Invaliens, Galaxy Defender. Invaders meets alien - Invaliens Your job is Defender of the Galaxy in this horizontal scrolling arcade shoot 'em up. Your ship has some serious fire power with neutron laser blasters, radar, proton shields, and smart bombs (the most powerful weapon in the known megaverse). And you'll need them all to defeat a million invaders from another dimension. Save the Megaverse in this retro arcade space game. Tactics :- 1. Keep moving and keep firing. 2. Save your smart bombs in early waves, you'll need them later. 3. Kill invaders before they mutate, afterwards they get faster, tougher, with even more firepower. 4. Keep an eye on the radar Controls :- Movement :- Arrow keys or WASD Laser :- Space bar, control, or mouse left Click Smart Bomb :- Shift Key, Z, mouse right click. Window mode - Alt & Enter.