Hardest Space Invaders game is a highly addictive classic arcade shooter game! Your alien shooting airplane or jet plane has to survive from the galaxy invasion attack! Shoot them down before they get to your ship and avoid all the deadly bullets shoot by those alien jet planes! Features: - Arcade gameplay similar to the classic space invaders! - Best with new and better gameplay compare to the classic space invaders! - Destroy the asteroids in the galactic sky to get awesome power-ups! - Buy powerful upgrades like extra shots, followers, shield, increase ship speed, extra life, etc! - Bonus stages and levels to get more cash and coins for upgrades! - Beat all the bosses such as the centipede boss that has devastating attacks! - World toughest and hardest space invaders shooting game ever! Download Hardest Space Invaders shooter game for free now and experience the retro arcade gameplay or classic Atari space invaders with exciting add-ons like power-ups, bosses, and more!