Games like Species: Unknown - Supporter Pack
Games like Species: Unknown - Supporter Pack include Lethal Company, Species: Unknown, Escape the Backrooms, Dead by Daylight, and Alien: Isolation. We matched them by the tags players give Species: Unknown - Supporter Pack on Steam (Horror, Online Co-Op, First-Person, Atmospheric, and Aliens): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · Online Co-Op · First-Person

Species: Unknown
Shared: Horror · Online Co-Op · First-Person

Escape the Backrooms
Shared: Horror · Online Co-Op · First-Person

Dead by Daylight
Shared: Horror · Online Co-Op · Survival Horror

Alien: Isolation
Shared: Horror · Survival Horror · Atmospheric

Nuclear Nightmare
Shared: Online Co-Op · Horror · First-Person

Dying Light
Shared: Horror · Online Co-Op · Survival Horror

Backrooms: Escape Together
Shared: Horror · Online Co-Op · Survival Horror

Outlast
Shared: Horror · First-Person · Atmospheric

The Outlast Trials
Shared: Horror · First-Person · Survival Horror

GTFO
Shared: Horror · Online Co-Op · Survival Horror

R.E.P.O.
Shared: Horror · Online Co-Op · First-Person

Pacify
Shared: Horror · Online Co-Op · First-Person

Inside the Backrooms
Shared: Horror · Survival Horror · Online Co-Op

Content Warning
Shared: Horror · Online Co-Op · Exploration

PANICORE
Shared: Horror · Online Co-Op · Survival Horror

Phasmophobia
Shared: Horror · Online Co-Op · First-Person

DEVOUR
Shared: Horror · Online Co-Op · Survival Horror

Aliens vs. Predator™
Shared: Horror · Aliens · Action

Left 4 Dead 2
Shared: Online Co-Op · Horror · Action

METRO 2033 Redux
Shared: Horror · Atmospheric · First-Person

BIGFOOT
Shared: Horror · Online Co-Op · Survival Horror

PEAK
Shared: Online Co-Op · First-Person · Atmospheric

METRO Last Light Redux
Shared: Atmospheric · Horror · First-Person