Creeper

It is a tentacle torture FPS game. Manipulate a mysterious tentacle creature and attack the female staff at a closed space station.
Avoid counterattacks from your prey, and carefully watch for opportunities while hiding under the floor or in the ceiling.
You can enjoy realistic torture by pistoning tentacles by operating the mouse or controller.
Furthermore, if you unlock various skills with the experience points you gain each time you ejaculation, you can hunt more smarter.