Free Procedural Generation Games on Steam
Steam currently has 4,891 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 7/25/2025.
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 9,016 reviews on Steam. This breaks down to a total of 7,706 positive reviews and 1,310 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 92,430 reviews on Steam. This breaks down to a total of 74,140 positive reviews and 18,290 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 4,294 reviews on Steam. This breaks down to a total of 3,764 positive reviews and 530 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. 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 #4 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 22,788 reviews on Steam. This breaks down to a total of 21,631 positive reviews and 1,157 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 |
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 1,771 reviews on Steam. This breaks down to a total of 1,437 positive reviews and 334 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. 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 772 reviews on Steam. This breaks down to a total of 697 positive reviews and 75 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. 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 #7 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 8,152 reviews on Steam. This breaks down to a total of 7,222 positive reviews and 930 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 |
8. 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 #8 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 779 reviews on Steam. This breaks down to a total of 774 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 |
9. 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 #9 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,720 reviews on Steam. This breaks down to a total of 1,225 positive reviews and 495 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 |
10. Industry Idle
Industry Idle is an idle game that combines factory building, resource management and market trading. Design & build your base, expand & scale up your productions, improve & optimize your economy. Plus all the incremental game goodies: offline earnings, prestige to unlock more powerful upgrades.
Industry Idle has achieved a Player Score of 75, placing it in the #10 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,378 reviews on Steam. This breaks down to a total of 1,070 positive reviews and 308 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, it is possible to play Industry Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 9/13/2024 |
| Franchise | Fish Pond Studio |
| Developers | |
| Publisher | Fish Pond Studio |
| Steam App Id | 1574000 |
More Free Procedural Generation Games
Explore even more rankings for the 100 best free Procedural Generation games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 1,266 | 12/22/2020 | 83 | Free | Steam Charts | |
| 817 | 7/9/2015 | 79 | Free | Steam Charts | |
| 236 | 7/18/2024 | 85 | Free | Steam Charts | |
| 212 | 4/20/2017 | 93 | Free | Steam Charts | |
| 209 | 4/30/2022 | 78 | Free | Steam Charts | |
| 178 | 2/7/2019 | 85 | Free | Steam Charts | |
| 152 | 4/15/2023 | 86 | Free | Steam Charts | |
| 122 | 4/14/2023 | 93 | Free | Steam Charts | |
| 119 | 5/3/2024 | 69 | Free | Steam Charts | |
| 85 | 9/13/2024 | 75 | Free | Steam Charts | |
 | 40 | 7/15/2024 | 82 | Free | Steam Charts | |
 | 39 | 12/25/2022 | 80 | Free | Steam Charts | |
 | 32 | 5/7/2025 | 55 | Free | Steam Charts | |
 | 31 | 6/1/2023 | 76 | Free | Steam Charts | |
 | 27 | 6/12/2020 | 64 | Free | Steam Charts | |
 | 24 | 7/10/2023 | 89 | Free | Steam Charts | |
 | 16 | 4/16/2024 | 74 | Free | Steam Charts | |
 | 15 | 10/28/2023 | 88 | Free | Steam Charts | |
 | 14 | 10/12/2019 | 89 | Free | Steam Charts | |
 | 14 | 4/2/2023 | 79 | 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, July 25). Steam Store. Steam Store.
- Valve Corporation. (2025, July 25). Idle Slayer on Steam. Steam Store.
- Valve Corporation. (2025, July 24). Trove on Steam. Steam Store.
- Valve Corporation. (2025, July 26). Dark Hours: Prologue on Steam. Steam Store.
- Valve Corporation. (2025, July 22). Alien Swarm: Reactive Drop on Steam. Steam Store.
- Valve Corporation. (2025, July 1). Idle Spiral on Steam. Steam Store.
- Valve Corporation. (2025, July 24). Wizard And Minion Idle on Steam. Steam Store.
- Valve Corporation. (2025, July 8). Zumbi Blocks 2 Open Alpha on Steam. Steam Store.
- Valve Corporation. (2025, July 25). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
- Valve Corporation. (2025, July 25). The Braves on Steam. Steam Store.
- Valve Corporation. (2025, June 25). Industry Idle on Steam. Steam Store.