Free Old School Games on Steam
Steam currently has 8,798 Old School 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 Old School game rankings were last updated on 12/10/2025.
Looking for more? Explore other lists such as:
- Best old school games on Steam
- Best old school Steam Deck games
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- Best old school Linux games on Steam
- Free Steam games
- Most played Steam games
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1. 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 holds the #1 spot for "best free Old School game on Steam" with a Player Score of 80. Its score was calculated by analyzing a total of 26,697 reviews on Steam. This breaks down to a total of 21,646 positive reviews and 5,051 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 |
2. Old School RuneScape
The best retro fantasy MMORPG on the planet. Old School is RuneScape but… older! This is the open world you know and love, but as it was in 2007. Saying that, it’s even better than that – Old School is shaped by you, its players, with regular new content, fixes and expansions voted for by the fans!
Old School RuneScape has achieved a Player Score of 81, placing it in the #2 spot for the best free Old School games. Its score was calculated by analyzing a total of 19,624 reviews on Steam. This breaks down to a total of 16,302 positive reviews and 3,322 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 Old School RuneScape on the Steam Deck (though some functionality may be limited).
3. Galaxy Idle Clicker
Embark on an interstellar journey with Galaxy Idle Clicker! Conquer galaxies, upgrade your spaceship, and face off against a myriad of enemy ships. With engaging minigames, powerful upgrades, GIC delivers an unparalleled idle space adventure. Join the cosmic conquest today and dominate the universe!
Galaxy Idle Clicker has achieved a Player Score of 72, placing it in the #3 spot for the best free Old School games. Its score was calculated by analyzing a total of 1,063 reviews on Steam. This breaks down to a total of 798 positive reviews and 265 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 Galaxy Idle Clicker on the Steam Deck (though some functionality may be limited).
| Release Date | 8/6/2025 |
| Developer | Soehnle |
| Publishers | |
| Steam App Id | 2962810 |
4. SIGame
Exciting quiz game where you can test your knowledge, compete with friends and smart bots, and explore a variety of topics!
SIGame has achieved a Player Score of 87, placing it in the #4 spot for the best free Old School games. Its score was calculated by analyzing a total of 3,836 reviews on Steam. This breaks down to a total of 3,485 positive reviews and 351 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 | 3/22/2025 |
| Developer | Vladimir Khil |
| Publisher | Vladimir Khil |
| Steam App Id | 3553500 |
5. 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 has achieved a Player Score of 83, placing it in the #5 spot for the best free Old School games. Its score was calculated by analyzing a total of 9,672 reviews on Steam. This breaks down to a total of 8,257 positive reviews and 1,415 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 |
6. Milky Way Idle
Milky Way Idle: A multiplayer idle RPG where automation replaces grinding. Level up skills, gather resources, craft powerful items, and battle monsters—all while AFK. Trade in the marketplace, join a guild, team up for party combat, and socialize in chat as you progress effortlessly.
Milky Way Idle has achieved a Player Score of 45, placing it in the #6 spot for the best free Old School games. Its score was calculated by analyzing a total of 2,058 reviews on Steam. This breaks down to a total of 911 positive reviews and 1,147 negative reviews — making it "Mixed" on Steam.
It can be played and ran on Windows systems. At the moment, it is possible to play Milky Way Idle on the Steam Deck (though some functionality may be limited).
7. Royal Quest Online
Fantasy comes alive in this vast yet cozy free-to-play MMORPG! Choose between 4 classes and 8 subclasses, explore hundreds of locations, thousands of quests, dive into varied PvE and PvP modes, enter the unique vibrant world, and trade with other players. Play, explore, fight and be victorious!
Royal Quest Online has achieved a Player Score of 77, placing it in the #7 spot for the best free Old School games. Its score was calculated by analyzing a total of 4,403 reviews on Steam. This breaks down to a total of 3,513 positive reviews and 890 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 Royal Quest Online on the Steam Deck (though some functionality may be limited).
| Release Date | 12/19/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2962300 |
8. Caliber
Caliber is a team-based online shooter focused on special forces units from all over the world. More than 70 operators with unique abilities and weapons as well as various game modes and maps are waiting for you.
