Games like TETRA's Escape 2
Games like TETRA's Escape 2 include Sizeable, Moncage, Librarian: Tidy Up the Arcane Library!, Hexcells, and Donut County. We matched them by the tags players give TETRA's Escape 2 on Steam (Casual, Puzzle, 3D, Voxel, and Hex Grid): closest matches first, and among equally close ones the better-known games.

Sizeable
Shared: Casual · Puzzle · 3D

Moncage
Shared: Casual · Puzzle · Indie

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

Hexcells
Shared: Casual · Puzzle · Indie

Donut County
Shared: Casual · Puzzle · Indie

Brothers - A Tale of Two Sons
Shared: Puzzle · Controller · Indie

Zup! S
Shared: Casual · Puzzle · Indie

Hexcells Infinite
Shared: Casual · Puzzle · Indie

Little Inferno
Shared: Casual · Puzzle · Indie

Monument Valley
Shared: Puzzle · Casual · Singleplayer

Gorogoa
Shared: Puzzle · Casual · Indie

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

Assemble with Care
Shared: Casual · Puzzle · Indie

The Last Campfire
Shared: Puzzle · Singleplayer · Indie

Hexcells Plus
Shared: Puzzle · Casual · Indie

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

Liars Bar
Shared: Casual · 3D · Indie

Order of the Sinking Star
Shared: Puzzle · 3D · Fantasy

Boxes: Lost Fragments
Shared: Puzzle · Casual · 3D

Zup!
Shared: Casual · Puzzle · Indie

Unpacking
Shared: Casual · Puzzle · Singleplayer

COCOON
Shared: Puzzle · 3D · Indie

Zup! F
Shared: Casual · Puzzle · Indie

Hook
Shared: Casual · Puzzle · Singleplayer