Games like Pixel Puzzles: UndeadZ
Games like Pixel Puzzles: UndeadZ include Plague Inc: Evolved, Mini Motorways, Mini Metro, Pixel Puzzles: Japan, and Death Coming/死神来了. We matched them by the tags players give Pixel Puzzles: UndeadZ on Steam (Casual, Puzzle, Indie, Simulation, and Strategy): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Simulation · Strategy · Indie

Mini Motorways
Shared: Casual · Simulation · Strategy

Mini Metro
Shared: Puzzle · Strategy · Simulation

Pixel Puzzles: Japan
Shared: Casual · Puzzle · Indie

Death Coming/死神来了
Shared: Casual · Puzzle · Strategy

Game Dev Tycoon
Shared: Indie · Simulation · Casual

Plants vs. Zombies GOTY Edition
Shared: Casual · Strategy · Zombies

Happy Room
Shared: Simulation · Gore · Action

People Playground
Shared: Gore · Violent · Simulation

Ultimate Epic Battle Simulator
Shared: Simulation · Strategy · Action

Papers, Please
Shared: Indie · Simulation · Puzzle

BidKing
Shared: Casual · Strategy · Simulation

Zup! S
Shared: Casual · Puzzle · Indie

Reus
Shared: Indie · Strategy · Simulation

Resident Evil 2
Shared: Puzzle · Zombies · Gore

911 Operator
Shared: Simulation · Strategy · Indie

Drug Dealer Simulator: Free Sample
Shared: Casual · Simulation · Indie

DETOUR
Shared: Indie · Puzzle · Casual

Idle Champions of the Forgotten Realms
Shared: Strategy · Free to Play · Indie

Zombie Night Terror
Shared: Indie · Strategy · Puzzle

There's Poop In My Soup
Shared: Casual · Indie · Violent

Touhou Big Big Battle
Shared: Indie · Casual · Strategy

SMITE®
Shared: Action · Free to Play · Strategy

The Escapists
Shared: Strategy · Simulation · Indie