Free Medical Sim Games on Steam
Steam currently has 231 Medical Sim 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 Medical Sim game rankings were last updated on 5/14/2025.
Looking for more? Explore other lists such as:
- Best medical sim games on Steam
- Best medical sim Steam Deck games
- Best medical sim Steam games for Mac OS
- Best medical sim Linux games on Steam
- Free Steam games
- Most played Steam games
- Best rated Steam games
1. Fun Hospital
Build your own theme hospital! Here, you might meet patients with a lot of hair, or no hair; strange aliens, evil guy, super hero…
Fun Hospital holds the #1 spot for "best free Medical Sim game on Steam" with a Player Score of 62. Its score was calculated by analyzing a total of 578 reviews on Steam. This breaks down to a total of 367 positive reviews and 211 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play Fun Hospital on the Steam Deck (though some functionality may be limited).
| Release Date | 6/22/2018 |
| Developer | OrangesGame Technology Limited |
| Publisher | OrangesGame Technology Limited |
| Steam App Id | 829420 |
2. 3D Organon
3D Organon is a multi-award-winning medical XR platform offering an all-in-one solution with 3D Anatomy, XR Medical Imaging, Medverse, Assessments, and the AI Study Assistant—supporting diverse teaching, learning, and training needs across healthcare education.
3D Organon has achieved a Player Score of 52, placing it in the #2 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 117 reviews on Steam. This breaks down to a total of 61 positive reviews and 56 negative reviews — making it "Mixed" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 7/17/2019 |
| Developer | Medis Media |
| Publisher | Medis Media |
| Steam App Id | 1099550 |
3. Pet idle
Pet Idle is a simulation game where you can take care of various virtual animals! Build and manage your home to be a cozy home for many pets!
Pet idle has achieved a Player Score of 74, placing it in the #3 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 687 reviews on Steam. This breaks down to a total of 536 positive reviews and 151 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 Pet idle on the Steam Deck (though some functionality may be limited).
| Release Date | 12/9/2021 |
| Developer | Alphaquest Games |
| Publisher | Alphaquest Games |
| Steam App Id | 1774100 |
4. Over the Counter
A pharmaceutical business management game.
Over the Counter has achieved a Player Score of 85, placing it in the #4 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 384 reviews on Steam. This breaks down to a total of 355 positive reviews and 29 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.
| Release Date | 2/13/2022 |
| Developer | Brody Rampono |
| Publisher | Brody Rampono |
| Steam App Id | 1626460 |
5. 星际战线
《星际战线》是一款以太空星际为主题的SLG策略游戏，您将化身一名舰队指挥官，投身联邦并立志从邪恶的敌人手中解放银河系。在科技高度发达的未来世界里，驾驶最先进的太空战舰驰骋在浩瀚宇宙中，采集资源，击败海盗，从狡猾的星际商人换取自身所需。和盟友一起在星系间排兵布阵，征服那一座座宏伟的星系核心，收复那一颗颗价值连城的殖民星球，建立起属于自己的星际势力！
星际战线 has achieved a Player Score of 62, placing it in the #5 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 88 reviews on Steam. This breaks down to a total of 58 positive reviews and 30 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.
6. Welcome To Your Immune System
Welcome to Your Immune System is an addictive retro arcade-style video game where you defend human cells from invading bacteria. Use all the weapons in your arsenal from macrophages, killer T cells, to cytokines and learn how these work in real life.
Welcome To Your Immune System has achieved a Player Score of 80, placing it in the #6 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 48 reviews on Steam. This breaks down to a total of 45 positive reviews and 3 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
| Release Date | 12/9/2021 |
| Developers | |
| Publisher | The VALIDATE Network |
| Steam App Id | 1829730 |
7. Surgeon Simulator VR: Meet The Medic
Surgeon Simulator VR: Meet the Medic – be the Medic and operate on the Heavy in this free and exclusive teaser for the HTC Vive!
