Stand your ground in wave after wave of enemies in this unique twist on the classic arcade shooter. Gravity plays a role in many of the stages, back holes affect projectiles (both yours and the enemies) adding a new level to the gameplay. Use Arrows Keys to Move and Left Mouse Button To Aim and Shoot. PHEW SPACE SHOOTER, arcade shooter, space shooter, gravity shooter, black hole shooter, 2D shooter, free download, retro game, shooting game, action game, space game, wave shooter, challenging gameplay, strategic shooter, arrow keys, left mouse button, space battle, galaxy shooter, arcade game