Games like Sudoku-Zen
Games like Sudoku-Zen include Hidden Folks, Zup!, Zup! F, Zup! 2, and Zup! X. We matched them by the tags players give Sudoku-Zen on Steam (Casual, Point & Click, Puzzle, 2D Platformer, and Puzzle Platformer): closest matches first, and among equally close ones the better-known games.

Hidden Folks
Shared: Casual · Puzzle · Point & Click

Zup!
Shared: Casual · Puzzle · 2D

Zup! F
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

Zup! X
Shared: Casual · Puzzle · 2D

Hidden Through Time
Shared: Casual · Puzzle · Point & Click

A Little to the Left
Shared: Puzzle · Casual · Point & Click

Zup! 3
Shared: Casual · Puzzle · 2D

Zup! 8
Shared: Casual · Puzzle · 2D

Zup! 4
Shared: Casual · Puzzle · Point & Click

Zup! Z
Shared: Casual · Puzzle · 2D

Morphopolis
Shared: Puzzle · Point & Click · Casual

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

Zup! 5
Shared: Casual · Puzzle · 2D

Zup! Q
Shared: Casual · Point & Click · Puzzle

Zup! 6
Shared: Casual · Puzzle · 2D

Zup! Zero
Shared: Casual · Puzzle · 2D

Zup! S
Shared: Casual · Puzzle · 2D

Zup! 9
Shared: Casual · Puzzle · Point & Click

Zup! 7
Shared: Casual · Puzzle · 2D

Samorost 1
Shared: Point & Click · Casual · Puzzle

Braid
Shared: Puzzle · Puzzle Platformer · 2D Platformer

There Is No Game: Wrong Dimension
Shared: Point & Click · Puzzle · Casual

Webbed
Shared: 2D Platformer · Puzzle Platformer · Cute