Games like BLOCK CONNECTOR
Games like BLOCK CONNECTOR include Portal, Librarian: Tidy Up the Arcane Library!, The Last Campfire, Unpacking, and COCOON. We matched them by the tags players give BLOCK CONNECTOR on Steam (Casual, Puzzle, Singleplayer, Relaxing, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · Singleplayer · Puzzle Platformer

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

The Last Campfire
Shared: Puzzle · Singleplayer · Atmospheric

Unpacking
Shared: Casual · Relaxing · Puzzle

COCOON
Shared: Puzzle · Atmospheric · Singleplayer

Glass Masquerade
Shared: Puzzle · Casual · Relaxing

Monument Valley
Shared: Puzzle · Relaxing · Casual

Assemble with Care
Shared: Casual · Puzzle · Relaxing

Moncage
Shared: Casual · Puzzle · Singleplayer

Sizeable
Shared: Casual · Puzzle · Relaxing

The Swapper
Shared: Puzzle · Atmospheric · Singleplayer

Zup! S
Shared: Casual · Puzzle · Relaxing

Hook
Shared: Casual · Puzzle · Relaxing

Defy Gravity Extended
Shared: Puzzle · Singleplayer · Puzzle Platformer

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

ISLANDERS
Shared: Relaxing · Puzzle · Singleplayer

Outer Wilds
Shared: Space · Puzzle · Atmospheric

Gorogoa
Shared: Puzzle · Singleplayer · Casual

LIMBO
Shared: Puzzle · Atmospheric · Puzzle Platformer

GRIS
Shared: Atmospheric · Singleplayer · Relaxing

SpaceEngine
Shared: Casual · Sci-fi · Space

Zup! F
Shared: Casual · Puzzle · Relaxing

klocki
Shared: Puzzle · Casual · Relaxing

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