Since the first manned missions into space, entertainment has constantly been a struggle. Space madness is common. RigidBody Tech’s line of entertainment products can help stem the psychotic effects of prolonged space travel. Consider adding Rigid Chess - a futuristic, interplanetary themed novelty Chess Set that includes the following features:6 levels of difficulty to challenge yourself against our AI Opponent Chess Engine,Modes include Player Vs. Player, Player Vs. Engine, and even Engine Vs.