Games like Lettters
Games like Lettters include Zup! S, Chinatris, Melvor Idle, Chants of Sennaar, and Strange Jigsaws. We matched them by the tags players give Lettters on Steam (Casual, Puzzle, Word Game, Idler, and Spelling): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Puzzle · 2D

Chinatris
Shared: Casual · Word Game · Puzzle

Melvor Idle
Shared: Casual · Idler · 2D

Chants of Sennaar
Shared: Puzzle · Word Game · Colorful

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Cookie Clicker
Shared: Casual · Idler · Indie

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

Zup!
Shared: Casual · Puzzle · 2D

Zup! F
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

Zup! X
Shared: Casual · Puzzle · 2D

Gorogoa
Shared: Puzzle · Casual · Indie

Pronoun Palace
Shared: Word Game · Spelling · Casual

Word Play
Shared: Casual · Word Game · Spelling

A Little to the Left
Shared: Puzzle · Casual · 2D

There Is No Game: Wrong Dimension
Shared: Puzzle · Casual · Indie

Zup! 3
Shared: Casual · Puzzle · 2D

Cat Goes Fishing
Shared: Casual · 2D · Indie

Morphopolis
Shared: Puzzle · Casual · Indie

Hexcells
Shared: Casual · Puzzle · Indie

Assemble with Care
Shared: Casual · Puzzle · Indie

Peggle Deluxe
Shared: Casual · Puzzle · 2D

Pikuniku
Shared: Casual · Puzzle · Indie

Zuma Deluxe
Shared: Puzzle · Casual · 2D