Free Underground Games on Steam
Steam currently has 743 Underground 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 Underground game rankings were last updated on 3/15/2025.
Looking for more? Explore other lists such as:
- Best underground games on Steam
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- Free Steam games
- Most played Steam games
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1. Wizardry Variants Daphne
3D Dungeon RPG The portal of despair opens again. The labyrinth calls you to destruction. Revel in the endless dangers, relish the risk, devour the rewards. Savor the risk.
Wizardry Variants Daphne holds the #1 spot for "best free Underground game on Steam" with a Player Score of 54. Its score was calculated by analyzing a total of 675 reviews on Steam. This breaks down to a total of 370 positive reviews and 305 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 | 3/6/2025 |
| Franchise | Wizardry Official |
| Developer | Drecom Co., Ltd. |
| Publisher | Drecom Co., Ltd. |
| Steam App Id | 2379740 |
2. Gumballs & Dungeons
With over 23 million loyal players (and counting), G&D is coming onto Steam - FOR FREE! Make the dungeon incredible again with long-lost Gumballs in this roguelike adventure full of easter eggs!
Gumballs & Dungeons has achieved a Player Score of 88, placing it in the #2 spot for the best free Underground games. Its score was calculated by analyzing a total of 530 reviews on Steam. This breaks down to a total of 501 positive reviews and 29 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 | 3/5/2025 |
| Developer | Qcplay |
| Publisher | UltraPlayers |
| Steam App Id | 3112010 |
3. Underworld Idle
An idle dungeon management game, where high tier units can create low tier units.
Underworld Idle has achieved a Player Score of 69, placing it in the #3 spot for the best free Underground games. Its score was calculated by analyzing a total of 1,133 reviews on Steam. This breaks down to a total of 810 positive reviews and 323 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 Underworld Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 2/2/2023 |
| Developer | Aleksandr Golovkin |
| Publisher | Aleksandr Golovkin |
| Steam App Id | 1540960 |
4. Otherworld Legends 战魂铭人
A "blood-pumping, face-bashing" roguelike brawler. Master heroes of your choice, craft uniquely broken builds, and hack & pummel through a myriad of dungeons in a thrilling rampage.
Otherworld Legends 战魂铭人 has achieved a Player Score of 60, placing it in the #4 spot for the best free Underground games. Its score was calculated by analyzing a total of 1,194 reviews on Steam. This breaks down to a total of 728 positive reviews and 466 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 | 4/28/2022 |
| Developer | ChillyRoom |
| Publisher | ChillyRoom |
| Steam App Id | 1761380 |
5. Cave Crawlers
Cave Crawlers is a 1-10 player rogue lite set deep underground in a system of randomly generated caves. Players use weapons, spells, and talents to defeat the unique bosses and enemies found in each biome.
Cave Crawlers has achieved a Player Score of 90, placing it in the #5 spot for the best free Underground games. Its score was calculated by analyzing a total of 2,751 reviews on Steam. This breaks down to a total of 2,573 positive reviews and 178 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 Cave Crawlers on the Steam Deck (though some functionality may be limited).
| Release Date | 7/10/2023 |
| Developer | Heroic Pyxel LLC |
| Publisher | Heroic Pyxel LLC |
| Steam App Id | 2143030 |
6. 魔能纪元
An IDLE role-playing game
魔能纪元 has achieved a Player Score of 46, placing it in the #6 spot for the best free Underground games. Its score was calculated by analyzing a total of 60 reviews on Steam. This breaks down to a total of 27 positive reviews and 33 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 | 6/14/2022 |
| Developer | Fireball Studio |
| Publisher | Fireball Studio |
| Steam App Id | 1824840 |
7. It's Dark
There has been a containment breach in a secret facility located deep underground. Experiment E.C.H.O has escaped and is running loose. The lab has gone into shutdown mode, and it's dark...
It's Dark has achieved a Player Score of 62, placing it in the #7 spot for the best free Underground games. Its score was calculated by analyzing a total of 70 reviews on Steam. This breaks down to a total of 47 positive reviews and 23 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 | 7/15/2022 |
| Developers | |
| Publisher | Connor Redwine |
| Steam App Id | 1994220 |
8. DeepWeb Simulator: Prologue
DeepWeb Simulator: Prologue and start your dark trade! Start running your own dark world now. Source, process and sell illegal goods. Expand your inventory and take the restricted step of your dark trade empire.
