Free Medical Sim Games on Steam
Steam currently has 265 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 10/29/2025.
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 584 reviews on Steam. This breaks down to a total of 372 positive reviews and 212 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 49, placing it in the #2 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 126 reviews on Steam. This breaks down to a total of 62 positive reviews and 64 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 716 reviews on Steam. This breaks down to a total of 554 positive reviews and 162 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. 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 61, placing it in the #4 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 86 reviews on Steam. This breaks down to a total of 56 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.
5. Evenicle 2 - Clinical Trial Edition
Doctor, it's an emergency! A terrible pandemic has struck the world, and only the healing power contained in the incredible "syringe" between your legs can save it! Depart on a epic journey to cure all the pretty girls of the world... one "shot" at a time.
Evenicle 2 - Clinical Trial Edition has achieved a Player Score of 74, placing it in the #5 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 238 reviews on Steam. This breaks down to a total of 189 positive reviews and 49 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 Evenicle 2 - Clinical Trial Edition on the Steam Deck.
6. 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 71, placing it in the #6 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 15 reviews on Steam. This breaks down to a total of 13 positive reviews and 2 negative reviews — making it "Positive" on Steam.
It can be played and ran on both Windows and Mac systems. At the moment, it is possible to play 小邦迪的奇妙冒险 on the Steam Deck (though some functionality may be limited).
7. atomica
Atomica is a 3D exploration game where you walk across the surfaces of proteins, discover ligands, and experience the nanoscale world as an immersive landscape.
atomica has achieved a Player Score of 43, placing it in the #7 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 6 reviews on Steam. This breaks down to a total of 2 positive reviews and 4 negative reviews — making it "6 user reviews" 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 | 10/7/2025 |
| Developer | Steven R Ness |
| Publisher | Steven R Ness |
| Steam App Id | 4023460 |
8. Kellogg's Gut Bacteria Reef
Explore the human gut like never before!
Kellogg's Gut Bacteria Reef 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 49 reviews on Steam. This breaks down to a total of 41 positive reviews and 8 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.
9. Cells of Immunity
Become a young white blood cell in training and learn how they mature and fight against invading pathogens. Team up with other types of cells, with unique strengths and weaknesses, and overcome disease for good. To serve and protect the human body at all costs.
Cells of Immunity has achieved a Player Score of 63, placing it in the #9 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 17 positive reviews and 7 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 | 8/20/2022 |
| Developer | Nova Empyrean |
| Publisher | Nova Empyrean |
| Steam App Id | 1825150 |
10. SimShock2025
SimShock2025 is a free, bilingual (EN/ES) hemodynamic shock simulator. Treat cardiogenic, hemorrhagic, and septic shock using real drugs and interventions. Written in PureBasic, available for Mac and Windows. Apple-signed and notarized.
SimShock2025 has achieved a Player Score of 60, placing it in the #10 spot for the best free Medical Sim games. Its score was calculated by analyzing a total of 7 reviews on Steam. This breaks down to a total of 5 positive reviews and 2 negative reviews — making it "7 user reviews" 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 | 5/28/2025 |
| Developer | Pablo Kessler Saiz |
| Publisher | Pablo Kessler |
| Steam App Id | 3704810 |
More Free Medical Sim Games
Explore even more rankings for the 36 best free Medical Sim games available on Steam.
| Image | Name | Actions | ||||
|---|---|---|---|---|---|---|
| 73 | 6/22/2018 | 62 | Free | Steam Charts | |
| 12 | 7/17/2019 | 49 | Free | Steam Charts | |
| 5 | 12/9/2021 | 74 | Free | Steam Charts | |
| 4 | 5/25/2023 | 61 | Free | Steam Charts | |
| 1 | 8/17/2020 | 74 | Free | Steam Charts | |
| 1 | 3/28/2021 | 71 | Free | Steam Charts | |
| 1 | 10/7/2025 | 43 | Free | Steam Charts | |
| 1 | 7/5/2021 | 73 | Free | Steam Charts | |
| 1 | 8/20/2022 | 63 | Free | Steam Charts | |
| 1 | 5/28/2025 | 60 | Free | Steam Charts | |
 | 1 | 6/17/2022 | 80 | Free | Steam Charts | |
 | 1 | 11/21/2024 | 80 | Free | Steam Charts | |
 | 1 | 5/2/2022 | 69 | Free | Steam Charts | |
 | 1 | 11/17/2021 | 67 | Free | Steam Charts | |
 | 1 | 5/2/2025 | 75 | Free | Steam Charts | |
 | 1 | 7/8/2024 | 62 | Free | Steam Charts | |
 | 1 | 12/2/2017 | 75 | Free | Steam Charts | |
 | 1 | 11/24/2023 | 69 | Free | Steam Charts | |
 | 1 | 8/21/2020 | 77 | Free | Steam Charts | |
 | 1 | 2/27/2025 | 73 | 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, October 29). Steam Store. Steam Store.
- Valve Corporation. (2025, October 29). Fun Hospital on Steam. Steam Store.
- Valve Corporation. (2025, October 23). 3D Organon on Steam. Steam Store.
- Valve Corporation. (2025, November 10). Pet idle on Steam. Steam Store.
- Valve Corporation. (2024, October 12). 星际战线 on Steam. Steam Store.
- Valve Corporation. (2025, October 14). Evenicle 2 - Clinical Trial Edition on Steam. Steam Store.
- Valve Corporation. (2025, September 28). 小邦迪的奇妙冒险 on Steam. Steam Store.
- Valve Corporation. (2025, October 11). atomica on Steam. Steam Store.
- Valve Corporation. (2025, October 3). Kellogg's Gut Bacteria Reef on Steam. Steam Store.
- Valve Corporation. (2025, October 19). Cells of Immunity on Steam. Steam Store.
- Valve Corporation. (2025, September 29). SimShock2025 on Steam. Steam Store.