Games like SQUASER 4
Games like SQUASER 4 include Moncage, Patrick's Parabox, Hook, Gorogoa, and The Room. We matched them by the tags players give SQUASER 4 on Steam (Casual, Puzzle, Sokoban, Abstract, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Moncage
Shared: Casual · Puzzle · Singleplayer

Patrick's Parabox
Shared: Puzzle · Sokoban · Abstract

Hook
Shared: Casual · Puzzle · Abstract

Gorogoa
Shared: Puzzle · Casual · Atmospheric

The Room
Shared: Puzzle · Atmospheric · Singleplayer

klocki
Shared: Puzzle · Casual · Singleplayer

Little Inferno
Shared: Casual · Puzzle · Singleplayer

Baba Is You
Shared: Puzzle · Singleplayer · Sokoban

LYNE
Shared: Puzzle · Casual · Abstract

Glass Masquerade
Shared: Puzzle · Casual · Atmospheric

Spirit of the North
Shared: Puzzle · Casual · Atmospheric

Viewfinder
Shared: Puzzle · Abstract · Singleplayer

Unpacking
Shared: Casual · Puzzle · Singleplayer

Strange Jigsaws
Shared: Casual · Puzzle · Abstract

Assemble with Care
Shared: Casual · Puzzle · Singleplayer

Glass Masquerade 2: Illusions
Shared: Casual · Puzzle · Atmospheric

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Monument Valley 3
Shared: Casual · Puzzle · Atmospheric

Sudoku Universe / 数独宇宙
Shared: Casual · Puzzle · Abstract

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

Linelith
Shared: Casual · Puzzle · Sokoban

Antichamber
Shared: Puzzle · Abstract · Singleplayer

Zup! S
Shared: Casual · Puzzle · Singleplayer

Librarian: Tidy Up the Arcane Library!
Shared: Casual · Puzzle · Singleplayer