Games like Hidden Post-Apocalyptic Top-Down 3D
Games like Hidden Post-Apocalyptic Top-Down 3D include Portal 2, Supraland, Chained Together, Portal, and The House of Da Vinci. We matched them by the tags players give Hidden Post-Apocalyptic Top-Down 3D on Steam (Exploration, Hidden Object, Tactical RPG, 3D Platformer, and FPS): closest matches first, and among equally close ones the better-known games.

Portal 2
Shared: Puzzle · Puzzle Platformer · Platformer

Supraland
Shared: Exploration · Puzzle Platformer · FPS

Chained Together
Shared: Puzzle Platformer · 3D Platformer · Platformer

Portal
Shared: 3D Platformer · Puzzle Platformer · Puzzle

The House of Da Vinci
Shared: Hidden Object · Exploration · Puzzle

The Talos Principle 2
Shared: Exploration · Puzzle · Puzzle Platformer

Monument Valley 2
Shared: Exploration · Puzzle · Strategy

Sonic Frontiers
Shared: 3D Platformer · Exploration · Adventure

The Room 4: Old Sins
Shared: Puzzle · Hidden Object · Point & Click

ANIMAL WELL
Shared: Exploration · Puzzle · Puzzle Platformer

Mirror's Edge™
Shared: Exploration · 3D Platformer · Puzzle

Monument Valley
Shared: Exploration · Puzzle · Strategy

Tomb Raider IV-VI Remastered
Shared: Exploration · 3D Platformer · Puzzle

FEZ
Shared: Exploration · Puzzle · Platformer

Phantom Abyss
Shared: 3D Platformer · Exploration · FPS

Indiana Jones and the Great Circle
Shared: Exploration · Puzzle · Action-Adventure

[Chillas Art] The Closing Shift
Shared: Exploration · Simulation · Puzzle

The Exit 8
Shared: Exploration · Puzzle · Walking Simulator

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

COCOON
Shared: Exploration · Puzzle · Puzzle Platformer

Platform 8
Shared: Hidden Object · Exploration · Puzzle

Viewfinder
Shared: Puzzle Platformer · Puzzle · Exploration

The Ball
Shared: 3D Platformer · Puzzle Platformer · Puzzle

Supraworld
Shared: Exploration · Puzzle · Puzzle Platformer