Games like Collect Mania
Games like Collect Mania include Bejeweled® 3, Zuma Deluxe, A Little to the Left, Is This Seat Taken?, and Peggle Deluxe. We matched them by the tags players give Collect Mania on Steam (Casual, Family Friendly, Singleplayer, 2D, and Colorful): closest matches first, and among equally close ones the better-known games.

Bejeweled® 3
Shared: Casual · Singleplayer · Match 3

Zuma Deluxe
Shared: Casual · Match 3 · 2D

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

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

Peggle Deluxe
Shared: Casual · Singleplayer · 2D

Strange Jigsaws
Shared: Casual · 2D · Colorful

Zuma's Revenge!
Shared: Casual · Singleplayer · Family Friendly

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

Hidden Folks
Shared: Casual · Hidden Object · 2D

Hidden Through Time
Shared: Casual · 2D · Family Friendly

Hook
Shared: Casual · Singleplayer · Family Friendly

Glass Masquerade 3: Honeylines
Shared: Casual · 2D · Family Friendly

Scribblenauts Unlimited
Shared: Casual · Family Friendly · Singleplayer

Coloring Game
Shared: Casual · Singleplayer · Colorful

Assemble with Care
Shared: Casual · Singleplayer · Family Friendly

Zup! S
Shared: Casual · 2D · Singleplayer

Slime Rancher 2
Shared: Singleplayer · Colorful · Casual

LEGO® Builder's Journey
Shared: Casual · Singleplayer · Family Friendly

Morphopolis
Shared: Casual · Puzzle · Hidden Object

Bloons TD 6
Shared: Singleplayer · Family Friendly · Casual

ABZU
Shared: Casual · Singleplayer · Relaxing

Librarian: Tidy Up the Arcane Library!
Shared: Casual · Singleplayer · Relaxing

Cat Goes Fishing
Shared: 2D · Casual · Singleplayer

Peggle™ Nights
Shared: Casual · Singleplayer · 2D