V.A is a classic FPS shooter game featuring various types game Modes. Depending on the battlefield, you can choose Pointman, Rifleman, and Sniper and enjoy strategic team play.
A.V.A Global has achieved a Player Score of 47, placing it in the #10 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 7,514 reviews on Steam. This breaks down to a total of 3,541 positive reviews and 3,973 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play A.V.A Global on the Steam Deck (though some functionality may be limited).
More Free Co-op Campaign Games
Explore even more rankings for the 68 best free Co-op Campaign games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 250 | 6/20/2017 | 76 | Free | Steam Charts | |
| 167 | 11/17/2017 | 65 | Free | Steam Charts | |
| 156 | 7/2/2021 | 67 | Free | Steam Charts | |
| 131 | 5/10/2024 | 72 | Free | Steam Charts | |
| 114 | 4/17/2024 | 56 | Free | Steam Charts | |
| 90 | 2/3/2017 | 89 | Free | Steam Charts | |
| 66 | 9/9/2016 | 73 | Free | Steam Charts | |
| 64 | 8/28/2020 | 82 | Free | Steam Charts | |
| 64 | 11/24/2022 | 86 | Free | Steam Charts | |
| 50 | 8/24/2022 | 47 | Free | Steam Charts | |
 | 40 | 9/30/2022 | 83 | Free | Steam Charts | |
 | 17 | 8/7/2023 | 90 | Free | Steam Charts | |
 | 14 | 8/6/2021 | 83 | Free | Steam Charts | |
 | 9 | 1/18/2024 | 85 | Free | Steam Charts | |
 | 9 | 6/12/2020 | 84 | Free | Steam Charts | |
 | 7 | 12/10/2021 | 73 | Free | Steam Charts | |
 | 5 | 2/2/2022 | 85 | Free | Steam Charts | |
 | 4 | 8/18/2015 | 90 | Free | Steam Charts | |
 | 4 | 4/19/2024 | 63 | Free | Steam Charts | |
 | 4 | 7/26/2024 | 63 | Free | Steam Charts |
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Player counts and rankings are enriched, analyzed, and updated in real-time to ensure we surface the most up-to-date insights. Learn more about the Steambase approach to data collection and our review methodology.
- Valve Corporation. (2025, January 17). Steam Store. Steam Store.
- Valve Corporation. (2025, January 17). Dungeon Defenders II on Steam. Steam Store.
- Valve Corporation. (2025, January 14). Armored Warfare on Steam. Steam Store.
- Valve Corporation. (2025, January 13). Infinity Kingdom on Steam. Steam Store.
- Valve Corporation. (2025, January 10). Crime Simulator: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, January 14). Project Entropy on Steam. Steam Store.
- Valve Corporation. (2025, January 17). We Were Here on Steam. Steam Store.
- Valve Corporation. (2025, January 16). Pixel Puzzles Ultimate Jigsaw on Steam. Steam Store.
- Valve Corporation. (2025, January 18). Operation: Tango - Friend Pass on Steam. Steam Store.
- Valve Corporation. (2024, December 11). Unsolved Case on Steam. Steam Store.
- Valve Corporation. (2025, January 7). A.V.A Global on Steam. Steam Store.