Complex sentence: Development on the game can be traced back to a 1994 prototype for the Sega Genesis, "Sonic Crackers", featuring Sonic and Tails, with which the developers experimented with the ring force bond physics.
Split into simpler sentences: Development on the game can be traced back to a 1994 prototype for the Sega Genesis, "Sonic Crackers". The prototype featured Sonic and Tails, and the developers experimented with the ring force bond physics.