Games like String Theory
Games like String Theory include Zup! S, Human Resource Machine, AudioSurf, Rocksmith® 2014 Edition REMASTERED LEARN & PLAY, and Circuits. We matched them by the tags players give String Theory on Steam (Casual, Education, Music, Indie, and Puzzle): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Puzzle · Indie

Human Resource Machine
Shared: Casual · Indie · Education

AudioSurf
Shared: Music · Casual · Indie

Rocksmith® 2014 Edition REMASTERED LEARN & PLAY
Shared: Education · Music · Casual

Circuits
Shared: Music · Casual · Indie

Audiosurf 2
Shared: Music · Indie · Casual

Assemble with Care
Shared: Casual · Indie · Puzzle

Little Inferno
Shared: Casual · Indie · Puzzle

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

Zup! Z
Shared: Casual · Indie · Puzzle

Donut County
Shared: Casual · Indie · Puzzle

Zup!
Shared: Casual · Puzzle · Indie

Zup! F
Shared: Casual · Puzzle · Indie

Pikuniku
Shared: Casual · Indie · Puzzle

Gorogoa
Shared: Puzzle · Indie · Casual

Incredibox
Shared: Casual · Music · Indie

Zup! 2
Shared: Casual · Puzzle · Indie

Zup! X
Shared: Casual · Puzzle · Indie

Muse Dash
Shared: Music · Casual · Indie

A Dance of Fire and Ice
Shared: Music · Indie · Casual

Tetris® Effect: Connected
Shared: Puzzle · Music · Casual

RetroMaze
Shared: Casual · Indie · Puzzle

Florence
Shared: Casual · Indie · Music

Zup! 3
Shared: Casual · Puzzle · Indie