Games like Quadrium
Games like Quadrium include Zuma Deluxe, Bejeweled® 3, Zuma's Revenge!, Zup! S, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Quadrium on Steam (Casual, Match 3, Puzzle, 2D, and Family Friendly): closest matches first, and among equally close ones the better-known games.

Zuma Deluxe
Shared: Match 3 · Puzzle · Casual

Bejeweled® 3
Shared: Casual · Puzzle · Match 3

Zuma's Revenge!
Shared: Casual · Puzzle · Match 3

Zup! S
Shared: Casual · Puzzle · 2D

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

Peggle Deluxe
Shared: Casual · Puzzle · 2D

Hook
Shared: Casual · Puzzle · Singleplayer

Scribblenauts Unlimited
Shared: Casual · Puzzle · Family Friendly

Zup! F
Shared: Casual · Puzzle · 2D

Assemble with Care
Shared: Casual · Puzzle · Indie

Gorogoa
Shared: Puzzle · Casual · Indie

10,000,000
Shared: Match 3 · Casual · Puzzle

Zup!
Shared: Casual · Puzzle · 2D

Strange Jigsaws
Shared: Casual · Puzzle · 2D

Hidden Folks
Shared: Casual · Puzzle · Indie

A Little to the Left
Shared: Puzzle · Casual · Singleplayer

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

Zup! 2
Shared: Casual · Puzzle · 2D

Zup! 8
Shared: Casual · Puzzle · 2D

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

Zup! X
Shared: Casual · Puzzle · 2D

Baba Is You
Shared: Puzzle · Indie · Singleplayer

World of Goo
Shared: Puzzle · Casual · Indie

Hexcells
Shared: Casual · Puzzle · Indie