Caliber has achieved a Player Score of 74, placing it in the #8 spot for the best free Old School games. Its score was calculated by analyzing a total of 21,618 reviews on Steam. This breaks down to a total of 16,340 positive reviews and 5,278 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 Caliber on the Steam Deck (though some functionality may be limited).
| Release Date | 4/12/2023 |
| Franchise | 1C Game Studios |
| Developer | 1C Game Studios |
| Publishers | |
| Steam App Id | 307950 |
9. RetroArch
RetroArch is an open source and cross platform frontend/framework for emulators, game engines, video games, media players and other applications
RetroArch has achieved a Player Score of 87, placing it in the #9 spot for the best free Old School games. Its score was calculated by analyzing a total of 8,756 reviews on Steam. This breaks down to a total of 7,820 positive reviews and 936 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on Windows, Mac, and Linux systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
10. RIFT
Dive into a world of epic adventure! Create your perfect hero thanks to a uniquely customizable class system. Collect, craft, and customize your gear. Go it alone or group up to challenge dungeons, raids, dynamic open-world content, and your fellow players.
RIFT has achieved a Player Score of 73, placing it in the #10 spot for the best free Old School games. Its score was calculated by analyzing a total of 11,418 reviews on Steam. This breaks down to a total of 8,464 positive reviews and 2,954 negative reviews — making it "Mostly Positive" on Steam.
It can be played and ran on Windows systems. At the moment, it is not possible to play or run RIFT on the Steam Deck.
| Release Date | 3/1/2011 |
| Franchise | gamigo group |
| Developer | Gamigo US Inc. |
| Publisher | Gamigo US Inc. |
| Steam App Id | 39120 |
More Free Old School Games
Explore even more rankings for the 100 best free Old School games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 17,436 | 11/6/2025 | 80 | Free | Steam Charts | |
| 1,730 | 2/24/2021 | 81 | Free | Steam Charts | |
| 1,265 | 8/6/2025 | 72 | Free | Steam Charts | |
| 1,262 | 3/22/2025 | 87 | Free | Steam Charts | |
| 1,071 | 12/22/2020 | 83 | Free | Steam Charts | |
| 881 | 3/6/2025 | 45 | Free | Steam Charts | |
| 821 | 12/19/2024 | 77 | Free | Steam Charts | |
| 663 | 4/12/2023 | 74 | Free | Steam Charts | |
| 557 | 9/14/2021 | 87 | Free | Steam Charts | |
| 359 | 3/1/2011 | 73 | Free | Steam Charts | |
 | 356 | 9/15/2022 | 69 | Free | Steam Charts | |
 | 287 | 6/12/2025 | 74 | Free | Steam Charts | |
 | 225 | 12/13/2012 | 76 | Free | Steam Charts | |
 | 205 | 3/6/2020 | 74 | Free | Steam Charts | |
 | 204 | 11/2/2017 | 70 | Free | Steam Charts | |
 | 176 | 12/20/2019 | 61 | Free | Steam Charts | |
 | 176 | 4/11/2025 | 64 | Free | Steam Charts | |
 | 171 | 10/15/2025 | 58 | Free | Steam Charts | |
 | 170 | 6/29/2023 | 85 | Free | Steam Charts | |
 | 167 | 10/16/2021 | 61 | 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, December 10). Steam Store. Steam Store.
- Valve Corporation. (2025, December 10). IdleOn on Steam. Steam Store.
- Valve Corporation. (2025, December 8). Old School RuneScape on Steam. Steam Store.
- Valve Corporation. (2025, December 2). Galaxy Idle Clicker on Steam. Steam Store.
- Valve Corporation. (2025, December 9). SIGame on Steam. Steam Store.
- Valve Corporation. (2025, November 17). Idle Slayer on Steam. Steam Store.
- Valve Corporation. (2025, December 6). Milky Way Idle on Steam. Steam Store.
- Valve Corporation. (2025, December 11). Royal Quest Online on Steam. Steam Store.
- Valve Corporation. (2025, December 12). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, December 13). RetroArch on Steam. Steam Store.
- Valve Corporation. (2025, October 18). RIFT on Steam. Steam Store.