Games like Super Blowfish Castle
Games like Super Blowfish Castle include Portal 2, Portal, Trine 3: The Artifacts of Power, Trine 2: Complete Story, and Trine Enchanted Edition. We matched them by the tags players give Super Blowfish Castle on Steam (Casual, Action-Adventure, Puzzle, 3D Platformer, and Precision Platformer): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · Puzzle Platformer · 3D Platformer

Portal
Shared: Puzzle · 3D Platformer · Puzzle Platformer

Trine 3: The Artifacts of Power
Shared: Action-Adventure · 3D Platformer · Puzzle Platformer

Trine 2: Complete Story
Shared: Action-Adventure · Puzzle Platformer · Puzzle

Trine Enchanted Edition
Shared: Action-Adventure · Puzzle Platformer · Colorful

Donut County
Shared: Casual · Puzzle · Cute

Tinykin
Shared: 3D Platformer · Action-Adventure · Puzzle

PAC-MAN WORLD Re-PAC
Shared: 3D Platformer · Action-Adventure · 3D

Chained Together
Shared: Casual · Puzzle Platformer · 3D Platformer

BALAN WONDERWORLD
Shared: Casual · Puzzle · Action-Adventure

Pikuniku
Shared: Casual · Puzzle · Cute

The Last Campfire
Shared: Puzzle · Cute · 3D Platformer

The Plucky Squire
Shared: Action-Adventure · 3D Platformer · Puzzle Platformer

Slime Rancher 2
Shared: Cute · Casual · Colorful

Ratchet & Clank: Rift Apart
Shared: Action-Adventure · 3D Platformer · Family Friendly

Moss VR
Shared: Puzzle · Action-Adventure · Casual

hololive Treasure Mountain
Shared: Casual · Puzzle · 3D Platformer

Viewfinder
Shared: Puzzle · Puzzle Platformer · Action-Adventure

Toree 2
Shared: 3D Platformer · Action-Adventure · Precision Platformer

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Physics

Monument Valley 2
Shared: Casual · Puzzle · Puzzle Platformer

Zup!
Shared: Casual · Puzzle · Puzzle Platformer

Quantum Conundrum
Shared: Puzzle · 3D Platformer · Puzzle Platformer

Zup! S
Shared: Casual · Puzzle · Physics