Games like Full Bloom
Games like Full Bloom include Stray, Changed, SIGNALIS, Slime Rancher, and Poppy Playtime. We matched them by the tags players give Full Bloom on Steam (Cute, Adventure, Puzzle, Psychological Horror, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Stray
Shared: Adventure · Cute · Singleplayer

Changed
Shared: Cute · Psychological Horror · Puzzle

SIGNALIS
Shared: Psychological Horror · Survival Horror · Female Protagonist

Slime Rancher
Shared: Cute · Adventure · Singleplayer

Poppy Playtime
Shared: Puzzle · Singleplayer · Survival Horror

Carto
Shared: Cute · Puzzle · Adventure

OneShot
Shared: Cute · Puzzle · Indie

The Last Campfire
Shared: Adventure · Puzzle · Cute

MiSide
Shared: Cute · Psychological Horror · Singleplayer

Outcore: Desktop Adventure
Shared: Adventure · Psychological Horror · Cute

Rise of the Tomb Raider™
Shared: Adventure · Female Protagonist · Singleplayer

Tomb Raider Game of the Year
Shared: Adventure · Female Protagonist · Singleplayer

Little Nightmares
Shared: Adventure · Puzzle · Singleplayer

Inside the Backrooms
Shared: Puzzle · Psychological Horror · Survival Horror

Little Misfortune
Shared: Psychological Horror · Adventure · Indie

Fran Bow
Shared: Psychological Horror · Puzzle · Adventure

DreadOut
Shared: Adventure · Female Protagonist · Indie

Little Nightmares II
Shared: Adventure · Puzzle · Singleplayer

A Hat in Time
Shared: Cute · Adventure · Female Protagonist

Mad Father
Shared: Psychological Horror · Adventure · Survival Horror

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

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

Granny
Shared: Survival Horror · Puzzle · Singleplayer

What Remains of Edith Finch
Shared: Adventure · Female Protagonist · Singleplayer