Games like Ultra Sudoku
Games like Ultra Sudoku include Zup! S, Is This Seat Taken?, Hexcells, Baba Is You, and Strange Jigsaws. We matched them by the tags players give Ultra Sudoku on Steam (Casual, Puzzle, 2D, Logic, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Puzzle · 2D

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

Hexcells
Shared: Casual · Puzzle · Logic

Baba Is You
Shared: Puzzle · Logic · Singleplayer

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Hook
Shared: Casual · Puzzle · Singleplayer

Hexcells Infinite
Shared: Casual · Puzzle · Logic

Patrick's Parabox
Shared: Puzzle · Logic · 2D

klocki
Shared: Puzzle · Casual · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · 2D

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

Scribblenauts Unlimited
Shared: Casual · Puzzle · 2D

Purple Place - Classic Games
Shared: Casual · Puzzle · Logic

Proverbs
Shared: Casual · Puzzle · 2D

Hexcells Plus
Shared: Puzzle · Casual · Logic

Zup! 4
Shared: Casual · Puzzle · 2D

LYNE
Shared: Puzzle · Logic · Casual

Zup!
Shared: Casual · Puzzle · 2D

Peggle™ Nights
Shared: Casual · Puzzle · 2D

SquareCells
Shared: Puzzle · Casual · Logic

Poppy Playtime
Shared: Puzzle · Singleplayer · Free to Play

Gorogoa
Shared: Puzzle · Casual · Singleplayer

Zup! 2
Shared: Casual · Puzzle · 2D