DeepWeb Simulator: Prologue has achieved a Player Score of 68, placing it in the #8 spot for the best free Underground games. Its score was calculated by analyzing a total of 73 reviews on Steam. This breaks down to a total of 55 positive reviews and 18 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 | 5/27/2024 |
| Developer | Bull Games |
| Publisher | Bull Games |
| Steam App Id | 2965290 |
9. Mr. Prepper: Prologue
Mr. Prepper: Prologue is a free standalone version of the game Mr. Prepper, featuring an essential part of the story.
Mr. Prepper: Prologue has achieved a Player Score of 80, placing it in the #9 spot for the best free Underground games. Its score was calculated by analyzing a total of 2,532 reviews on Steam. This breaks down to a total of 2,106 positive reviews and 426 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 | 8/27/2020 |
| Franchise | Rejected Games |
| Developer | Rejected Games |
| Publishers | |
| Steam App Id | 1340530 |
10. Bloodhound: First day in hell
Crush the cult of Astaroth and vanquish her hellspawn, make them squeal and hide where they came from. Enjoy a Fresh Look & Old Fun in this arcade horror FPS game inspired by the legends of the 90s.
Bloodhound: First day in hell has achieved a Player Score of 74, placing it in the #10 spot for the best free Underground games. Its score was calculated by analyzing a total of 389 reviews on Steam. This breaks down to a total of 308 positive reviews and 81 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 Bloodhound: First day in hell on the Steam Deck (though some functionality may be limited).
| Release Date | 3/30/2023 |
| Developer | Kruger & Flint Productions |
| Publisher | Kruger & Flint Productions |
| Steam App Id | 2270130 |
More Free Underground Games
Explore even more rankings for the 93 best free Underground games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,754 | 3/6/2025 | 54 | Free | Steam Charts | |
| 454 | 3/5/2025 | 88 | Free | Steam Charts | |
| 206 | 2/2/2023 | 69 | Free | Steam Charts | |
| 45 | 4/28/2022 | 60 | Free | Steam Charts | |
| 44 | 7/10/2023 | 90 | Free | Steam Charts | |
| 3 | 6/14/2022 | 46 | Free | Steam Charts | |
| 2 | 7/15/2022 | 62 | Free | Steam Charts | |
| 2 | 5/27/2024 | 68 | Free | Steam Charts | |
| 2 | 8/27/2020 | 80 | Free | Steam Charts | |
| 2 | 3/30/2023 | 74 | Free | Steam Charts | |
 | 2 | 12/10/2020 | 65 | Free | Steam Charts | |
 | 2 | 8/2/2023 | 57 | Free | Steam Charts | |
 | 2 | 2/18/2022 | 92 | Free | Steam Charts | |
 | 2 | 2/17/2025 | 77 | Free | Steam Charts | |
 | 2 | 9/29/2021 | 72 | Free | Steam Charts | |
 | 1 | 8/14/2021 | 63 | Free | Steam Charts | |
 | 1 | 10/10/2023 | 74 | Free | Steam Charts | |
 | 1 | 6/1/2023 | 54 | Free | Steam Charts | |
 | 1 | 9/29/2022 | 62 | Free | Steam Charts | |
 | 1 | 12/12/2024 | 67 | 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, March 15). Steam Store. Steam Store.
- Valve Corporation. (2025, March 15). Wizardry Variants Daphne on Steam. Steam Store.
- Valve Corporation. (2025, March 13). Gumballs & Dungeons on Steam. Steam Store.
- Valve Corporation. (2025, February 19). Underworld Idle on Steam. Steam Store.
- Valve Corporation. (2025, March 14). Otherworld Legends 战魂铭人 on Steam. Steam Store.
- Valve Corporation. (2025, March 12). Cave Crawlers on Steam. Steam Store.
- Valve Corporation. (2025, March 11). 魔能纪元 on Steam. Steam Store.
- Valve Corporation. (2025, February 24). It's Dark on Steam. Steam Store.
- Valve Corporation. (2025, March 14). DeepWeb Simulator: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, March 13). Mr. Prepper: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, February 27). Bloodhound: First day in hell on Steam. Steam Store.