Games like Unicorn and Sweets 2
Games like Unicorn and Sweets 2 include Zuma Deluxe, Hidden Folks, Bejeweled® 3, Zup!, and Hidden Through Time. We matched them by the tags players give Unicorn and Sweets 2 on Steam (Side Scroller, Hidden Object, Match 3, Puzzle, and Strategy): closest matches first, and among equally close ones the better-known games.

Zuma Deluxe
Shared: Match 3 · Puzzle · Strategy

Hidden Folks
Shared: Hidden Object · Puzzle · Point & Click

Bejeweled® 3
Shared: Puzzle · Match 3 · Strategy

Zup!
Shared: Puzzle · 2D · Casual

Hidden Through Time
Shared: Hidden Object · Puzzle · Point & Click

Morphopolis
Shared: Hidden Object · Puzzle · Point & Click

Zup! S
Shared: Puzzle · 2D · Casual

A Little to the Left
Shared: Puzzle · Point & Click · Relaxing

Mini Metro
Shared: Puzzle · Strategy · 2D

The Room
Shared: Puzzle · Point & Click · Hidden Object

Monument Valley 2
Shared: Puzzle · Strategy · Point & Click

Sizeable
Shared: Hidden Object · Puzzle · Casual

100 hidden cats
Shared: Hidden Object · Point & Click · Side Scroller

Zup! 3
Shared: Puzzle · 2D · Casual

Birth
Shared: Puzzle · Hidden Object · Point & Click

The Silent Age
Shared: Side Scroller · Point & Click · Puzzle

The House of Da Vinci
Shared: Hidden Object · Puzzle · Point & Click

The Room Two
Shared: Puzzle · Hidden Object · Point & Click

Travellin Cats in Paris
Shared: Hidden Object · Puzzle · Casual

Mini Motorways
Shared: Strategy · Puzzle · Casual

100 hidden birds
Shared: Hidden Object · Side Scroller · Point & Click

Boxes: Lost Fragments
Shared: Puzzle · Point & Click · Hidden Object

Zup! Q
Shared: Puzzle · Hidden Object · Point & Click

Peggle Deluxe
Shared: Puzzle · Arcade · 2D