Real science, real physics, no supercomputer required.
Collide Planets & Stars
Epic, mind blowing collisions of massive planetary bodies that leave behind molten craters.
Create Your Own Systems
Start with a star, then add a planet.
Material System - build planets out of Hydrogen, Iron, Rock, & Water
Stellar flares & volatile trails
Procedurally generated planets, stars, & galaxies
Pulsars
Light-warping black holes
Epic space lasers
Shape oceans & mountains on planet surfaces
Spin planets apart with centrifugal force
Original soundtrack by Macoubre
Support for 20+ languages
Share & explore simulations on Steam Workshop
Spruce it up with moons, rings, comets, or even a black hole.
Supernova a Star
Watch a supernova unfold by colliding two stars, cranking up their mass, or making them explode at your whim.