Rainbow Frontline: Retro Shooter in Vibrant Galaxy | Play Free

Take control of your spaceship using keyboard arrow keys/WASD (desktop) or virtual joystick (mobile). Press SPACE BAR to fire continuously. Destroy enemies to collect coins for ship upgrades. Strategize around each level's color theme—each shade introduces new challenges and alien types. Watch for showering meteors during boss fights! Earn bonus coins via rewards (optional ads) to boost damage or activate invincibility shields. Survive longer to set new high scores and unlock all rainbow stages!