Controls for the game are WASD + Arrows to move space ship forwards backwards and left and right press X to shoot left laser, press Space Bar to shoot right laser, press C to shoot centre laser ball ( that has move power) and press V to shoot a shield out. Also you can control on a gamepad use D-PAD and Left Stick to move space ship, press Left Trigger (L2) to fire left laser, press Right Trigger (R2) to fire right laser, press Right Shoulder (R1) to fire centre laser ball and press Left Shoulder (L1) to fire shield.
Center attack (laser ball) has more power than Right and Left lasers and the shield Blast does not hurt enemies but blocks all lasers in front of it.