Games like Radium Lux
Games like Radium Lux include Zup! S, Peggle Deluxe, Zuma's Revenge!, Zup!, and Zup! 2. We matched them by the tags players give Radium Lux on Steam (Action, Casual, Arcade, Puzzle, and 2D Platformer): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Puzzle · 2D

Peggle Deluxe
Shared: Casual · Arcade · Puzzle

Zuma's Revenge!
Shared: Action · Casual · Puzzle

Zup!
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

Vampire Survivors
Shared: 2D · Casual · Action

Hook
Shared: Casual · Puzzle · Family Friendly

Zup! 8
Shared: Casual · Puzzle · 2D

Zuma Deluxe
Shared: Arcade · Puzzle · Casual

Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad
Shared: Arcade · Casual · 2D

Zup! 3
Shared: Casual · Puzzle · 2D

Orbt XL
Shared: Arcade · Action · 2D

Zup! F
Shared: Casual · Puzzle · 2D

BEEP
Shared: Action · 2D · Puzzle

Timberman
Shared: Casual · Action · Arcade

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Hexcells
Shared: Casual · Puzzle · Logic

Zup! 5
Shared: Casual · Puzzle · 2D

A Dance of Fire and Ice
Shared: Arcade · 2D · Casual

Planet of Lana
Shared: Action · 2D Platformer · Puzzle

Defy Gravity Extended
Shared: Puzzle · Action · 2D

Baba Is You
Shared: Puzzle · Indie · Logic

Pikuniku
Shared: Casual · Puzzle · Action

Zup! X
Shared: Casual · Puzzle · 2D