Free Procedural Generation Games on Steam
Steam currently has 4,723 Procedural Generation 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 Procedural Generation game rankings were last updated on 5/29/2025.
Looking for more? Explore other lists such as:
- Best procedural generation games on Steam
- Best procedural generation Steam Deck games
- Best procedural generation Steam games for Mac OS
- Best procedural generation Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Idle Slayer
Idle Slayer is an incremental game with idle and active playstyle mechanics, medieval pixel art visuals and retro 8-bit sounds and music.
Idle Slayer holds the #1 spot for "best free Procedural Generation game on Steam" with a Player Score of 83. Its score was calculated by analyzing a total of 8,739 reviews on Steam. This breaks down to a total of 7,464 positive reviews and 1,275 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.
| Release Date | 12/22/2020 |
| Developer | Pablo Leban |
| Publisher | Pablo Leban |
| Steam App Id | 1353300 |
2. Trove
Grab your friends, hone your blades, and set off for an epic procedurally generated adventure in Trove! Battle the Shadow in realms filled with dungeons and items created by your fellow players. Whether hunting treasure or building realms of your own, it’s never been this good to be square!
Trove has achieved a Player Score of 79, placing it in the #2 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 92,345 reviews on Steam. This breaks down to a total of 74,081 positive reviews and 18,264 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 Trove on the Steam Deck (though some functionality may be limited).
| Release Date | 7/9/2015 |
| Franchise | gamigo group |
| Developer | Gamigo US Inc. |
| Publisher | Gamigo US Inc. |
| Steam App Id | 304050 |
3. Alien Swarm: Reactive Drop
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
Alien Swarm: Reactive Drop has achieved a Player Score of 93, placing it in the #3 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 22,634 reviews on Steam. This breaks down to a total of 21,482 positive reviews and 1,152 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run Alien Swarm: Reactive Drop on the Steam Deck.
| Release Date | 4/20/2017 |
| Developer | Reactive Drop Team |
| Publisher | Reactive Drop Team |
| Steam App Id | 563560 |
4. Dark Hours: Prologue
Dark Hours: Prologue is a free co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with a monster. Forget your plan, your mission: survive! Explore and cooperate to find a way out or hide and wish for daylight.
Dark Hours: Prologue has achieved a Player Score of 84, placing it in the #4 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 4,044 reviews on Steam. This breaks down to a total of 3,539 positive reviews and 505 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 | 7/18/2024 |
| Franchise | Piece of Cake studios |
| Developer | Piece of Cake studios |
| Publishers | |
| Steam App Id | 3064370 |
5. Idle Spiral
This is a beautiful "Idle", "Incremental" game based on spirals and mathematics. Your goal is to make the spiral grow farther and farther from the origin. The game is very simple, but it is very deep and can be enjoyed for a long time!
Idle Spiral has achieved a Player Score of 78, placing it in the #5 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,757 reviews on Steam. This breaks down to a total of 1,425 positive reviews and 332 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 Idle Spiral on the Steam Deck (though some functionality may be limited).
| Release Date | 4/30/2022 |
| Developers | |
| Publisher | Idle System, Inc. |
| Steam App Id | 1827980 |
6. The Braves
Demolish hordes of enemies and survive against all odds! Unlock different characters, find powerful skill combinations and embark on an exciting journey through the variety of very different worlds in this cute but unforgiving roguelike game!
The Braves has achieved a Player Score of 69, placing it in the #6 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,621 reviews on Steam. This breaks down to a total of 1,152 positive reviews and 469 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play The Braves on the Steam Deck (though some functionality may be limited).
| Release Date | 5/3/2024 |
| Franchise | 101XP |
| Developer | 101XP GAME STUDIOS |
| Publisher | 101XP |
| Steam App Id | 2479830 |
7. DFHack - Dwarf Fortress Modding Engine
Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.
