Primeval Planet: Angimanation is a lewd sci-fi 2D side-scrolling action-horror adventure created by Dr. Linch/G-lair. The game became available on Steam 18th of July 2020, and on DLsite 16th of September 2020.

The Japanese name for the game is 原始行星：終戰天使 / Genshi wakusei: Shuusen tenshi.

In Angimanation, you play a young female named Ava Liberty, a member of the Angimanation scout squad. Forced to land on the dangerous planet “Kambrian”, Ava is met by vicious monsters who give her a brutal welcome to their home planet. Search for your lost team members and find Ava’s beloved Victoria Talent.

Angimanation is a horror survival eroge that includes 60 areas and more than one hundred custom scripted events, two base endings, two additional endings, and one extra secret ending. The hentai scenes involve things such as monsters, insects, and mutants.