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From the developer
Official Steam announcements for this game
Save file load fix - 3rd January 2023
Happy new year to everyone. The new version addresses the various corrupt save errors triggered on some save files All version should load and save properly now.
4y ago
Update notes for 31 Dec 2022
Hello everyone, At the suggestion of a community member we've update the PC version to the one running on a different platform. We also added full Steam Input support for controllers so the game can be played on the Steam Deck too. Enjoy and happy new year!
4y ago
Update #1 going live shortly
An update is being processed right now. Besides small fixes (running properly on screens with DPI Scaling, fixing the Caveman achievement unlock) we have tweaked the graphics engine and it should allow more graphics cards to run the game.
10y ago
About
Radiation Island is a survival adventure game where you craft your own destiny in a huge open world environment. As part of the Philadelphia Experiment you have become stranded in a parallel, alternate reality. Discover this new and mysterious world, with all its surprises.