STEAM CATALOGUE

Idle Primes

A cursed incremental horror game with PSX-style graphics. Find a strange CD-ROM, boot it on your bedroom computer, and click prime numbers to buy upgrades and automate the search, while something on the other side of the screen takes an interest in you. ████████████████████ Belphegor's ██████!

Store genres

Casual

Platforms

Windows

Upcoming release

View on Steam

Store metadata may change. Confirm current availability and requirements on Steam. Store genres are not community tags.