Games like Fusion
Games like Fusion include Hidden Folks, Zup! S, Potion Craft: Alchemist Simulator, A Little to the Left, and Hook. We matched them by the tags players give Fusion on Steam (Casual, Visual Novel, Puzzle, Crafting, and Relaxing): closest matches first, and among equally close ones the better-known games.

Hidden Folks
Shared: Casual · Puzzle · Hand-drawn

Zup! S
Shared: Casual · Puzzle · 2D

Potion Craft: Alchemist Simulator
Shared: Crafting · Relaxing · Singleplayer

A Little to the Left
Shared: Puzzle · Relaxing · Casual

Hook
Shared: Casual · Puzzle · Relaxing

Zup!
Shared: Casual · Puzzle · 2D

Gorogoa
Shared: Puzzle · Casual · Hand-drawn

Zup! F
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

klocki
Shared: Casual · Puzzle · Relaxing

Sizeable
Shared: Casual · Puzzle · Relaxing

Zup! X
Shared: Casual · Puzzle · 2D

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Is This Seat Taken?
Shared: Casual · Puzzle · Relaxing

Hexcells
Shared: Casual · Puzzle · Relaxing

Assemble with Care
Shared: Casual · Puzzle · Relaxing

Zup! 3
Shared: Casual · Puzzle · 2D

Mini Metro
Shared: Puzzle · Casual · Minimalist

Hexcells Infinite
Shared: Casual · Puzzle · Relaxing

When The Past Was Around
Shared: Relaxing · Puzzle · 2D

Storyteller
Shared: Puzzle · 2D · Interactive Fiction

Firework
Shared: Puzzle · 2D · Visual Novel

Zup! 8
Shared: Casual · Puzzle · 2D

Zenge
Shared: Casual · Puzzle · Relaxing