Mars Attracts, the eagerly awaited extraterrestrial park simulation game, has officially entered Steam Early Access today, bringing its unique blend of alien mischief and theme park management to PC gamers worldwide.
Aspiring extraterrestrial entertainment moguls must master the art of human abduction, execute bizarre scientific research, satisfy alien visitors through both spectacle and mayhem, and manage inevitable human breakout attempts. Players who experienced the Mars Attracts preview build will discover extensive new content in this Early Access launch, featuring fresh environments, objectives, structures, and personalities.
Dedicated enthusiasts can also secure the exclusive Collector’s Edition, which features a comprehensive 60-minute development documentary, the complete musical score, and an extensive 56-page visual compendium filled with exclusive concept artwork, illustrations, and character designs. Collector’s Edition owners will also unlock an additional human habitat and exclusive character – the Space Age specimen!
The Early Access period for Mars Attracts is projected to span approximately nine months, with development following a community-driven methodology. Players can influence upcoming features and modifications to current systems via the developer’s Discord community. This feedback will significantly impact the development timeline, as the Outlier development team prioritizes community input in creating the ultimate alien entertainment experience.
During Mars Attracts’ development, Outlier received valuable support from Northern Ireland Screen and the Government of Ireland.
About Mars Attracts
Mars Attracts delivers an extraterrestrial twist on theme park management simulation, casting players as the invading aliens from the Mars Attacks™ universe. Gamers will construct entertainment facilities, recruit and develop alien staff, satisfy visitor demands, and crucially – capture humans throughout history to feature as primary attractions!
Mars Attracts merges the sophisticated mechanics and comprehensive management systems beloved by enthusiasts of titles like Roller Coaster Tycoon, Theme Hospital, and Zoo Tycoon with the retro-futuristic, sci-fi B-movie aesthetic and wickedly playful humor characteristic of this iconic franchise.
Mars Attracts debuted in 2024 with a preview trailer that garnered over 1 million YouTube views. The demonstration version showcased during Steam Next Fest in June 2025 became extremely popular among both players and content creators. The full Early Access version launched in September 2025.
Key Features:
- Alien Park Management – Design and operate the galaxy’s most notorious human zoo
- Historical Human Collection – Abduct specimens from different time periods
- Extraterrestrial Staff Management – Hire and train your alien workforce
- Visitor Satisfaction Systems – Keep alien tourists entertained and spending
- Escape Prevention Protocols – Manage security to prevent human breakouts
- Community-Driven Development – Shape the game’s future through player feedback
