Games like ESPER
Games like ESPER include Zup! S, Donut County, World of Goo, Zup!, and BONEWORKS. We matched them by the tags players give ESPER on Steam (Indie, Casual, Puzzle, Physics, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Indie · Puzzle

Donut County
Shared: Indie · Casual · Puzzle

World of Goo
Shared: Indie · Puzzle · Physics

Zup!
Shared: Casual · Indie · Puzzle

BONEWORKS
Shared: VR · Physics · Singleplayer

Zup! F
Shared: Casual · Indie · Puzzle

Zup! 2
Shared: Casual · Indie · Puzzle

Zup! X
Shared: Casual · Indie · Puzzle

Zup! 3
Shared: Casual · Indie · Puzzle

Little Inferno
Shared: Indie · Casual · Puzzle

Gorogoa
Shared: Indie · Puzzle · Casual

Zup! Z
Shared: Indie · Casual · Puzzle

Zup! 8
Shared: Casual · Indie · Puzzle

Assemble with Care
Shared: Indie · Casual · Puzzle

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

Zup! 5
Shared: Casual · Indie · Puzzle

Moncage
Shared: Casual · Indie · Puzzle

Zup! XS
Shared: Indie · Casual · Puzzle

Zup! 6
Shared: Casual · Indie · Puzzle

BEEP
Shared: Indie · Physics · Singleplayer

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Hexcells
Shared: Casual · Indie · Puzzle

Garry's Mod
Shared: Physics · Casual · Singleplayer

Please, Don't Touch Anything 3D
Shared: Indie · Casual · Puzzle