Free Idler Games on Steam
Steam currently has 3,576 Idler 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 Idler game rankings were last updated on 1/6/2026.
Looking for more? Explore other lists such as:
- Best idler games on Steam
- Best idler Steam Deck games
- Best idler Steam games for Mac OS
- Best idler Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Bongo Cat
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
Bongo Cat holds the #1 spot for "best free Idler game on Steam" with a Player Score of 96. Its score was calculated by analyzing a total of 84,441 reviews on Steam. This breaks down to a total of 82,491 positive reviews and 1,950 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 | 3/5/2025 |
| Developers | |
| Publisher | Irox Games |
| Steam App Id | 3419430 |
2. Banana
Banana is a clicker Game, in which you click a Banana! In Banana you click the Banana to gain even more Bananas! Every 3 hours, you get dropped a banana. Each banana is also made by the community in discord. Come hang out with us and let's grow into something awesome !
Banana has achieved a Player Score of 81, placing it in the #2 spot for the best free Idler games. Its score was calculated by analyzing a total of 94,812 reviews on Steam. This breaks down to a total of 77,716 positive reviews and 17,096 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 4/23/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2923300 |
3. IdleOn
The management RPG where your heroes keep fighting even when you're gone! Spend their loot on upgrades, unlock classes from Elemental Wizard to Cannon Pirate, and level up 19 unique skills like Farming, Sailing, and even Construction!
IdleOn has achieved a Player Score of 79, placing it in the #3 spot for the best free Idler games. Its score was calculated by analyzing a total of 27,099 reviews on Steam. This breaks down to a total of 21,783 positive reviews and 5,316 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 IdleOn on the Steam Deck (though some functionality may be limited).
| Release Date | 11/6/2025 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1476970 |
4. Fish Idle 2: Underwater Mystery
Dive into the most fun idle fishing arcade game! Manage your Fish Kingdoms with automated fishing, upgrade your boat and gear, invest in passive income, and outsmart the market. Become the ultimate fish tycoon!
Fish Idle 2: Underwater Mystery has achieved a Player Score of 64, placing it in the #4 spot for the best free Idler games. Its score was calculated by analyzing a total of 1,408 reviews on Steam. This breaks down to a total of 922 positive reviews and 486 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Fish Idle 2: Underwater Mystery on the Steam Deck (though some functionality may be limited).
| Release Date | 11/15/2024 |
| Developer | Multicast |
| Publisher | MulticastGames |
| Steam App Id | 3037410 |
5. Revolution Idle
Join an experience where each revolution takes you further into the unknown! Revolution Idle challenges you to multiply your accumulators to reach unimaginable heights. Will you manage to reach infinity?
Revolution Idle has achieved a Player Score of 84, placing it in the #5 spot for the best free Idler games. Its score was calculated by analyzing a total of 9,325 reviews on Steam. This breaks down to a total of 8,025 positive reviews and 1,300 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 Revolution Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 5/1/2025 |
| Developers | |
| Publisher | Oni Gaming |
| Steam App Id | 2763740 |
6. Unnamed Space Idle
Destroy endless waves of alien ships that have all but wiped out humanity in this long form, unfolding, sci-fi idle game. Customize your ship with different weapons and defenses to defeat specific enemy types and utilize a ton of different systems to increase your overall power.
Unnamed Space Idle has achieved a Player Score of 89, placing it in the #6 spot for the best free Idler games. Its score was calculated by analyzing a total of 3,780 reviews on Steam. This breaks down to a total of 3,509 positive reviews and 271 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Unnamed Space Idle on the Steam Deck (though some functionality may be limited).
| Release Date | 7/27/2023 |
| Developer | Sylv |
| Publishers | |
| Steam App Id | 2471100 |
7. Upload Labs
A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect
Upload Labs has achieved a Player Score of 88, placing it in the #7 spot for the best free Idler games. Its score was calculated by analyzing a total of 4,770 reviews on Steam. This breaks down to a total of 4,365 positive reviews and 405 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Linux systems. At the moment, it is possible to play Upload Labs on the Steam Deck (though some functionality may be limited).
| Release Date | 10/3/2025 |
| Developer | EnigmaDev Studios |
| Publisher | EnigmaDev Studios |
| Steam App Id | 3606890 |
8. Tap Ninja - Idle game
Defeat enemies, earn gold, upgrade your village, become a Ninja Master!
