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Game · FPS & shooters

Cosmic Expansion

Cosmic Expansion is a shooter, available on Linux.

  • Completely free
  • Linux
  • Open source

At a glance

All of Cosmic Expansion is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

Weaknesses

  • Few recent updates

About

Cosmic Expansion is an exciting 2D space shooter where you take on the role of a seasoned space pilot tasked with destroying waves of enemy spaceships. Your goal is to defeat as many enemies as possible while avoiding enemy fire and mines. As you progress through the game, you will face off against powerful bosses that guard each stage. Defeating them upgrades your weapons, making you even stronger and ready to face the next wave of increasingly difficult enemies. Features: Fast-paced space combat Challenging enemy waves and powerful bosses Weapon upgrades after each boss fight Classic arcade-style shooter gameplay With action-packed levels and rewarding progression, Cosmic Expansion delivers a fun and engaging space shooter experience for fans of retro arcade games.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from LicitPro automatic classification () —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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