Left 
 Thrust 
 Right 
 Torpedo 
  
 Left 
 Thrust 
 Right 
 Torpedo 
iSpacewar!
The world's first video game (1962's 'Spacewar!') running on a simulation of one of the world's first commercially produced computers (DEC's PDP-1) with added touch controls and sizing for modern play. Maneuver with retros & thruster, avoid star's gravity, Left+Right risks Hyperspace, fuel & torpedos are limited. Bedno.com/spacewar/about