Games like Jumpscare Simulator: System Breach
Games like Jumpscare Simulator: System Breach include Poppy Playtime, Inside the Backrooms, Outlast, SOMA, and Amnesia: The Dark Descent. We matched them by the tags players give Jumpscare Simulator: System Breach on Steam (Horror, Psychological Horror, Dark, Puzzle, and Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Puzzle · Dark

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

Outlast
Shared: Horror · Psychological Horror · Survival Horror

SOMA
Shared: Horror · Psychological Horror · Dark

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares II
Shared: Horror · Adventure · Puzzle

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares
Shared: Horror · Adventure · Dark

Visage
Shared: Horror · Psychological Horror · Dark

MiSide
Shared: Psychological Horror · Horror · First-Person

Outlast 2
Shared: Horror · Psychological Horror · Dark

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Walking Simulator

Garten of Banban 2
Shared: Horror · Psychological Horror · Puzzle

ROUTINE
Shared: Psychological Horror · Dark · Horror

MADiSON
Shared: Horror · Psychological Horror · Dark

Sally Face - Episode One
Shared: Psychological Horror · Horror · Dark

From The Darkness
Shared: Horror · Psychological Horror · Dark

Detention
Shared: Horror · Psychological Horror · Puzzle

Buckshot Roulette
Shared: Dark · Horror · Psychological Horror

Slender: The Arrival
Shared: Horror · Dark · Psychological Horror

Garten of Banban 3
Shared: Horror · Psychological Horror · Puzzle

Bendy and the Ink Machine
Shared: Horror · Puzzle · Dark

Five Nights at Freddy's
Shared: Horror · Psychological Horror · Survival Horror

Scorn
Shared: Horror · Puzzle · Dark