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Orbiterr simulates gravity in a 2D universe. The game makes use of real world physics to create miniature solar systems and galaxies that obey the fundamental laws of nature.
Orbiterr has 2 game modes:
Mode 1) In the Orbiterr challenge game a player uses deflectors to stop objects crashing into the star or stars. As objects crash into the star its gravity increases due to its change in mass. If too many objects crash into the star it evolves into a different type of star. First a Red Giant then a Red Dwarf then a White Dwarf and finally a Blackhole before it goes supernova. The player is challenged to see how many rounds they can complete before they run out of deflectors or the star goes supernova.
Mode 2) The Galaxy Builder game. This mode is for players to set the scene and have fun trying to make single solar systems, galaxies or just crashing things into each other. There is no scoring its just for fun.