Free Boss Rush Games on Steam
Steam currently has 138 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 2/6/2026.
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 6,979 reviews on Steam. This breaks down to a total of 6,845 positive reviews and 134 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. 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 68, placing it in the #2 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 12 reviews on Steam. This breaks down to a total of 10 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 |
3. 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 61, placing it in the #3 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 22 reviews on Steam. This breaks down to a total of 15 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 |
4. Eclipse Breaker: Boss Rush
Face a gauntlet of relentless bosses in this free minigame from action roguelite, Eclipse Breaker. Test your skill in 15–20 minute sessions built for fast-paced but strategic runs, before jumping into the complete adventure later this year.
Eclipse Breaker: Boss Rush has achieved a Player Score of 69, placing it in the #4 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 4 reviews on Steam. This breaks down to a total of 4 positive reviews and 0 negative reviews — making it "4 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.
| Release Date | 9/26/2025 |
| Developer | Lunar Workshop |
| Publisher | Lunar Workshop |
| Steam App Id | 4001580 |
5. 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 64, placing it in the #5 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 9 reviews on Steam. This breaks down to a total of 7 positive reviews and 2 negative reviews — making it "9 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.
6. Hygrim
RPG meets minigames! Defeat monsters by playing minigames and level up to get stronger!
Hygrim has achieved a Player Score of 83, placing it in the #6 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 46 reviews on Steam. This breaks down to a total of 45 positive reviews and 1 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 | 2/10/2026 |
| Developer | Vision Interactive |
| Publisher | Vision Interactive |
| Steam App Id | 4366880 |
7. Echoes of a Thread
Echoes of a Thread is a free indie RPG inspired by classic 2D fantasy… with a quiet meta layer that slowly reveals itself. You’ll explore a broken world, face difficult boss fights, and collect journal pages that piece together the truth.
Echoes of a Thread has achieved a Player Score of 59, placing it in the #7 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 1 reviews on Steam. This breaks down to a total of 1 positive reviews and 0 negative reviews — making it "1 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.
| Release Date | 3/5/2026 |
| Developer | Alexis Chanyabanchachai |
| Publisher | Alexis Chanyabanchachai |
| Steam App Id | 4414420 |
8. 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 #8 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 121 reviews on Steam. This breaks down to a total of 105 positive reviews and 16 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.
9. Psycho Bathroom
Psycho Bathroom is a boss rush game with a dark comedic storyline about outcasts, hopes and friendships. Your job as a toothbrush is to fight toilet plumes and protect your master. Along the way, you'll upgrade your gear, meet new buddies and learn the absurd world through your master's story.
Psycho Bathroom 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 162 reviews on Steam. This breaks down to a total of 157 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.
| Release Date | 4/29/2022 |
| Franchise | DDmeow Games |
| Developer | DDmeow Games |
| Publisher | DDmeow Games |
| Steam App Id | 1601340 |
10. Aohri's Uprising
Embark on an adventure, driven by vengeance, to hunt down your former god and put an end to his reign to restore balance to the world!
Aohri's Uprising has achieved a Player Score of 76, placing it in the #10 spot for the best free Boss Rush games. Its score was calculated by analyzing a total of 31 reviews on Steam. This breaks down to a total of 28 positive reviews and 3 negative reviews — making it "Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Aohri's Uprising on the Steam Deck.
| Release Date | 6/26/2023 |
| Developers | |
| Publishers | |
| Steam App Id | 2200400 |
More Free Boss Rush Games
Explore even more rankings for the 24 best free Boss Rush games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 10 | 11/3/2023 | 95 | Free | Steam Charts | |
| 1 | 1/3/2023 | 68 | Free | Steam Charts | |
| 1 | 12/1/2023 | 61 | Free | Steam Charts | |
| 1 | 9/26/2025 | 69 | Free | Steam Charts | |
| 1 | 12/15/2024 | 64 | Free | Steam Charts | |
| 1 | 2/10/2026 | 83 | Free | Steam Charts | |
| 1 | 3/5/2026 | 59 | Free | Steam Charts | |
| 1 | 3/9/2024 | 78 | Free | Steam Charts | |
| 1 | 4/29/2022 | 87 | Free | Steam Charts | |
| 1 | 6/26/2023 | 76 | Free | Steam Charts | |
 | 1 | 12/17/2018 | 50 | Free | Steam Charts | |
 | 1 | 7/15/2023 | 75 | Free | Steam Charts | |
 | 1 | 2/6/2025 | 82 | Free | Steam Charts | |
 | 1 | 4/5/2025 | 77 | Free | Steam Charts | |
 | 1 | 11/30/2017 | 73 | Free | Steam Charts | |
 | 1 | 7/27/2022 | 62 | Free | Steam Charts | |
 | 1 | 1/20/2025 | 72 | Free | Steam Charts | |
 | 1 | 3/5/2025 | 72 | Free | Steam Charts | |
 | 1 | 1/31/2025 | 86 | Free | Steam Charts | |
 | 1 | 1/11/2025 | 55 | 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, February 6). Steam Store. Steam Store.
- Valve Corporation. (2026, February 6). 巫兎 - KANNAGI USAGI - on Steam. Steam Store.
- Valve Corporation. (2026, March 14). Out of Three on Steam. Steam Store.
- Valve Corporation. (2025, December 5). Anarchy Park on Steam. Steam Store.
- Valve Corporation. (2025, December 26). Eclipse Breaker: Boss Rush on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Just Squat on Steam. Steam Store.
- Valve Corporation. (2026, March 8). Hygrim on Steam. Steam Store.
- Valve Corporation. (2026, March 5). Echoes of a Thread on Steam. Steam Store.
- Valve Corporation. (2024, May 27). Sifu's Quest:First battle on Steam. Steam Store.
- Valve Corporation. (2026, January 16). Psycho Bathroom on Steam. Steam Store.
- Valve Corporation. (2025, December 30). Aohri's Uprising on Steam. Steam Store.