Spacejack a UFO and turn alien tech against its owners across 49 action-packed stages. Use black holes, nukes, slow-mo, and more to survive escalating waves and save the planet.

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About This Game

WHAT WOULD YOU DO IN A UFO INVASION?

HOW ABOUT SPACEJACK A UFO AND TURN ALIEN TECH AGAINST THEM!

Take control, power up, and push back waves of space aliens in a fast, stage-based arcade fight for Earth. Blast through 49 stages of intensifying action as threats stack up and the sky gets meaner.

Drop a black hole to pull enemies into a vortex, nuke ’em back to the Stone Age, or flip the odds with slow-mo and invincibility when things get out of hand.

Health boosts, speed boosts, and weapon upgrades keep you evolving, while Swarm Time and Asteroid Alerts force you to adapt on the fly. Save the planet—one wave at a time.

Features

  • 49 stages of intensifying action

  • Waves of space aliens to fight off

  • Space-age power-ups: black holes, nukes, slow-mo, and invincibility

  • Health, speed, and weapon upgrades

  • Swarm Time events and Asteroid Alerts hazards

  • Gamepad support

System Requirements

Windows
macOS
SteamOS + Linux
    Minimum:
    • OS: Windows 10 and later versions
    • Processor: Dual Core 1.6 GHz or better
    • Memory: 2 GB RAM
    • Graphics: DX11 with feature level 9.3 capabilities
    • DirectX: Version 11
    • Storage: 500 MB available space
    Minimum:
    • OS: macOS 11 (Big Sur) or later
    • Processor: Dual Core 1.6 GHz or better
    • Memory: 2 GB RAM
    • Graphics: OpenGL 3.2+
    • Storage: 500 MB available space
    Minimum:
    • OS: Ubuntu 22.04
    • Processor: Dual Core 1.6 GHz or better
    • Memory: 2 GB RAM
    • Graphics: OpenGL 3.2+
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