Demo

Idle Primes Demo

Released Jun 1, 2026by ipipNo user reviews(Steam reviews)

A horror incremental game about clicking prime numbers across expanding grids. Discover new ways to find primes faster, smarter, and weirder. ████████████████████ Belphegor's ██████!

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About Idle Primes Demo

Idle Primes is a horror incremental game about discovering primes across expanding grids of numbers.

Start by manually clicking prime numbers and gradually unlock new ways to find them. Use primes as currency to buy powerful upgrades, automate discoveries, and develop increasingly strange methods for searching the grid.

Features:

  • Search for prime numbers across dynamic number grids

  • Unlock automation systems and powerful upgrades

  • Discover new mechanics that change how primes are found

  • Satisfying incremental progression with retro-futuristic vibes

  • ████████████████████ Belphegor's ██████

Game details

Game details

Released
Developer
Publisher
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Steam rating
No user reviews

Age ratings

IGRS 18DEJUS 10STEAM_GERMANY 6

Game modes

Features

System requirements

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: 7
  • Processor: Intel i3+
  • Memory: 2 GB RAM
  • Graphics: Nvidia 450 GTS / Radeon HD 5750 or better
  • Storage: 250 MB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • OS: 10
  • Processor: Intel i5+
  • Memory: 4 GB RAM
  • Storage: 250 MB available space