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Infestation: Origins

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About Infestation: Origins

Infestation: Origins is an episodic, four-player co-op survival horror game set in the 1980s. You and your fellow exterminators respond to what appears to be a vermin outbreak, only to find a more sinister infestation.

Investigate each infestation

Explore distinct locations to uncover how each infestation began and find ways to access new areas. Monitor activity and power systems to weaken the spread, then search for the source. You can spread out to treat an infestation faster or stay together for safety.

Treat and survive

Use extermination gear to subdue outbreaks, eradicate nests and fight the monstrous fiends lurking throughout each location. You may need to run, hide or help your friends as the infestation spreads. Each episode features a distinct classic character or urban legend responsible for the infestation, and you must prepare to face and eliminate that entity.

Play together or alone

You can play alone for an added challenge, host a private lobby with friends or join a public lobby. In-game positional and global voice chat let you communicate with your team.

Progress and replay

Randomized item layouts, unpredictable AI and contract variability provide changing conditions across missions. You gain experience and cash to unlock skins, perks, weapons and traps.

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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