Free Procedural Generation Games on Steam

Steam currently has 4,321 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 1/14/2025.

Looking for more? Explore other lists such as:

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 banner

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 8,050 reviews on Steam. This breaks down to a total of 6,908 positive reviews and 1,142 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 banner

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 92,335 reviews on Steam. This breaks down to a total of 74,121 positive reviews and 18,214 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. 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 banner

Idle Spiral has achieved a Player Score of 78, placing it in the #3 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,690 reviews on Steam. This breaks down to a total of 1,381 positive reviews and 309 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

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 banner

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 3,273 reviews on Steam. This breaks down to a total of 2,841 positive reviews and 432 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
Publisher Piece of Cake studios
Steam App Id 3064370

5. 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 banner

Wizard And Minion Idle has achieved a Player Score of 85, placing it in the #5 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 731 reviews on Steam. This breaks down to a total of 664 positive reviews and 67 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

6. 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 banner

Alien Swarm: Reactive Drop has achieved a Player Score of 93, placing it in the #6 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 22,249 reviews on Steam. This breaks down to a total of 21,120 positive reviews and 1,129 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

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 banner

DFHack - Dwarf Fortress Modding Engine has achieved a Player Score of 92, placing it in the #7 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 599 reviews on Steam. This breaks down to a total of 595 positive reviews and 4 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. 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 banner

The Braves has achieved a Player Score of 68, placing it in the #8 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 1,375 reviews on Steam. This breaks down to a total of 961 positive reviews and 414 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 5/3/2024
Franchise 101XP
Developer 101XP GAME STUDIOS
Publisher 101XP
Steam App Id 2479830

9. Idle Dice 2

Roll Dice, Draw Cards, Get Points

Idle Dice 2 banner

Idle Dice 2 has achieved a Player Score of 74, placing it in the #9 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 219 reviews on Steam. This breaks down to a total of 176 positive reviews and 43 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 Dice 2 on the Steam Deck (though some functionality may be limited).

Release Date 6/1/2023
Developer Lutsgames
Publisher Lutsgames
Steam App Id 2238180

10. ABI-DOS

Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.

ABI-DOS banner

ABI-DOS has achieved a Player Score of 86, placing it in the #10 spot for the best free Procedural Generation games. Its score was calculated by analyzing a total of 174 reviews on Steam. This breaks down to a total of 167 positive reviews and 7 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 11/15/2024
Developers
Publishers
Steam App Id 2180700

More Free Procedural Generation Games

Explore even more rankings for the 100 best free Procedural Generation games available on Steam.

ImageName
Actions
Idle Slayer steam charts
1,007
12/22/2020
83
Free
Steam Charts
Trove steam charts
607
7/9/2015
79
Free
Steam Charts
Idle Spiral steam charts
270
4/30/2022
78
Free
Steam Charts
Dark Hours: Prologue steam charts
255
7/18/2024
84
Free
Steam Charts
Wizard And Minion Idle steam charts
216
2/7/2019
85
Free
Steam Charts
Alien Swarm: Reactive Drop steam charts
165
4/20/2017
93
Free
Steam Charts
DFHack - Dwarf Fortress Modding Engine steam charts
147
4/14/2023
92
Free
Steam Charts
The Braves steam charts
85
5/3/2024
68
Free
Steam Charts
Idle Dice 2 steam charts
82
6/1/2023
74
Free
Steam Charts
ABI-DOS steam charts
61
11/15/2024
86
Free
Steam Charts
Zumbi Blocks 2 Open Alpha steam charts
54
4/15/2023
87
Free
Steam Charts
Cave Crawlers steam charts
54
7/10/2023
90
Free
Steam Charts
Industry Idle steam charts
49
9/13/2024
75
Free
Steam Charts
Arcanists steam charts
33
7/15/2024
84
Free
Steam Charts
Die in the Dungeon: Origins steam charts
29
12/1/2023
92
Free
Steam Charts
Nordhold: Origins steam charts
29
8/30/2024
89
Free
Steam Charts
Castle Empire steam charts
25
9/21/2023
54
Free
Steam Charts
Jigsaw Puzzles Infinite steam charts
24
4/2/2023
80
Free
Steam Charts
Star Sonata 2 steam charts
24
6/12/2020
64
Free
Steam Charts
Hello Neighbor Alpha 1 steam charts
22
10/12/2019
89
Free
Steam Charts
Page 1 of 5

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, January 14). Steam Store. Steam Store.
  • Valve Corporation. (2025, January 14). Idle Slayer on Steam. Steam Store.
  • Valve Corporation. (2025, January 16). Trove on Steam. Steam Store.
  • Valve Corporation. (2025, January 6). Idle Spiral on Steam. Steam Store.
  • Valve Corporation. (2025, January 12). Dark Hours: Prologue on Steam. Steam Store.
  • Valve Corporation. (2025, January 12). Wizard And Minion Idle on Steam. Steam Store.
  • Valve Corporation. (2025, January 17). Alien Swarm: Reactive Drop on Steam. Steam Store.
  • Valve Corporation. (2025, January 17). DFHack - Dwarf Fortress Modding Engine on Steam. Steam Store.
  • Valve Corporation. (2025, January 16). The Braves on Steam. Steam Store.
  • Valve Corporation. (2025, January 2). Idle Dice 2 on Steam. Steam Store.
  • Valve Corporation. (2025, January 17). ABI-DOS on Steam. Steam Store.

Discover More Steam Games

Browse our top collections and curated lists of games avaible to play on Steam. Whether you are playing on PC, Mac, or on the Steam Deck, find your next favorite game.

Steam Deck Games

Steam Mac Games

Steam Linux Games

Explore

Discover the best of Steam. Find your next game, free weekend, or even track the next Steam Sale all in one spot.