Defend your planet from waves of enemies in this 2D space shooter! Destroy your enemies, survive each new wave, and choose upgrades to grow stronger. The longer you survive, the higher your score. Try to beat your own record and discover how far you can go!

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About This Game

THE LAST LINE OF DEFENSE

In Centauri B, you are the only pilot standing between the planet and the invasion. Wave after wave, an enemy fleet pushes through space toward the surface. Every ship that slips past you wears down the planet's shield. If the shield falls, everything falls with it.

Shoot, dodge, and hold the line until the final assault.


BUILD YOUR ARSENAL

Before each run, prepare your ship at the command satellite. Choose your laser and build a deck with the upgrades that fit your playstyle.

After every wave you clear, play a card from your hand. Each upgrade you use comes back stronger, up to its maximum level. Discover combinations and turn the horde into easy targets.


FACE THE IMPOSSIBLE

Enemies evolve with every wave: platforms that land and open fire, mines that hunt your ship, homing missiles, and ships that are armored, erratic, or split apart when destroyed.

And among them, colossal bosses rise. An alien predator charges with its jaws wide open, spits missiles and mines, and changes tactics as it weakens. Learn each boss's patterns and survive.


System Requirements

Windows
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10
    • Processor: Intel Core i3-6100 / AMD Ryzen 3 1200
    • Memory: 4 GB RAM
    • Graphics: Intel HD Graphics 530 / AMD Radeon R7 240 / NVIDIA GeForce GT 730
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectX compatible sound card
    • Additional Notes: Requires a 64-bit processor and operating system.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 version 21H1 or newer / Windows 11, 64-bit
    • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 750 Ti / AMD Radeon RX 550 / Intel UHD Graphics 630
    • DirectX: Version 11
    • Storage: 1 GB available space
    • Sound Card: DirectX compatible sound card
    Minimum:
    • OS: SteamOS 3 (Steam Deck), 64-bit
    • Processor: x86-64 processor
    • Graphics: Vulkan-compatible graphics
    • Storage: 1 GB available space
    • Additional Notes: Native Linux build. Tested on Steam Deck (SteamOS). Requires a 64-bit processor and operating system.
    Recommended:
    • OS: SteamOS 3 (Steam Deck), 64-bit
    • Processor: Steam Deck AMD APU - Zen 2, 4 cores / 8 threads
    • Memory: 16 GB RAM
    • Graphics: Steam Deck GPU - 8 RDNA 2 CUs
    • Storage: 1 GB available space
    • Additional Notes: Steam Deck is the tested reference configuration for the native Linux build.