Games like Castle
Games like Castle include Zup! S, Pikuniku, Zuma's Revenge!, Defy Gravity Extended, and SUPERHOT. We matched them by the tags players give Castle on Steam (Casual, Indie, Action, Building, and Puzzle): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Indie · Puzzle

Pikuniku
Shared: Indie · Casual · Puzzle

Zuma's Revenge!
Shared: Casual · Action · Puzzle

Defy Gravity Extended
Shared: Indie · Puzzle · Action

SUPERHOT
Shared: Action · Indie · Puzzle

Timberman
Shared: Casual · Indie · Action

Baba Is You
Shared: Indie · Puzzle · Difficult

Toki Tori
Shared: Indie · Casual · Puzzle

Waveform
Shared: Indie · Casual · Puzzle

Minimalism
Shared: Casual · Indie · Action

Mini Motorways
Shared: Casual · Indie · Puzzle

World of Goo
Shared: Indie · Puzzle · Casual

Poly Bridge
Shared: Building · Puzzle · Indie

Marble Mayhem: Fragile Ball
Shared: Casual · Indie · Puzzle

Zup! 2
Shared: Casual · Indie · Puzzle

Zup!
Shared: Casual · Indie · Puzzle

Trip to Vinelands
Shared: Indie · Action · Casual

Lost
Shared: Casual · Indie · Puzzle

Yokai's Secret
Shared: Indie · Casual · Action

Mini Metro
Shared: Puzzle · Indie · Casual

Garry's Mod
Shared: Casual · Building · Action

BEEP
Shared: Indie · Action · Puzzle

Hexcells
Shared: Casual · Indie · Puzzle

A Dance of Fire and Ice
Shared: Indie · Difficult · Casual