Games like Injection π23 'Ars Regia'
Games like Injection π23 'Ars Regia' include Escape the Backrooms, Resident Evil Requiem, Five Nights at Freddy's: Security Breach, Resident Evil 4, and Tomb Raider Game of the Year. We matched them by the tags players give Injection π23 'Ars Regia' on Steam (Action, Survival Horror, Adventure, Horror, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

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

Resident Evil Requiem
Shared: Survival Horror · Action · Horror

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

Resident Evil 4
Shared: Action · Survival Horror · Horror

Tomb Raider Game of the Year
Shared: Action · Adventure · Singleplayer

Rise of the Tomb Raider™
Shared: Action · Adventure · Singleplayer

Dead Space
Shared: Survival Horror · Horror · Psychological Horror

The Evil Within 2
Shared: Survival Horror · Horror · Action

Resident Evil 4 (2005)
Shared: Survival Horror · Action · Horror

Poppy Playtime
Shared: Horror · Survival Horror · Singleplayer

SILENT HILL: Townfall
Shared: Action · Adventure · Horror

Darkwood
Shared: Survival Horror · Horror · Adventure

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

Outlast
Shared: Survival Horror · Horror · Psychological Horror

Bendy and the Dark Revival
Shared: Action · Horror · Survival Horror

Tormented Souls
Shared: Survival Horror · Horror · Action

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

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

Resident Evil 2
Shared: Survival Horror · Horror · Action

UNCHARTED™: Legacy of Thieves Collection
Shared: Adventure · Action-Adventure · Action

Little Nightmares II
Shared: Adventure · Horror · Singleplayer

The Callisto Protocol™
Shared: Survival Horror · Horror · Action

Resident Evil 7 Biohazard
Shared: Survival Horror · Horror · Singleplayer

Warhammer 40,000: Space Marine 2
Shared: Action · Adventure · Action-Adventure