Free online 3D dice roller with realistic physics simulation
A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Stage
Not given
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Founded
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Based in
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Pricing model
Free
Freemium
Pricing
Not given
Free with no ads; optional Supporter: $2.99/mo, $19.99/yr, or $29.99 lifetime; time crystal packs: $1.99 (Skip a night), $4.99 (Skip a wall), $9.99 (Skip a week)
Key features
Physics engine simulates realistic dice bouncing and settling
Hold button to charge bigger throws
Shake phone to roll dice
Double-tap to lock dice for rerolls
18 material styles including crystal, opal, and galaxy
Polyhedral dice D4 to D100 for RPGs
Create custom dice with text, emoji or photos
Works offline after first visit
Roll history saved locally on device
13.8 billion year cosmic timeline from Big Bang to interstellar civilization
118 sourced research cards with scientific citations
12 game eras spanning Cosmos, Life and Civilization
16 different endings
12 civilization channels inspired by science fiction and real concepts
Playable on phone, desktop and iPad with cloud save sync
Installable on phone home screen for offline play
No ads and completely free to play
1,400+ nodes each grounded in real science with sources
Physics-accurate simulation where 1 light-year equals 1 real hour
What makes it different
Realistic physics simulation with random spin and natural settling
No sign-up, no download, works in any browser
Works in 11 languages globally
Privacy-first design with data staying on your device
Ready-made dice for 20+ games and activities
Every scientific claim cites real sources with year, researcher and publication
Hard sci-fi design where physics and signal times follow real scientific laws
Completely free with no ads, payment optional and never pay-to-win
Invented game lore clearly separated and labeled apart from real science basis
Curated collection of 24+ open-source astronomy, physics and biology projects
3DRoll
Cosmos Era