Best Outbreak Sim Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated outbreak sim games. For those who prefer not to search, lists of the most played, top deals outbreak sim games are available at the bottom of the page.
Most played outbreak sim games on Steam
Take a look at the top outbreak sim games that are currently attracting the largest player bases on the Steam platform, as of June 14th 2025.
1. Plague Inc: Evolved
Plague Inc: Evolved is a unique mix of high strategy and terrifyingly realistic simulation. Your pathogen has just infected 'Patient Zero' - now you must bring about the end of human history by evolving a deadly, global Plague whilst adapting against everything humanity can do to defend itself. Plague Inc: Evolved is a strategy, simulation and outbreak sim game developed and published by Ndemic Creations. Released on February 18th 2016 has received 55,664 reviews of which 52,571 were positive and 3,093 were negative resulting in an impressive rating of 9.3 out of 10. The game has hit the top spot as the #1 most played outbreak sim game, thanks to its 896 peak concurrent players over the last day.2. 60 Seconds!
60 Seconds! is a dark comedy atomic adventure of scavenge and survival. Collect supplies and rescue your family before the nuke hits. Stay alive in your fallout shelter. Make difficult decisions, ration food and hunt mutant cockroaches. And maybe survive. Or not. 60 Seconds! is a turn-based tactics, exploration and choose your own adventure game developed and published by Robot Gentleman. Released on May 25th 2015 has received 11,517 reviews of which 9,749 were positive and 1,768 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #2 spot among the most played outbreak sim games.3. Bio Inc. Redemption
Bio Inc.: Redemption is a realistic simulation and strategy game in which you make life or death decisions. Create a deadly illness to infect and torment your victim or play as the head of a medical team and hopefully find a cure to save your human patient. Will you be the plague or preserve humanity? Bio Inc. Redemption is a medical sim, outbreak sim and simulation game developed and published by DryGin Studios. Released on March 08th 2018 has received 2,307 reviews of which 2,058 were positive and 249 were negative resulting in a rating of 8.5 out of 10. The game currently holds the #3 spot among the most played outbreak sim games.4. Infectonator 3: Apocalypse
A campy, crazy pixelart zombie apocalypse arcade sim where you're the bad guy. Drop your virus and spread it across the globe while you unlock a whole horde of bizarre undead to do your bidding. Infectonator 3: Apocalypse is a outbreak sim, indie and zombies game developed by Toge Productions and published by Armor Games Studios. Released on May 10th 2018 has received 1,136 reviews of which 943 were positive and 193 were negative resulting in a rating of 7.9 out of 10. The game currently holds the #4 spot among the most played outbreak sim games.5. Galacticare
Build, manage and optimise intergalactic hospitals! Recruit staff to satisfy the whims of various alien species, and cure their bizarre illnesses - for money! Save the (literal) Galaxy in story mode, or head into sandbox to design the hospital of your dreams. Galacticare is a story rich, casual and medical sim game developed by Brightrock Games and published by Mythwright. Released on May 23rd 2024 has received 570 reviews of which 503 were positive and 67 were negative resulting in a rating of 8.3 out of 10. The game currently holds the #5 spot among the most played outbreak sim games.6. The Fabulous Fear Machine
The Fabulous Fear Machine is a narrative-driven strategy game with a pulp horror style. As the Machine's new Master, you must sow fear and expand your influence by creating Legends, harvesting resources, manipulating events, and spying on your enemies. The Fabulous Fear Machine is a outbreak sim, horror and indie game developed by Fictiorama Studios and published by AMC Games. Released on October 04th 2023 has received 518 reviews of which 468 were positive and 50 were negative resulting in a rating of 8.4 out of 10. The game currently holds the #6 spot among the most played outbreak sim games.Best deals on outbreak sim games on Steam
Discover fantastic savings with the best discounts on a variety of outbreak sim games available on Steam right now, updated on June 14th 2025. Looking for even more deals? Use the search filters to explore a wider range of discounted outbreak sim games.