Games like Aooni
Games like Aooni include Tales of the Black Forest, Poppy Playtime, Firework, Vampire Survivors, and Look Outside. We matched them by the tags players give Aooni on Steam (RPG, Horror, 2D, Singleplayer, and JRPG): closest matches first, and among equally close ones the better-known games.

Tales of the Black Forest
Shared: RPG · Horror · Indie

Poppy Playtime
Shared: Horror · Singleplayer · Puzzle

Firework
Shared: Horror · 2D · Indie

Vampire Survivors
Shared: 2D · Roguelite · Singleplayer

Look Outside
Shared: RPG · Horror · 2D

Bendy and the Dark Revival
Shared: Horror · Singleplayer · Indie

Dust: An Elysian Tail
Shared: RPG · Indie · 2D

The Witch's House MV
Shared: Horror · 2D · RPG

Evoland
Shared: RPG · Indie · Singleplayer

FINAL FANTASY VII REMAKE INTERGRADE
Shared: RPG · Singleplayer · JRPG

LIMBO
Shared: Indie · 2D · Horror

FINAL FANTASY VII REBIRTH
Shared: RPG · JRPG · Singleplayer

Little Nightmares
Shared: Horror · Singleplayer · Adventure

Rogue Legacy
Shared: Indie · Singleplayer · 2D

DRAGON BALL Z: KAKAROT
Shared: RPG · Singleplayer · Action

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

Darkwood
Shared: Horror · RPG · Adventure

Five Nights at Freddy's: Into the Pit
Shared: Horror · 2D · Singleplayer

The Coma 2: Vicious Sisters
Shared: Horror · Singleplayer · Indie

Ruined King: A League of Legends Story™
Shared: RPG · Singleplayer · Adventure

South Park™: The Stick of Truth™
Shared: RPG · Adventure · Singleplayer

CrossCode
Shared: RPG · Singleplayer · 2D

Rogue Legacy 2
Shared: RPG · Indie · Action

Skul: The Hero Slayer
Shared: Indie · 2D · Action