Free Old School Games on Steam
Steam currently has 7,757 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 3/28/2025.
Looking for more? Explore other lists such as:
- Best old school games on Steam
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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 Idle RPG
Create different classes who all work together when you're gone! When you return, spend their loot on powerful upgrades and synergies - but don't be fooled by the simple graphics, IdleOn gets more complex with each World Boss you defeat!
IdleOn - The Idle RPG holds the #1 spot for "best free Old School game on Steam" with a Player Score of 78. Its score was calculated by analyzing a total of 20,510 reviews on Steam. This breaks down to a total of 16,313 positive reviews and 4,197 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 IdleOn - The Idle RPG on the Steam Deck (though some functionality may be limited).
| Release Date | 4/2/2021 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1476970 |
2. 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 83, placing it in the #2 spot for the best free Old School games. Its score was calculated by analyzing a total of 372 reviews on Steam. This breaks down to a total of 333 positive reviews and 39 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.
3. 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 78, placing it in the #3 spot for the best free Old School games. Its score was calculated by analyzing a total of 247 reviews on Steam. This breaks down to a total of 210 positive reviews and 37 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 | 3/31/2025 (In 3 Days) |
| Developer | Vladimir Khil |
| Publisher | Vladimir Khil |
| Steam App Id | 3553500 |
4. 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 73, placing it in the #4 spot for the best free Old School games. Its score was calculated by analyzing a total of 602 reviews on Steam. This breaks down to a total of 465 positive reviews and 137 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).
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 8,419 reviews on Steam. This breaks down to a total of 7,201 positive reviews and 1,218 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. 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 80, placing it in the #6 spot for the best free Old School games. Its score was calculated by analyzing a total of 3,136 reviews on Steam. This breaks down to a total of 2,591 positive reviews and 545 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 | 12/19/2024 |
| Developers | |
| Publishers | |
| Steam App Id | 2962300 |
7. 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 75, placing it in the #7 spot for the best free Old School games. Its score was calculated by analyzing a total of 20,183 reviews on Steam. This breaks down to a total of 15,433 positive reviews and 4,750 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 |
8. 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 #8 spot for the best free Old School games. Its score was calculated by analyzing a total of 18,046 reviews on Steam. This breaks down to a total of 14,957 positive reviews and 3,089 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).
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 7,789 reviews on Steam. This breaks down to a total of 6,986 positive reviews and 803 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. Idle Skilling
Idle Skilling is the ultimate Idle Game with years of content! Meant to be played for 5-10 minutes a day, you gradually unlock new skills like mining, fishing, pet breeding, crusading, potion-making, lab-research, construction, and more! With new updates coming, you'll never run out of stuff to do!
Idle Skilling has achieved a Player Score of 69, placing it in the #10 spot for the best free Old School games. Its score was calculated by analyzing a total of 2,165 reviews on Steam. This breaks down to a total of 1,547 positive reviews and 618 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 Idle Skilling on the Steam Deck.
| Release Date | 9/15/2022 |
| Developer | Lavaflame2 |
| Publisher | Lavaflame2 |
| Steam App Id | 1048370 |
More Free Old School Games
Explore even more rankings for the 100 best free Old School games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 12,443 | 4/2/2021 | 78 | Free | Steam Charts | |
| 2,166 | 3/6/2025 | 83 | Free | Steam Charts | |
| 1,781 | 3/31/2025 | 78 | Free | Steam Charts | |
| 1,570 | 7/18/2024 | 73 | Free | Steam Charts | |
| 1,407 | 12/22/2020 | 83 | Free | Steam Charts | |
| 1,203 | 12/19/2024 | 80 | Free | Steam Charts | |
| 1,000 | 4/12/2023 | 75 | Free | Steam Charts | |
| 966 | 2/24/2021 | 81 | Free | Steam Charts | |
| 536 | 9/14/2021 | 87 | Free | Steam Charts | |
| 333 | 9/15/2022 | 69 | Free | Steam Charts | |
 | 219 | 12/13/2012 | 78 | Free | Steam Charts | |
 | 216 | 6/29/2023 | 84 | Free | Steam Charts | |
 | 191 | 5/27/2022 | 63 | Free | Steam Charts | |
 | 174 | 10/16/2021 | 61 | Free | Steam Charts | |
 | 166 | 8/21/2023 | 80 | Free | Steam Charts | |
 | 142 | 3/1/2011 | 73 | Free | Steam Charts | |
 | 134 | 8/11/2020 | 74 | Free | Steam Charts | |
 | 118 | 9/3/2022 | 72 | Free | Steam Charts | |
 | 114 | 5/21/2014 | 82 | Free | Steam Charts | |
 | 103 | 12/15/2022 | 88 | 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, March 28). Steam Store. Steam Store.
- Valve Corporation. (2025, March 28). IdleOn - The Idle RPG on Steam. Steam Store.
- Valve Corporation. (2025, March 27). Milky Way Idle on Steam. Steam Store.
- Valve Corporation. (2025, March 28). SIGame on Steam. Steam Store.
- Valve Corporation. (2025, March 28). Galaxy Idle Clicker on Steam. Steam Store.
- Valve Corporation. (2025, March 24). Idle Slayer on Steam. Steam Store.
- Valve Corporation. (2025, March 28). Royal Quest Online on Steam. Steam Store.
- Valve Corporation. (2025, March 28). Caliber on Steam. Steam Store.
- Valve Corporation. (2025, March 26). Old School RuneScape on Steam. Steam Store.
- Valve Corporation. (2025, March 23). RetroArch on Steam. Steam Store.
- Valve Corporation. (2025, March 18). Idle Skilling on Steam. Steam Store.