Tap Ninja - Idle game has achieved a Player Score of 83, placing it in the #8 spot for the best free Idler games. Its score was calculated by analyzing a total of 9,225 reviews on Steam. This breaks down to a total of 7,864 positive reviews and 1,361 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. Valve has also verified it as playable on the Steam Deck and will run well.
| Release Date | 3/17/2022 |
| Developer | Broken Glass |
| Publisher | Broken Glass |
| Steam App Id | 1891700 |
9. Cell to Singularity - Evolution Never Ends
The epic story of evolution, technology, humanity, and dinosaurs is yours to tap.
Cell to Singularity - Evolution Never Ends has achieved a Player Score of 88, placing it in the #9 spot for the best free Idler games. Its score was calculated by analyzing a total of 25,575 reviews on Steam. This breaks down to a total of 22,952 positive reviews and 2,623 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Cell to Singularity - Evolution Never Ends on the Steam Deck (though some functionality may be limited).
| Release Date | 11/3/2021 |
| Developer | Computer Lunch |
| Publisher | Computer Lunch |
| Steam App Id | 977400 |
10. NGU IDLE
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
NGU IDLE has achieved a Player Score of 93, placing it in the #10 spot for the best free Idler games. Its score was calculated by analyzing a total of 12,519 reviews on Steam. This breaks down to a total of 11,979 positive reviews and 540 negative reviews — making it "Overwhelmingly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play NGU IDLE on the Steam Deck (though some functionality may be limited).
More Free Idler Games
Explore even more rankings for the 100 best free Idler games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 115,760 | 3/5/2025 | 96 | Free | Steam Charts | |
| 41,001 | 4/23/2024 | 81 | Free | Steam Charts | |
| 13,132 | 11/6/2025 | 79 | Free | Steam Charts | |
| 8,850 | 11/15/2024 | 64 | Free | Steam Charts | |
| 8,837 | 5/1/2025 | 84 | Free | Steam Charts | |
| 4,264 | 7/27/2023 | 89 | Free | Steam Charts | |
| 3,983 | 10/3/2025 | 88 | Free | Steam Charts | |
| 3,912 | 3/17/2022 | 83 | Free | Steam Charts | |
| 3,592 | 11/3/2021 | 88 | Free | Steam Charts | |
| 3,530 | 10/1/2019 | 93 | Free | Steam Charts | |
 | 3,322 | 5/5/2020 | 77 | Free | Steam Charts | |
 | 2,904 | 4/5/2021 | 77 | Free | Steam Charts | |
 | 2,492 | 3/25/2020 | 76 | Free | Steam Charts | |
 | 2,033 | 5/13/2015 | 88 | Free | Steam Charts | |
 | 1,843 | 4/1/2024 | 75 | Free | Steam Charts | |
 | 1,667 | 5/3/2024 | 79 | Free | Steam Charts | |
 | 1,500 | 3/30/2015 | 86 | Free | Steam Charts | |
 | 1,383 | 11/30/2025 | 84 | Free | Steam Charts | |
 | 1,381 | 9/5/2024 | 92 | Free | Steam Charts | |
 | 1,270 | 5/27/2016 | 82 | 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 6). Steam Store. Steam Store.
- Valve Corporation. (2026, January 6). Bongo Cat on Steam. Steam Store.
- Valve Corporation. (2025, December 31). Banana on Steam. Steam Store.
- Valve Corporation. (2026, January 3). IdleOn on Steam. Steam Store.
- Valve Corporation. (2025, December 3). Fish Idle 2: Underwater Mystery on Steam. Steam Store.
- Valve Corporation. (2026, January 3). Revolution Idle on Steam. Steam Store.
- Valve Corporation. (2025, December 28). Unnamed Space Idle on Steam. Steam Store.
- Valve Corporation. (2025, December 31). Upload Labs on Steam. Steam Store.
- Valve Corporation. (2026, January 2). Tap Ninja - Idle game on Steam. Steam Store.
- Valve Corporation. (2026, January 6). Cell to Singularity - Evolution Never Ends on Steam. Steam Store.
- Valve Corporation. (2025, October 26). NGU IDLE on Steam. Steam Store.