Games like Riddle Tower
Games like Riddle Tower include LIMBO, Portal 2, Plants vs. Zombies GOTY Edition, Portal, and Gunpoint. We matched them by the tags players give Riddle Tower on Steam (Puzzle, Strategy, Puzzle Platformer, Funny, and 2D): closest matches first, and among equally close ones the better-known games.

LIMBO
Shared: Puzzle · Puzzle Platformer · Indie

Portal 2
Shared: Puzzle · Singleplayer · Puzzle Platformer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · 2D

Portal
Shared: Puzzle · Puzzle Platformer · Singleplayer

Gunpoint
Shared: Puzzle · 2D · Indie

Human Fall Flat
Shared: Puzzle · Funny · Puzzle Platformer

Braid
Shared: Puzzle · Puzzle Platformer · Indie

Mini Metro
Shared: Puzzle · Strategy · Singleplayer

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Indie

The Escapists
Shared: Strategy · 2D · Singleplayer

Firework
Shared: Puzzle · 2D · Indie

Zup!
Shared: Puzzle · 2D · Indie

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

Zup! S
Shared: Puzzle · 2D · Indie

Zup! 3
Shared: Puzzle · 2D · Indie

Zuma Deluxe
Shared: Puzzle · Strategy · 2D

Game Dev Tycoon
Shared: Strategy · Indie · Singleplayer

Baba Is You
Shared: Puzzle · Indie · Singleplayer

Bridge Constructor Portal
Shared: Puzzle · Strategy · Singleplayer

The Bridge
Shared: Puzzle Platformer · Puzzle · 2D

Squishy the Suicidal Pig
Shared: Puzzle · Puzzle Platformer · Indie

Totally Accurate Battle Simulator
Shared: Funny · Strategy · Singleplayer

Moonleap
Shared: Puzzle · Puzzle Platformer · Strategy

Kingdom Rush - Tower Defense
Shared: Strategy · 2D · Singleplayer