: As you defeat over 10 different types of alien spacecraft, they drop three types of currency used for permanent ship upgrades: Coins : Used to purchase and upgrade human-tech weapons. Alien Material : Used for advanced alien-tech weapons.

: Used to purchase passive buffs like increased fire rate and magnets for easier resource collection. Key Features

: Survive 32 aggressive alien waves across 8 colorful planets to secure a habitable world for humankind.