Recommended settings: Crazy planet/star: do not move planets, mass1=25, mass2=300, xaccel1=0, yaccel1=15, xaccel2=0, yaccel2=-0.1, pen=yes. Double planets: do not move planets, mass1=100, mass2=100, xaccel1=0, yaccel1=3.2, xaccel2=0, yaccel2=-3.2, pen=yes. Update: Touching the edge no longer affects a planet's path.
Game made by Simsomsim. Teensy help from me_da_mep. Based on something we did in science class. Comment to help make the game better!