Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. It's an indie simulation game released in 2015. Build factories that assemble products for your alien overlords, and try not to die in the process.
Updated on September 20, 2021.
The game is very lightweight to run; all new laptops can play Infinifactory.
Every new laptop meets the RAM requirement of 2gb.
Also, note that at least 1.5gb of hard drive space is required.