Games like Super Sus
Games like Super Sus include Among Us, PUBG: BATTLEGROUNDS, Bloons TD 6, R.E.P.O., and Feign. We matched them by the tags players give Super Sus on Steam (Multiplayer, Online Co-Op, Social Deduction, Space, and Survival): closest matches first, and among equally close ones the better-known games.

Among Us
Shared: Multiplayer · Online Co-Op · Social Deduction

PUBG: BATTLEGROUNDS
Shared: Multiplayer · Survival · Online Co-Op

Bloons TD 6
Shared: Multiplayer · Online Co-Op · 3D

R.E.P.O.
Shared: Online Co-Op · Multiplayer · 3D

Feign
Shared: Multiplayer · Online Co-Op · Social Deduction

Liars Bar
Shared: Multiplayer · Online Co-Op · Funny

Don't Starve Together
Shared: Multiplayer · Survival · Online Co-Op

First Class Trouble
Shared: Social Deduction · Multiplayer · Survival

Party Animals
Shared: Multiplayer · Funny · Online Co-Op

Marvel Rivals
Shared: Multiplayer · Online Co-Op · 3D

Pummel Party
Shared: Multiplayer · Online Co-Op · Funny

MECCHA CHAMELEON
Shared: Multiplayer · Online Co-Op · Funny

HELLDIVERS™ 2
Shared: Online Co-Op · Multiplayer · Space

Left 4 Dead 2
Shared: Multiplayer · Online Co-Op · Co-op

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

Once Human
Shared: Multiplayer · Survival · Co-op

RV There Yet?
Shared: Multiplayer · Online Co-Op · Funny

Dale & Dawson Stationery Supplies
Shared: Multiplayer · Social Deduction · 3D

Among Us 3D: VR
Shared: Multiplayer · Social Deduction · 3D

LOCKDOWN Protocol
Shared: Multiplayer · Social Deduction · Space

Overcooked! 2
Shared: Multiplayer · Online Co-Op · Co-op

Witch It
Shared: Multiplayer · Online Co-Op · Funny

DayZ
Shared: Online Co-Op · Multiplayer · Survival

Valheim
Shared: Online Co-Op · Multiplayer · Survival