Free Boss Rush Games on Steam
Steam currently has 123 Boss Rush 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 Boss Rush game rankings were last updated on 10/18/2025.
Looking for more? Explore other lists such as:
- Best boss rush games on Steam
- Best boss rush Steam Deck games
- Best boss rush Steam games for Mac OS
- Best boss rush Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. 巫兎 - KANNAGI USAGI -
Sword fight action dedicated to boss battles. Win the battle by dominating sword to sword clashes.
巫兎 - KANNAGI USAGI - holds the #1 spot for "best free Boss Rush game on Steam" with a Player Score of 95. Its score was calculated by analyzing a total of 6,779 reviews on Steam. This breaks down to a total of 6,648 positive reviews and 131 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run 巫兎 - KANNAGI USAGI - on the Steam Deck.
2. Critter Gang
Squeak! Chitter! Chatter! You’ll send these mafia members to heaven on a silver platter! You play as a red squirrel trained in the martial arts of crankin’ out kunais and shwingin’ shurikens! You’ll teach three very important lessons to three unlearned delinquents!
Critter Gang has achieved a Player Score of 84, placing it in the #2 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 45 reviews on Steam. This breaks down to a total of 45 positive reviews and 0 negative reviews — making it "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.
| Release Date | 12/5/2024 |
| Developer | Below Zero Productions |
| Publisher | Below Zero Productions |
| Steam App Id | 3324230 |
3. Out of Three
Out of Three is a local multiplayer Boss Rush game that can be played with 3 players. The goal: defeat the Boss Gorgone by cooperating with your team members. You and your 2 faithful comrades find yourselves in an unknown dungeon, face to face with a giant medusa. Your fate seems inevitable!
Out of Three has achieved a Player Score of 67, placing it in the #3 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 11 reviews on Steam. This breaks down to a total of 9 positive reviews and 2 negative reviews — making it "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 | 1/3/2023 |
| Franchise | IIM Digital School |
| Developer | Resurgence Studio |
| Publishers | |
| Steam App Id | 2226030 |
4. Anarchy Park
Welcome to Anarchy Park! An Isometric Boss Rush Bullet Hell set in a wacky amusement park! Featuring a 3D environment that will challenge your ability to aim, shoot and dodge simultaneously!
Anarchy Park has achieved a Player Score of 60, placing it in the #4 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 21 reviews on Steam. This breaks down to a total of 14 positive reviews and 7 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Anarchy Park on the Steam Deck (though some functionality may be limited).
| Release Date | 12/1/2023 |
| Developers | |
| Publisher | Danger Games |
| Steam App Id | 2529220 |
5. PASKA BATTLE STYLE!
The time has finally come! All the most dangerous people in the world have reunited to show off their talents in the annual Paska Battle Style anniversary and you, yes, YOU, will have to shut their big egos off!
PASKA BATTLE STYLE! has achieved a Player Score of 52, placing it in the #5 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 11 reviews on Steam. This breaks down to a total of 6 positive reviews and 5 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 | 12/17/2018 |
| Developers | |
| Publishers | |
| Steam App Id | 979760 |
6. Rise of the Penguins GB
A retro penguin platformer designed for Gameboy. Perfect for fans of penguins and anyone looking for a moderate challenge in a cold setting!
Rise of the Penguins GB has achieved a Player Score of 69, placing it in the #6 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 13 reviews on Steam. This breaks down to a total of 11 positive reviews and 2 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
7. CALAMITY CREATURES
CALAMITY CREATURES is a 2D action game in boss rush format. Mechanical creatures of overwhelming stature stand before you. Gadgets in the prosthetic hands, the terrain, and the enemies' habits...use all the elements to dismantle the living calamity.
CALAMITY CREATURES has achieved a Player Score of 76, placing it in the #7 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 60 reviews on Steam. This breaks down to a total of 52 positive reviews and 8 negative reviews — making it "Very 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.
8. Just Squat
Just Squat is a shmup and visual Nobel game that focuses on boss fight by growing up a boy. Grow the boy by encountering various events at the gym and school, and push Babel out with all your might! The difficulty of boss fight and the boy's growth will be determined by the exercise you choose!
Just Squat has achieved a Player Score of 65, placing it in the #8 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 6 reviews on Steam. This breaks down to a total of 5 positive reviews and 1 negative reviews — making it "6 user reviews" 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.
9. A Whole Wolfrush
Four friends battle their way across space to claim a once-in-a-lifetime wish. Their lives are in your hands.
A Whole Wolfrush has achieved a Player Score of 87, placing it in the #9 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 163 reviews on Steam. This breaks down to a total of 158 positive reviews and 5 negative reviews — making it "Very 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.
10. Sifu's Quest:First battle
Be a young sword man to explore and save the world. A turn-based WuXia RPG game with strategic combat system.
Sifu's Quest:First battle has achieved a Player Score of 78, placing it in the #10 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 122 reviews on Steam. This breaks down to a total of 105 positive reviews and 17 negative reviews — making it "Very 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.
More Free Boss Rush Games
Explore even more rankings for the 22 best free Boss Rush games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 3 | 11/3/2023 | 95 | Free | Steam Charts | |
| 1 | 12/5/2024 | 84 | Free | Steam Charts | |
| 1 | 1/3/2023 | 67 | Free | Steam Charts | |
| 1 | 12/1/2023 | 60 | Free | Steam Charts | |
| 1 | 12/17/2018 | 52 | Free | Steam Charts | |
| 1 | 1/20/2025 | 69 | Free | Steam Charts | |
| 1 | 7/15/2023 | 76 | Free | Steam Charts | |
| 1 | 12/15/2024 | 65 | Free | Steam Charts | |
| 1 | 1/31/2025 | 87 | Free | Steam Charts | |
| 1 | 3/9/2024 | 78 | Free | Steam Charts | |
 | 1 | 6/26/2023 | 75 | Free | Steam Charts | |
 | 1 | 2/6/2025 | 83 | Free | Steam Charts | |
 | 1 | 4/30/2025 | 76 | Free | Steam Charts | |
 | 1 | 1/11/2025 | 50 | Free | Steam Charts | |
 | 1 | 3/5/2025 | 71 | Free | Steam Charts | |
 | 1 | 4/29/2022 | 87 | Free | Steam Charts | |
 | 1 | 11/30/2017 | 73 | Free | Steam Charts | |
 | 1 | 8/13/2022 | 83 | Free | Steam Charts | |
 | 1 | 7/27/2022 | 62 | Free | Steam Charts | |
 | 1 | 1/24/2022 | 80 | 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, October 18). Steam Store. Steam Store.
- Valve Corporation. (2025, October 18). 巫兎 - KANNAGI USAGI - on Steam. Steam Store.
- Valve Corporation. (2025, October 8). Critter Gang on Steam. Steam Store.
- Valve Corporation. (2025, October 25). Out of Three on Steam. Steam Store.
- Valve Corporation. (2025, October 15). Anarchy Park on Steam. Steam Store.
- Valve Corporation. (2025, November 8). PASKA BATTLE STYLE! on Steam. Steam Store.
- Valve Corporation. (2025, November 24). Rise of the Penguins GB on Steam. Steam Store.
- Valve Corporation. (2025, September 28). CALAMITY CREATURES on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Just Squat on Steam. Steam Store.
- Valve Corporation. (2025, October 21). A Whole Wolfrush on Steam. Steam Store.
- Valve Corporation. (2024, May 27). Sifu's Quest:First battle on Steam. Steam Store.