Games like Domino Dungeon
Games like Domino Dungeon include Garry's Mod, Besiege, BONEWORKS, Peggle Deluxe, and Totally Accurate Battle Simulator. We matched them by the tags players give Domino Dungeon on Steam (Puzzle, Medieval, Physics, Arcade, and 3D): closest matches first, and among equally close ones the better-known games.

Garry's Mod
Shared: Physics · Casual · Simulation

Besiege
Shared: Physics · Medieval · Simulation

BONEWORKS
Shared: Physics · Action · Puzzle

Peggle Deluxe
Shared: Puzzle · Arcade · Casual

Totally Accurate Battle Simulator
Shared: Physics · Simulation · 3D

Goat Simulator
Shared: Physics · Simulation · Casual

Half Sword
Shared: Physics · Medieval · Simulation

Portal
Shared: Puzzle · Physics · Action

Zup! S
Shared: Puzzle · Physics · Casual

Buckshot Roulette
Shared: Dark · 3D · Puzzle

Prison Escape Simulator: Dig Out
Shared: Physics · 3D · Simulation

Human Fall Flat
Shared: Puzzle · Physics · Action

Zup!
Shared: Puzzle · Physics · Casual

Internet Cafe Simulator 2
Shared: 3D · Simulation · Arcade

ALTF4
Shared: Physics · Medieval · Arcade

Donut County
Shared: Puzzle · Casual · Physics

Surgeon Simulator
Shared: Physics · Simulation · Puzzle

Marble Mayhem: Fragile Ball
Shared: Puzzle · Casual · Arcade

Librarian: Tidy Up the Arcane Library!
Shared: Puzzle · Casual · 3D

Portal 2
Shared: Puzzle · Singleplayer · First-Person

Poly Bridge
Shared: Physics · Puzzle · Simulation

Gang Beasts
Shared: Physics · Action · Casual

Poppy Playtime
Shared: Puzzle · Singleplayer · Dark

Tricky Towers
Shared: Puzzle · Physics · Casual