Games like Pile Up, Pirate!
Games like Pile Up, Pirate! include PEAK, Portal 2, Garry's Mod, Supraland, and Portal. We matched them by the tags players give Pile Up, Pirate! on Steam (First-Person, Adventure, Building, Casual, and Physics): closest matches first, and among equally close ones the better-known games.

PEAK
Shared: Adventure · First-Person · Physics

Portal 2
Shared: First-Person · Puzzle · Platformer

Garry's Mod
Shared: Building · Physics · First-Person

Supraland
Shared: Adventure · First-Person · Physics

Portal
Shared: First-Person · Puzzle · Physics

Chained Together
Shared: Adventure · Casual · Platformer

Viewfinder
Shared: First-Person · Puzzle · Adventure

Human Fall Flat
Shared: Adventure · Puzzle · Physics

RV There Yet?
Shared: Adventure · First-Person · Physics

FEZ
Shared: Puzzle · Platformer · Adventure

A Story About My Uncle
Shared: First-Person · Adventure · Platformer

Superliminal
Shared: First-Person · Puzzle · Physics

Slime Rancher
Shared: Adventure · First-Person · Exploration

Big Walk
Shared: Adventure · Puzzle · First-Person

Donut County
Shared: Casual · Adventure · Physics

LIMBO
Shared: Puzzle · Adventure · Platformer

Quantum Conundrum
Shared: First-Person · Puzzle · Physics

The Witness
Shared: First-Person · Puzzle · Adventure

The Unfinished Swan
Shared: Adventure · Puzzle · First-Person

Pikuniku
Shared: Adventure · Casual · Puzzle

Tricky Towers
Shared: Puzzle · Casual · Physics

BEEP
Shared: Adventure · Platformer · Physics

The Room
Shared: Puzzle · Adventure · First-Person

Riven
Shared: Adventure · First-Person · Puzzle