Free Underground Games on Steam
Steam currently has 834 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 8/19/2025.
Looking for more? Explore other lists such as:
- Best underground games on Steam
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- Free Steam games
- Most played Steam games
- Best rated Steam games
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 52. Its score was calculated by analyzing a total of 2,294 reviews on Steam. This breaks down to a total of 1,208 positive reviews and 1,086 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Wizardry Variants Daphne on the Steam Deck (though some functionality may be limited).
| Release Date | 3/6/2025 |
| Franchise | Wizardry Official |
| Developer | Drecom Co., Ltd. |
| Publisher | Drecom Co., Ltd. |
| Steam App Id | 2379740 |
2. Vigil
Vigil is a short Narrative Horror Game that takes place in an unsettling underground facility. Your job is to dispose of boxes, however, you’re not alone. A terrifying automaton roams the facility, moving only when you look away or when you blink in real life.
Vigil has achieved a Player Score of 71, placing it in the #2 spot for the best free Underground games. Its score was calculated by analyzing a total of 5 reviews on Steam. This breaks down to a total of 5 positive reviews and 0 negative reviews — making it "5 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 | 8/15/2025 |
| Developer | Singularity Studios |
| Publisher | Singularity Studios |
| Steam App Id | 3817090 |
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 1,209 reviews on Steam. This breaks down to a total of 860 positive reviews and 349 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. Gumballs & Dungeons
Embark on a free, exciting roguelike adventure with Gumballs & Dungeons! Collect and find hundreds of Gumballs, all with their own unique abilities, and create a synergistic team to tackle procedurally generated dungeons, discovering secrets and a trove of easter eggs as you explore!
Gumballs & Dungeons has achieved a Player Score of 90, placing it in the #4 spot for the best free Underground games. Its score was calculated by analyzing a total of 1,155 reviews on Steam. This breaks down to a total of 1,106 positive reviews and 49 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.
| Release Date | 3/4/2025 |
| Franchise | UltraPlayers Studio |
| Developer | Qcplay |
| Publisher | UltraPlayers |
| Steam App Id | 3112010 |
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 89, placing it in the #5 spot for the best free Underground games. Its score was calculated by analyzing a total of 3,086 reviews on Steam. This breaks down to a total of 2,878 positive reviews and 208 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. 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 61, placing it in the #6 spot for the best free Underground games. Its score was calculated by analyzing a total of 1,350 reviews on Steam. This breaks down to a total of 850 positive reviews and 500 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 |
7. Poco
Poco is the story of the world's smallest clown, who is banished from the circus and finds themself in a mysterious undergrowth full of lost and broken things. Explore, meet strange creatures, solve puzzles, and help Poco return to the circus in this charming 2D/3D hybrid point-and-click adventure.
Poco has achieved a Player Score of 95, placing it in the #7 spot for the best free Underground games. Its score was calculated by analyzing a total of 3,532 reviews on Steam. This breaks down to a total of 3,514 positive reviews and 18 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 5/20/2025 |
| Developers | |
| Publisher | Micah Boursier |
| Steam App Id | 3454610 |
8. The DeadLine
The last subway departs in a world overrun by zombies. At each station, gather materials, find better weapons, and fight off the undead. As you get closer to your family, the danger grows. Survive, upgrade, and make it to the final stop.
The DeadLine has achieved a Player Score of 87, placing it in the #8 spot for the best free Underground games. Its score was calculated by analyzing a total of 157 reviews on Steam. This breaks down to a total of 152 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 | 7/25/2025 |
| Franchise | Jungle Game Lab |
| Developer | ROTTEN APPLE |
| Publisher | Jungle Game Lab |
| Steam App Id | 3827830 |
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 2,544 reviews on Steam. This breaks down to a total of 2,116 positive reviews and 428 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. Molementum
Molementum is a 3D party action game where you assume the role of a mole criminal to rob mines of their precious gems. Grab up to 3 friends and scramble your way through mines while engaging in various acts of competitive mischief as you try to become the most notorious mole criminal.
Molementum has achieved a Player Score of 68, placing it in the #10 spot for the best free Underground games. Its score was calculated by analyzing a total of 24 reviews on Steam. This breaks down to a total of 19 positive reviews and 5 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 Molementum on the Steam Deck (though some functionality may be limited).
| Release Date | 5/3/2024 |
| Developer | Plushie Bomb Studios |
| Publisher | Plushie Bomb Studios |
| Steam App Id | 2841830 |
More Free Underground Games
Explore even more rankings for the 100 best free Underground games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 741 | 3/6/2025 | 52 | Free | Steam Charts | |
| 328 | 8/15/2025 | 71 | Free | Steam Charts | |
| 196 | 2/2/2023 | 69 | Free | Steam Charts | |
| 75 | 3/4/2025 | 90 | Free | Steam Charts | |
| 62 | 7/10/2023 | 89 | Free | Steam Charts | |
| 38 | 4/28/2022 | 61 | Free | Steam Charts | |
| 35 | 5/20/2025 | 95 | Free | Steam Charts | |
| 7 | 7/25/2025 | 87 | Free | Steam Charts | |
| 4 | 8/27/2020 | 80 | Free | Steam Charts | |
| 4 | 5/3/2024 | 68 | Free | Steam Charts | |
 | 3 | 4/10/2025 | 88 | Free | Steam Charts | |
 | 3 | 8/31/2021 | 79 | Free | Steam Charts | |
![Close Your Eyes [Old Version] steam charts](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/377330/c8d8c555e37e28190ecd34dae23ca4b0d73ce5bc/header.jpg) | 3 | 8/31/2015 | 81 | Free | Steam Charts | |
 | 2 | 6/15/2022 | 46 | Free | Steam Charts | |
 | 2 | 11/30/2022 | 48 | Free | Steam Charts | |
 | 2 | 6/29/2018 | 72 | Free | Steam Charts | |
 | 2 | 5/27/2024 | 68 | Free | Steam Charts | |
 | 2 | 12/11/2020 | 64 | Free | Steam Charts | |
 | 2 | 12/22/2018 | 57 | Free | Steam Charts | |
 | 2 | 7/11/2025 | 59 | 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, August 19). Steam Store. Steam Store.
- Valve Corporation. (2025, August 19). Wizardry Variants Daphne on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Vigil on Steam. Steam Store.
- Valve Corporation. (2025, August 13). Underworld Idle on Steam. Steam Store.
- Valve Corporation. (2025, August 15). Gumballs & Dungeons on Steam. Steam Store.
- Valve Corporation. (2025, August 6). Cave Crawlers on Steam. Steam Store.
- Valve Corporation. (2025, August 19). Otherworld Legends 战魂铭人 on Steam. Steam Store.
- Valve Corporation. (2025, July 28). Poco on Steam. Steam Store.
- Valve Corporation. (2025, August 17). The DeadLine on Steam. Steam Store.
- Valve Corporation. (2025, August 14). Mr. Prepper: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, August 18). Molementum on Steam. Steam Store.