Games like 東方凸凹遊戯
Games like 東方凸凹遊戯 include Portal, Portal 2, Gunpoint, Human Fall Flat, and Defy Gravity Extended. We matched them by the tags players give 東方凸凹遊戯 on Steam (Action, Strategy, Puzzle, Puzzle Platformer, and 2D): closest matches first, and among equally close ones the better-known games.

Portal
Shared: Puzzle · Puzzle Platformer · Comedy

Portal 2
Shared: Puzzle · Puzzle Platformer · Action

Gunpoint
Shared: Puzzle · 2D · Action

Human Fall Flat
Shared: Puzzle · Puzzle Platformer · Action

Defy Gravity Extended
Shared: Puzzle Platformer · Puzzle · Action

Total War: WARHAMMER II
Shared: Strategy · Fantasy · Action

Planet of Lana
Shared: Action · Puzzle Platformer · Puzzle

The Escapists
Shared: Strategy · Action · 2D

LIMBO
Shared: Puzzle Platformer · Puzzle · 2D

ShellShock Live
Shared: Strategy · Action · 2D

Kingdom Rush - Tower Defense
Shared: Strategy · 2D · Action

Tomb Raider Game of the Year
Shared: Action · Female Protagonist · Puzzle

Kingdom Rush 5: Alliance TD
Shared: Strategy · 2D · Fantasy

Orcs Must Die!
Shared: Action · Strategy · Fantasy

Plants vs. Zombies GOTY Edition
Shared: Strategy · 2D · Comedy

GemCraft - Chasing Shadows
Shared: Strategy · Action · Fantasy

Zombie Night Terror
Shared: Strategy · Action · Puzzle

Mount & Blade II: Bannerlord
Shared: Strategy · Action · Multiplayer

Buckshot Roulette
Shared: Strategy · Puzzle · Action

Omega Strikers
Shared: Action · Strategy · PvP

Monument Valley 2
Shared: Strategy · Action · Puzzle

Pikuniku
Shared: Puzzle · Action · Indie

Rise of the Tomb Raider™
Shared: Action · Female Protagonist · Puzzle

Papers, Please
Shared: Puzzle · Indie · Multiple Endings