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Cosmic Coliseum

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About Cosmic Coliseum

Cosmic Coliseum is an action-shooter roguelite about fighting through a Galactic Gladiator Tournament. You choose a champion and survive wave after wave of combat as The Overlords send alien hordes into the arena.

Grow stronger

Enemies you defeat provide XP. Level up to access a wide range of upgrades that unlock advanced weapons and enhance your abilities. Defeating Overlord Champions also grants access to special bonus power-ups.

Champions and arenas

Choose from a range of characters, weapons and unique secondary skills. Collect cash to spend at the Arena Shop, and accumulate meta-currency with each kill to purchase weapons and characters. Defeat each Overlord Boss to unlock the next arena, then combine your skills and abilities as you fight toward victory.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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