Games like Wally The Seal 2
Games like Wally The Seal 2 include Five Nights at Freddy's: Security Breach, Escape the Backrooms, Lethal Company, Outlast, and Resident Evil 7 Biohazard. We matched them by the tags players give Wally The Seal 2 on Steam (Survival Horror, Horror, Exploration, 3D Platformer, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Multiple Endings

Escape the Backrooms
Shared: Horror · Survival Horror · Psychological Horror

Lethal Company
Shared: Horror · Survival Horror · First-Person

Outlast
Shared: Horror · Survival Horror · First-Person

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · First-Person

Poppy Playtime
Shared: Horror · Survival Horror · First-Person

SOMA
Shared: Horror · Survival Horror · Psychological Horror

Resident Evil Village
Shared: Survival Horror · Horror · First-Person

Garten of Banban
Shared: Horror · First-Person · Survival Horror

September 7th
Shared: Horror · Exploration · 3D Platformer

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

Inside the Backrooms
Shared: Horror · Survival Horror · Exploration

Outlast 2
Shared: Horror · Survival Horror · First-Person

Slender: The Arrival
Shared: Survival Horror · Horror · First-Person

Backrooms: Escape Together
Shared: Horror · Survival Horror · Psychological Horror

The Beast Inside
Shared: Horror · Survival Horror · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · First-Person · Exploration

Visage
Shared: Horror · Survival Horror · Psychological Horror

SILENT HILL 2
Shared: Horror · Survival Horror · Psychological Horror

Subnautica 2
Shared: Horror · Exploration · Survival Horror

Pacify
Shared: Horror · Survival Horror · Exploration

Dark Deception
Shared: Horror · Survival Horror · First-Person

The Forest
Shared: Horror · Survival Horror · Exploration

Resident Evil Requiem
Shared: Survival Horror · Horror · First-Person