Narrow hallways are your best friend for bottlenecking large swarms. Galaxy Attack: Alien Shooter (Mobile Version)
Many walls can be destroyed to reveal hidden rooms containing weapons, ammo, or money.
In Hard mode, minions glowing red-purple are explosive and will launch after-attacks when defeated.
This guide covers the original 2003 PC classic by Sigma Team, as well as the popular mobile reimagining Galaxy Attack: Alien Shooter . Alien Shooter (Original PC Version)
Recommended for new players to gather stones, crystals, and drone tickets.