Games like Breakthrough DLC: Additional Contents
Games like Breakthrough DLC: Additional Contents include Zup! S, Peggle Deluxe, Brawlhalla, Braid, and Plants vs. Zombies GOTY Edition. We matched them by the tags players give Breakthrough DLC: Additional Contents on Steam (Casual, Puzzle, 2D Platformer, 2D, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Zup! S
Shared: Casual · Puzzle · 2D

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Brawlhalla
Shared: Casual · 2D Platformer · Free to Play

Braid
Shared: Puzzle · 2D Platformer · 2D

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

Scribblenauts Unlimited
Shared: Casual · Puzzle · Singleplayer

Peggle™ Nights
Shared: Casual · Puzzle · Singleplayer

Zup!
Shared: Casual · Puzzle · 2D

Zuma Deluxe
Shared: Puzzle · Casual · 2D

Gorogoa
Shared: Puzzle · Casual · Singleplayer

Zup! 4
Shared: Casual · Puzzle · 2D

Hook
Shared: Casual · Puzzle · Singleplayer

Purple Place - Classic Games
Shared: Casual · Puzzle · 2D

Zup! 2
Shared: Casual · Puzzle · 2D

Zup! F
Shared: Casual · Puzzle · 2D

RetroMaze
Shared: Casual · Puzzle · 2D

Zup! X
Shared: Casual · Puzzle · 2D

Zup! 3
Shared: Casual · Puzzle · 2D

Laughing to Die
Shared: Casual · Puzzle · 2D Platformer

Hexcells
Shared: Casual · Puzzle · Singleplayer

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

Baba Is You
Shared: Puzzle · Singleplayer · 2D

Strange Jigsaws
Shared: Casual · Puzzle · 2D

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