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87% positive of 257 · Very Positive · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
Mars Attracts is a park management sim set in the iconic universe of Mars Attacks™. Play as the devious Martians as you construct detailed enclosures, manage staff, and most importantly - abduct and experiment on humans for the entertainment of your Martian guests!
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 87% on 2026-11-01 → 87% today (257 reviews)
Works, but may need extra effort. Results from Valve's own testing.
Valve hasn't published test details for this game.
4 items on Steam, newest first.




Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
It’s been a month since the 1.0 Mars Attracts landed on Steam, so we thought it was time for a little update. This time we’ve added a brand new human enclosure – the stone age! To mark the occasion, Mars Attracts is now on sale for a 25% discount. Those who pl…
This update fixes a number of issues that were present in the 1.0 release version of Mars Attracts, including: Fixes to a number of related bugs with Janitor task prioritisation, and fixed an issue where certain trash items weren't being picked up. Fixed a bug…
This hotfix resolves a number of issues identified by player feedback, including: Lazy janitors – our maintenance staff had been noted to be seriously slacking off. This had a few separate causes, including general pathfinding hiccups and a bug that prevented …
- Fixed Tier 5 research not unlocking - Fixed repeated trash notifications
Small update to address some issues identified via player feedback: - Fix for humans escaping by walking through closed gates instead of destroying a wall - Fix for guests sometimes getting stuck in place with no task/state - Fix for USSR sauna having negative…
It’s update time again for Mars Attracts, and this time we have a big one for you! This latest update makes significant changes to how research works, how humans and guests behave, as well as making tweaks to the elements of the game that players were struggli…
If you've been following the Outlier socials you'll know that alongside Mars Attracts we have been working away on our latest project - Kitman! Kitman is a 1-4 player job simulator set in the backrooms of a soccer stadium. Run the team by running the locker ro…
Студия Outlier выпустила из раннего доступа Steam полную версию сатирического симулятора Mars Attracts, созданного по официальной лицензии вселенной Mars Attacks компании The Topps Company. Полноценный релиз под номером 1.0 состоялся 24 сентября 2026 года - ро…
The big one is finally upon us: After a year of Early Access, the 1.0 version of Mars Attracts is out now! This has been a long journey across three years of development and another year of Early Access. We're delighted to launch the full game, along with a 25…
Only 3 days to go until 1.0! 🤯After a full year in Early Access, the 1.0 version of Mars Attracts lands on Steam on September 24, 2026!We’ve spent the past year shaping our twisted alien park management sim around your feedback, and the full game is finally r…
The 1.0 release for Mars Attracts arrives on September 24, and with that big day only a week away, we’re taking a look back at some of the recent changes we’ve made following feedback we received during Early Access. Balance is Key Balancing a game like Mars A…
After a year of Early Access, the 1.0 version of Mars Attracts is hitting Steam on September 24, 2026! We’ve spent the last twelve months developing our twisted park management sim in response to fan feedback, and the full game is ready to make its grand entra…
We've been working hard on lots of new features and improvements for the 1.0 launch of Mars Attracts! The next update is a big one, with a new map, the highly requested Sandbox mode, park marketing, performance and character AI improvements, balance changes, a…
When we started looking at how we could improve the behaviour of humans and guests during Early Access, we realised that our employees were still mostly just getting on with their jobs without much of an opportunity to develop their own personalities or abilit…
Maybe the biggest questions we get asked, aside from why we made a Mars Attacks game, is HOW did we manage to secure the licence to make an IP-based game as a small indie studio? We made a video all about this topic, in the hopes of explaining how and why an I…
The team that brought you Mars Attracts and This Means Warp have some big news: The announcement trailer for our brand new game just went live!Kitman is a soccer-themed, multiplayer job sim which sees the player take on the role of a cheerful little caretaker.…
We often get asked what exactly inspired us to start making the game that would ultimately become Mars Attracts. The simple answer is that our game began with a simple idea - what if you were aliens building a theme park filled with human captives? Starting fr…