Free Procedural Generation Games on Steam
Steam currently has 5,462 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 1/8/2026.
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 9,859 reviews on Steam. This breaks down to a total of 8,410 positive reviews and 1,449 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 92,584 reviews on Steam. This breaks down to a total of 74,151 positive reviews and 18,433 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. 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 85, placing it in the #3 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 5,051 reviews on Steam. This breaks down to a total of 4,448 positive reviews and 603 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 Dark Hours: Prologue on the Steam Deck (though some functionality may be limited).
| Release Date | 7/18/2024 |
| Franchise | Piece of Cake studios |
| Developer | Piece of Cake studios |
| Publishers | |
| Steam App Id | 3064370 |
4. 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 77, placing it in the #4 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,826 reviews on Steam. This breaks down to a total of 1,472 positive reviews and 354 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 |
5. Jigs4w3D Puzzle Challenge
Jigs4w3D Puzzle Challenge is a casual single-player experience. Chill, enjoy the immersive 3D environments and complete a fine selection of your favourite puzzles. Choose from different categories and solve all 31 puzzles on 5 difficulty settings for completely free or grab your favourite DLC.
Jigs4w3D Puzzle Challenge has achieved a Player Score of 70, placing it in the #5 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 57 reviews on Steam. This breaks down to a total of 45 positive reviews and 12 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 Jigs4w3D Puzzle Challenge on the Steam Deck (though some functionality may be limited).
| Release Date | 6/24/2024 |
| Developer | WOMBEX Games |
| Publisher | WOMBEX Games |
| Steam App Id | 3026980 |
6. 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 #6 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 793 reviews on Steam. This breaks down to a total of 716 positive reviews and 77 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 |
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 991 reviews on Steam. This breaks down to a total of 985 positive reviews and 6 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. Zumbi Blocks 2 Open Alpha
Loot. Kill. Survive. Can you escape ? (probably not) Zumbi Blocks 2 is the official sequel to the 2013 free browser zombie game. Stuck on an island, cut off from the rest of humanity, you wake up. The secret to breaking free from this place lies asleep, underground. From the soil, zumbies emerge.
Zumbi Blocks 2 Open Alpha has achieved a Player Score of 86, placing it in the #8 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 9,005 reviews on Steam. This breaks down to a total of 7,956 positive reviews and 1,049 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 | 4/15/2023 |
| Developer | Adrian Kaminski |
| Publisher | Adrian Kaminski |
| Steam App Id | 1941780 |
9. 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 #9 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 23,314 reviews on Steam. This breaks down to a total of 22,134 positive reviews and 1,180 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 |
10. 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 #10 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 3,396 reviews on Steam. This breaks down to a total of 3,168 positive reviews and 228 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 |
More Free Procedural Generation Games
Explore even more rankings for the 100 best free Procedural Generation games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
1,081 | 12/22/2020 | 83 | Free | Steam Charts | ||
789 | 7/9/2015 | 79 | Free | Steam Charts | ||
491 | 7/18/2024 | 85 | Free | Steam Charts | ||
219 | 4/30/2022 | 77 | Free | Steam Charts | ||
196 | 6/24/2024 | 70 | Free | Steam Charts | ||
186 | 2/7/2019 | 85 | Free | Steam Charts | ||
163 | 4/14/2023 | 93 | Free | Steam Charts | ||
125 | 4/15/2023 | 86 | Free | Steam Charts | ||
106 | 4/20/2017 | 93 | Free | Steam Charts | ||
104 | 7/10/2023 | 90 | Free | Steam Charts | ||
75 | 5/3/2024 | 70 | Free | Steam Charts | ||
73 | 7/10/2024 | 77 | Free | Steam Charts | ||
58 | 9/13/2024 | 75 | Free | Steam Charts | ||
40 | 4/2/2023 | 80 | Free | Steam Charts | ||
39 | 10/28/2023 | 88 | Free | Steam Charts | ||
36 | 8/29/2025 | 91 | Free | Steam Charts | ||
33 | 12/24/2022 | 79 | Free | Steam Charts | ||
28 | 7/31/2025 | 80 | Free | Steam Charts | ||
26 | 7/15/2024 | 80 | Free | Steam Charts | ||
24 | 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. (2026, January 8). Steam Store. Steam Store.
- Valve Corporation. (2026, January 8). Idle Slayer on Steam. Steam Store.
- Valve Corporation. (2026, January 19). Trove on Steam. Steam Store.
- Valve Corporation. (2025, December 16). Dark Hours: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, October 18). Idle Spiral on Steam. Steam Store.
- Valve Corporation. (2025, October 1). Jigs4w3D Puzzle Challenge on Steam. Steam Store.
- Valve Corporation. (2025, December 28). Wizard And Minion Idle on Steam. Steam Store.
- Valve Corporation. (2026, January 16). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
- Valve Corporation. (2025, December 10). Zumbi Blocks 2 Open Alpha on Steam. Steam Store.
- Valve Corporation. (2026, January 16). Alien Swarm: Reactive Drop on Steam. Steam Store.
- Valve Corporation. (2026, January 17). Cave Crawlers on Steam. Steam Store.