DFHack - Dwarf Fortress Modding Engine has achieved a Player Score of 93, placing it in the #7 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 733 reviews on Steam. This breaks down to a total of 728 positive reviews and 5 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play DFHack - Dwarf Fortress Modding Engine on the Steam Deck (though some functionality may be limited).
| Release Date | 4/14/2023 |
| Developer | The DFHack Team |
| Publisher | The DFHack Team |
| Steam App Id | 2346660 |
8. Wizard And Minion Idle
Train your stats, cast spells, feed your minion, defeat monsters and bosses, raise demons, craft gems, go fishing and so much more in Wizard and Minion Idle--WAMI. This free to play, solo developed, Idle/active hybrid game has flexible pacing for long-time play-ability.
Wizard And Minion Idle has achieved a Player Score of 85, placing it in the #8 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 764 reviews on Steam. This breaks down to a total of 690 positive reviews and 74 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 Wizard And Minion Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 2/7/2019 |
| Developer | Oni Gaming |
| Publisher | Oni Gaming |
| Steam App Id | 1011510 |
9. 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 #9 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 2,914 reviews on Steam. This breaks down to a total of 2,723 positive reviews and 191 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 |
10. Tsukuyomi: The Divine Hunter
A New World from Visionary Creator Kazuma Kaneko This roguelike card game is the latest work by the legendary creator, known for countless masterpieces.
Tsukuyomi: The Divine Hunter has achieved a Player Score of 53, placing it in the #10 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 186 reviews on Steam. This breaks down to a total of 101 positive reviews and 85 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 | 5/7/2025 |
| Developer | COLOPL, Inc. |
| Publisher | COLOPL, Inc. |
| Steam App Id | 3360010 |
More Free Procedural Generation Games
Explore even more rankings for the 100 best free Procedural Generation games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,291 | 12/22/2020 | 83 | Free | Steam Charts | |
| 787 | 7/9/2015 | 79 | Free | Steam Charts | |
| 293 | 4/20/2017 | 93 | Free | Steam Charts | |
| 263 | 7/18/2024 | 84 | Free | Steam Charts | |
| 227 | 4/30/2022 | 78 | Free | Steam Charts | |
| 185 | 5/3/2024 | 69 | Free | Steam Charts | |
| 158 | 4/14/2023 | 93 | Free | Steam Charts | |
| 155 | 2/7/2019 | 85 | Free | Steam Charts | |
| 84 | 7/10/2023 | 90 | Free | Steam Charts | |
| 76 | 5/7/2025 | 53 | Free | Steam Charts | |
 | 72 | 4/15/2023 | 86 | Free | Steam Charts | |
 | 60 | 7/15/2024 | 82 | Free | Steam Charts | |
 | 56 | 9/13/2024 | 75 | Free | Steam Charts | |
 | 34 | 6/1/2023 | 76 | Free | Steam Charts | |
 | 32 | 1/18/2024 | 86 | Free | Steam Charts | |
 | 30 | 10/28/2023 | 88 | Free | Steam Charts | |
 | 27 | 4/16/2024 | 68 | Free | Steam Charts | |
 | 24 | 12/25/2022 | 80 | Free | Steam Charts | |
 | 21 | 4/2/2023 | 80 | Free | Steam Charts | |
 | 16 | 10/12/2019 | 89 | 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, May 29). Steam Store. Steam Store.
- Valve Corporation. (2025, May 29). Idle Slayer on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Trove on Steam. Steam Store.
- Valve Corporation. (2025, May 31). Alien Swarm: Reactive Drop on Steam. Steam Store.
- Valve Corporation. (2025, May 7). Dark Hours: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Idle Spiral on Steam. Steam Store.
- Valve Corporation. (2025, May 31). The Braves on Steam. Steam Store.
- Valve Corporation. (2025, May 28). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Wizard And Minion Idle on Steam. Steam Store.
- Valve Corporation. (2025, June 1). Cave Crawlers on Steam. Steam Store.
- Valve Corporation. (2025, May 30). Tsukuyomi: The Divine Hunter on Steam. Steam Store.