Free Casual Games on Steam
Steam currently has 74,883 Casual 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 Casual game rankings were last updated on 12/8/2025.
Looking for more Casual games? Take a look at the best Casual games on Steam.
1. Bongo Cat
Bongo Cat holds the #1 spot for "best free Casual game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 81,392 reviews on Steam. This breaks down to a total of 79,518 positive reviews and 1,874 negative reviews — making it "Overwhelmingly 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.
2. Banana
Banana has achieved a Player Score of 81, placing it in the #2 spot for the best free Casual games. Its score was calculated by analyzing a total of 94,613 reviews on Steam. This breaks down to a total of 77,612 positive reviews and 17,001 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
3. Overwatch® 2
Overwatch® 2 has achieved a Player Score of 26, placing it in the #3 spot for the best free Casual games. Its score was calculated by analyzing a total of 362,237 reviews on Steam. This breaks down to a total of 93,611 positive reviews and 268,626 negative reviews — making it "Mostly Negative" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Overwatch® 2 on the Steam Deck (though some functionality may be limited).
4. VRChat
VRChat has achieved a Player Score of 75, placing it in the #4 spot for the best free Casual games. Its score was calculated by analyzing a total of 252,142 reviews on Steam. This breaks down to a total of 190,125 positive reviews and 62,017 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. Valve has also verified it as playable on the Steam Deck and will run well.
5. The Sims™ 4
The Sims™ 4 has achieved a Player Score of 86, placing it in the #5 spot for the best free Casual games. Its score was calculated by analyzing a total of 183,931 reviews on Steam. This breaks down to a total of 160,022 positive reviews and 23,909 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play The Sims™ 4 on the Steam Deck (though some functionality may be limited).
6. Fish Idle 2: Underwater Mystery
Fish Idle 2: Underwater Mystery has achieved a Player Score of 64, placing it in the #6 spot for the best free Casual games. Its score was calculated by analyzing a total of 1,351 reviews on Steam. This breaks down to a total of 884 positive reviews and 467 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Fish Idle 2: Underwater Mystery on the Steam Deck (though some functionality may be limited).
7. IdleOn
IdleOn has achieved a Player Score of 80, placing it in the #7 spot for the best free Casual games. Its score was calculated by analyzing a total of 26,647 reviews on Steam. This breaks down to a total of 21,618 positive reviews and 5,029 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play IdleOn on the Steam Deck (though some functionality may be limited).
8. Unturned
Unturned has achieved a Player Score of 90, placing it in the #8 spot for the best free Casual games. Its score was calculated by analyzing a total of 559,707 reviews on Steam. This breaks down to a total of 509,857 positive reviews and 49,850 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 Unturned on the Steam Deck (though some functionality may be limited).
9. Brawlhalla
Brawlhalla has achieved a Player Score of 80, placing it in the #9 spot for the best free Casual games. Its score was calculated by analyzing a total of 396,838 reviews on Steam. This breaks down to a total of 321,320 positive reviews and 75,518 negative reviews — making it "Very Positive" 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.
10. Palia
Palia has achieved a Player Score of 85, placing it in the #10 spot for the best free Casual games. Its score was calculated by analyzing a total of 37,142 reviews on Steam. This breaks down to a total of 32,001 positive reviews and 5,141 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Palia on the Steam Deck (though some functionality may be limited).
More Free Casual Games
Explore even more rankings for the 100 best free Casual games available on Steam.
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, December 8). Steam Store. Steam Store. https://store.steampowered.com
- Valve Corporation. (2025, December 8). Bongo Cat on Steam. Steam Store. https://store.steampowered.com/app/3419430
- Valve Corporation. (2025, December 8). Banana on Steam. Steam Store. https://store.steampowered.com/app/2923300
- Valve Corporation. (2025, December 10). Overwatch® 2 on Steam. Steam Store. https://store.steampowered.com/app/2357570
- Valve Corporation. (2025, December 10). VRChat on Steam. Steam Store. https://store.steampowered.com/app/438100
- Valve Corporation. (2025, December 9). The Sims™ 4 on Steam. Steam Store. https://store.steampowered.com/app/1222670
- Valve Corporation. (2025, December 3). Fish Idle 2: Underwater Mystery on Steam. Steam Store. https://store.steampowered.com/app/3037410
- Valve Corporation. (2025, December 9). IdleOn on Steam. Steam Store. https://store.steampowered.com/app/1476970
- Valve Corporation. (2025, December 4). Unturned on Steam. Steam Store. https://store.steampowered.com/app/304930
- Valve Corporation. (2025, December 9). Brawlhalla on Steam. Steam Store. https://store.steampowered.com/app/291550
- Valve Corporation. (2025, December 9). Palia on Steam. Steam Store. https://store.steampowered.com/app/2707930