Games like I Swear I Parked Here
Games like I Swear I Parked Here include PEAK, Blue Prince, Escape Simulator 2, R.E.P.O., and Portal. We matched them by the tags players give I Swear I Parked Here on Steam (Puzzle, Simulation, Comedy, Investigation, and First-Person): closest matches first, and among equally close ones the better-known games.

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

Blue Prince
Shared: Puzzle · Investigation · Exploration

Escape Simulator 2
Shared: Puzzle · Online Co-Op · First-Person

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

Portal
Shared: Puzzle · First-Person · Comedy

Who's Your Daddy?!
Shared: Comedy · Simulation · First-Person

Escape Simulator
Shared: Puzzle · First-Person · Online Co-Op

Gamble With Your Friends
Shared: Comedy · Online Co-Op · First-Person

Killer Frequency
Shared: Puzzle · Simulation · First-Person

Garry's Mod
Shared: First-Person · Simulation · Singleplayer

Shift At Midnight
Shared: Simulation · Online Co-Op · Comedy

Portal 2
Shared: Puzzle · Singleplayer · First-Person

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

Police Simulator: Patrol Officers
Shared: Simulation · Investigation · Online Co-Op

The Witness
Shared: Puzzle · First-Person · Exploration

Fast Food Simulator
Shared: Simulation · Online Co-Op · First-Person

The Stanley Parable
Shared: Comedy · First-Person · Indie

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

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

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

Slime Rancher
Shared: Singleplayer · Exploration · First-Person

Antichamber
Shared: Puzzle · First-Person · Singleplayer

Finnish Cottage Simulator
Shared: Simulation · First-Person · Online Co-Op

Thief Simulator
Shared: Simulation · Singleplayer · First-Person