Free Co-op Campaign Games on Steam
Steam currently has 862 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 1/8/2026.
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. Delta Force
Delta Force, a free-to-play 1st-person tactical shooter, returns as the latest in the classic series. With 25 years defining the genre, Delta Force is back with an upgraded arsenal of weaponry, jaw-dropping environments, and a truly dynamic world.
Delta Force holds the #1 spot for "best free Co-op Campaign game on Steam" with a Player Score of 58. Its score was calculated by analyzing a total of 166,837 reviews on Steam. This breaks down to a total of 97,715 positive reviews and 69,122 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Delta Force on the Steam Deck.
| Release Date | 12/4/2024 |
| Developers | |
| Publisher | TiMi Studio Group |
| Steam App Id | 2507950 |
2. 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 has achieved a Player Score of 76, placing it in the #2 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 21,976 reviews on Steam. This breaks down to a total of 16,974 positive reviews and 5,002 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 |
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 56, placing it in the #3 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 1,003 reviews on Steam. This breaks down to a total of 571 positive reviews and 432 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. 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 88, placing it in the #4 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 31,381 reviews on Steam. This breaks down to a total of 28,188 positive reviews and 3,193 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 possible to play We Were Here on the Steam Deck (though some functionality may be limited).
| Release Date | 2/3/2017 |
| Franchise | Total Mayhem Games |
| Developer | Total Mayhem Games |
| Publisher | Total Mayhem Games |
| Steam App Id | 582500 |
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 54, placing it in the #5 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 196 reviews on Steam. This breaks down to a total of 107 positive reviews and 89 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Project Entropy on the Steam Deck.
| Release Date | 4/17/2024 |
| Developer | FunPlus International AG |
| Publisher | FunPlus International AG |
| Steam App Id | 2806410 |
6. Billie's Wheelie
Billie's Wheelie is an adventure racing platformer game, You can play it with up to 8 players Co-op/PvP, Playing as a hamster in his ball trying to beat all challenges, Collecting all cheese pieces for rewards, And beating your friend's time records.
Billie's Wheelie has achieved a Player Score of 56, placing it in the #6 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 402 reviews on Steam. This breaks down to a total of 230 positive reviews and 172 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.
7. Fantasy Grounds VTT
Virtual tabletop Fantasy Grounds VTT for TTRPG groups, supporting D&D and Pathfinder with customizable rulesets, tokens, maps, and more. Create unforgettable experiences with comprehensive features and vast library of supported game systems. Supports AD&D 2E to 5E and PF RPG.
Fantasy Grounds VTT has achieved a Player Score of 78, placing it in the #7 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 983 reviews on Steam. This breaks down to a total of 804 positive reviews and 179 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Fantasy Grounds VTT on the Steam Deck (though some functionality may be limited).
| Release Date | 11/5/2020 |
| Franchise | Fantasy Grounds by SmiteWorks |
| Developer | SmiteWorks USA, LLC |
| Publisher | SmiteWorks USA, LLC |
| Steam App Id | 1196310 |
8. Pixel Puzzles Ultimate Jigsaw Puzzles
The Number 1 Jigsaw Puzzle Game.
Pixel Puzzles Ultimate Jigsaw Puzzles has achieved a Player Score of 73, placing it in the #8 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 2,751 reviews on Steam. This breaks down to a total of 2,084 positive reviews and 667 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 Puzzles on the Steam Deck (though some functionality may be limited).
| Release Date | 8/29/2022 |
| Developer | Pixel Puzzles |
| Publisher | Pixel Puzzles |
| Steam App Id | 351030 |
9. Armored Warfare
Wage war against players from around the world with an unstoppable arsenal of 300+ powerful armored combat vehicles. Compete in 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 63, placing it in the #9 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 5,184 reviews on Steam. This breaks down to a total of 3,340 positive reviews and 1,844 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 |
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 48, placing it in the #10 spot for the best free Co-op Campaign games. Its score was calculated by analyzing a total of 7,707 reviews on Steam. This breaks down to a total of 3,655 positive reviews and 4,052 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 80 best free Co-op Campaign games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 24,986 | 12/4/2024 | 58 | Free | Steam Charts | |
| 478 | 6/20/2017 | 76 | Free | Steam Charts | |
| 311 | 7/2/2021 | 56 | Free | Steam Charts | |
| 308 | 2/3/2017 | 88 | Free | Steam Charts | |
| 222 | 4/17/2024 | 54 | Free | Steam Charts | |
| 164 | 10/24/2025 | 56 | $4.99 | Steam Charts | |
| 162 | 11/5/2020 | 78 | Free | Steam Charts | |
| 96 | 8/29/2022 | 73 | Free | Steam Charts | |
| 95 | 11/17/2017 | 63 | Free | Steam Charts | |
| 70 | 8/23/2022 | 48 | Free | Steam Charts | |
 | 40 | 8/6/2021 | 83 | Free | Steam Charts | |
 | 37 | 11/24/2022 | 85 | Free | Steam Charts | |
 | 25 | 8/28/2020 | 82 | Free | Steam Charts | |
 | 22 | 9/30/2022 | 82 | Free | Steam Charts | |
 | 21 | 8/7/2023 | 90 | Free | Steam Charts | |
 | 17 | 8/2/2025 | 79 | Free | Steam Charts | |
 | 8 | 9/24/2025 | 60 | Free | Steam Charts | |
 | 6 | 2/12/2023 | 79 | Free | Steam Charts | |
 | 5 | 9/7/2021 | 60 | Free | Steam Charts | |
 | 5 | 10/10/2021 | 86 | 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. (2026, January 8). Steam Store. Steam Store.
- Valve Corporation. (2026, January 8). Delta Force on Steam. Steam Store.
- Valve Corporation. (2026, January 8). Dungeon Defenders II on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Infinity Kingdom on Steam. Steam Store.
- Valve Corporation. (2025, November 28). We Were Here on Steam. Steam Store.
- Valve Corporation. (2025, December 26). Project Entropy on Steam. Steam Store.
- Valve Corporation. (2026, January 8). Billie's Wheelie on Steam. Steam Store.
- Valve Corporation. (2026, January 7). Fantasy Grounds VTT on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Pixel Puzzles Ultimate Jigsaw Puzzles on Steam. Steam Store.
- Valve Corporation. (2025, December 25). Armored Warfare on Steam. Steam Store.
- Valve Corporation. (2025, December 19). A.V.A Global on Steam. Steam Store.