Games like Gaslighters
Games like Gaslighters include Road 96, Road 96: Mile 0, Amanda the Adventurer 2, Five Nights at Freddy's: Security Breach, and Amanda the Adventurer 3. We matched them by the tags players give Gaslighters on Steam (Choose Your Own Adventure, Exploration, Outbreak Sim, Interactive Fiction, and First-Person): closest matches first, and among equally close ones the better-known games.

Road 96
Shared: First-Person · Choose Your Own Adventure · Multiple Endings

Road 96: Mile 0
Shared: Choose Your Own Adventure · Exploration · Interactive Fiction

Amanda the Adventurer 2
Shared: Interactive Fiction · Choose Your Own Adventure · Exploration

Five Nights at Freddy's: Security Breach
Shared: First-Person · Exploration · Multiple Endings

Amanda the Adventurer 3
Shared: Choose Your Own Adventure · Interactive Fiction · Exploration

Amanda the Adventurer
Shared: First-Person · Mystery · Interactive Fiction

Firewatch
Shared: Exploration · First-Person · Adventure

Your Turn To Die -Death Game By Majority-
Shared: Choose Your Own Adventure · Multiple Endings · Interactive Fiction

What Remains of Edith Finch
Shared: Exploration · First-Person · Mystery

The Stanley Parable
Shared: First-Person · Exploration · Psychological

PEAK
Shared: Exploration · First-Person · 3D

Outer Wilds
Shared: Exploration · Mystery · Adventure

60 Seconds!
Shared: Choose Your Own Adventure · Exploration · Outbreak Sim

CARIMARA: Beneath the forlorn limbs
Shared: Exploration · Mystery · 3D

Until Dawn™
Shared: Choose Your Own Adventure · Multiple Endings · Interactive Fiction

Breakout 13
Shared: Choose Your Own Adventure · Exploration · Interactive Fiction

Blue Prince
Shared: Exploration · Mystery · First-Person

The Forgotten City
Shared: Exploration · Mystery · Adventure

Pentiment
Shared: Interactive Fiction · Exploration · Choose Your Own Adventure

Amnesia: A Machine For Pigs
Shared: Exploration · First-Person · Interactive Fiction

The Test
Shared: Choose Your Own Adventure · Multiple Endings · Psychological

Gone Home
Shared: Exploration · First-Person · Indie

Slime Rancher
Shared: Exploration · First-Person · Adventure

The Exit 8
Shared: Exploration · First-Person · 3D