Guide a brave bacteria to rescue his fiancée Zoe from the creatures of the immune system, using an arsenal of organic weapons and unique abilities.
We are not affiliated with IsThereAnyDeal.
"The greatest infection in the world is love."
Gaylord took that phrase very seriously when, during his wedding, a giant syringe interrupted the ceremony and abducted all his friends and his fiancée, Zoe...
"A small infection in a needle" - the doctors said... but they had no idea what a true SIMP could do.
Travel throughout the human body, annihilating hordes of enemies and overcoming normal obstacles and traps. A leg? An eye? The rectum? Of course!
Face numerous enemies, from simple Slimes, macrophages, and proteins to a dangerous tapeworm!
Enjoy over 20 weapons, 10 items, and 5 different buildings to customize your build and destroy the human body!
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
"The greatest infection in the world is love."
Gaylord took that phrase very seriously when, during his wedding, a giant syringe interrupted the ceremony and abducted all his friends and his fiancée, Zoe...
"A small infection in a needle" - the doctors said... but they had no idea what a true SIMP could do.
Travel throughout the human body, annihilating hordes of enemies and overcoming normal obstacles and traps. A leg? An eye? The rectum? Of course!
Face numerous enemies, from simple Slimes, macrophages, and proteins to a dangerous tapeworm!
Enjoy over 20 weapons, 10 items, and 5 different buildings to customize your build and destroy the human body!
Guide a brave bacteria to rescue his fiancée Zoe from the creatures of the immune system, using an arsenal of organic weapons and unique abilities.
We are not affiliated with IsThereAnyDeal.
Steam data © 2025 Valve Corporation. Steam and the Steam logo are trademarks and/or registered trademarks of Valve Corporation in the U.S. and/or other countries. Independent of Valve. Pricing and availability subject to change.