Surgeon Simulator VR: Meet The Medic has achieved a Player Score of 72, placing it in the #7 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 544 reviews on Steam. This breaks down to a total of 414 positive reviews and 130 negative reviews — making it "Mostly 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 | 4/5/2016 |
| Franchise | Infogrames |
| Developer | Bossa Studios |
| Publishers | |
| Steam App Id | 457420 |
8. Mission Biotech
Stop the spread of deadly viruses using real biotechnology concepts, procedures and tools.
Mission Biotech has achieved a Player Score of 73, placing it in the #8 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 24 reviews on Steam. This breaks down to a total of 21 positive reviews and 3 negative reviews — making it "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 | 5/13/2020 |
| Developer | Virtual Heroes |
| Publisher | Applied Research Associates, Inc. |
| Steam App Id | 1286810 |
9. 小邦迪的奇妙冒险
在《小邦迪的奇妙冒险》中与小邦迪一同学习急救知识，拯救吴家于各种急症之中。
小邦迪的奇妙冒险 has achieved a Player Score of 74, placing it in the #9 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 14 reviews on Steam. This breaks down to a total of 13 positive reviews and 1 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
10. Life on the Edge
Life on the Edge is an educational tower defense game. You play as a cell struggling to survive waves of bacteria and the COVID-19 virus. Protect your cell and build an understanding of cell biology at the same time!
Life on the Edge has achieved a Player Score of 80, placing it in the #10 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 89 reviews on Steam. This breaks down to a total of 81 positive reviews and 8 negative reviews — making it "Very Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
More Free Medical Sim Games
Explore even more rankings for the 34 best free Medical Sim games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 72 | 6/22/2018 | 62 | Free | Steam Charts | |
| 9 | 7/17/2019 | 52 | Free | Steam Charts | |
| 4 | 12/9/2021 | 74 | Free | Steam Charts | |
| 3 | 2/13/2022 | 85 | Free | Steam Charts | |
| 3 | 5/25/2023 | 62 | Free | Steam Charts | |
| 2 | 12/9/2021 | 80 | Free | Steam Charts | |
| 2 | 4/5/2016 | 72 | Free | Steam Charts | |
| 1 | 5/13/2020 | 73 | Free | Steam Charts | |
| 1 | 3/28/2021 | 74 | Free | Steam Charts | |
| 1 | 6/17/2022 | 80 | Free | Steam Charts | |
 | 1 | 11/17/2021 | 67 | Free | Steam Charts | |
 | 1 | 7/5/2021 | 73 | Free | Steam Charts | |
 | 1 | 4/20/2020 | 51 | Free | Steam Charts | |
 | 1 | 11/21/2024 | 81 | Free | Steam Charts | |
 | 1 | 9/18/2021 | 59 | Free | Steam Charts | |
 | 1 | 5/14/2020 | 63 | Free | Steam Charts | |
 | 1 | 2/27/2025 | 69 | Free | Steam Charts | |
 | 1 | 12/2/2017 | 73 | Free | Steam Charts | |
 | 1 | 1/27/2023 | 62 | Free | Steam Charts | |
 | 1 | 5/2/2022 | 71 | 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, May 14). Steam Store. Steam Store.
- Valve Corporation. (2025, May 14). Fun Hospital on Steam. Steam Store.
- Valve Corporation. (2025, May 27). 3D Organon on Steam. Steam Store.
- Valve Corporation. (2025, May 14). Pet idle on Steam. Steam Store.
- Valve Corporation. (2025, March 17). Over the Counter on Steam. Steam Store.
- Valve Corporation. (2024, October 12). 星际战线 on Steam. Steam Store.
- Valve Corporation. (2025, March 15). Welcome To Your Immune System on Steam. Steam Store.
- Valve Corporation. (2025, March 13). Surgeon Simulator VR: Meet The Medic on Steam. Steam Store.
- Valve Corporation. (2025, March 16). Mission Biotech on Steam. Steam Store.
- Valve Corporation. (2025, April 10). 小邦迪的奇妙冒险 on Steam. Steam Store.
- Valve Corporation. (2025, May 7). Life on the Edge on Steam. Steam Store.