Tony Yiding Tian

Umbra

A puzzle game played in the shadows of movable lights

Unreal Engine 5, C++, UMG/Slate · Feb – Apr 2026 · Team of 3

Umbra's tutorial on iOS: walking in a light's shadow, with the touch thumbstick

A top-down puzzle game where the player travels through the shadows cast by movable lights. Shipped for Windows and macOS, then ported to iOS. I wrote 37 of its 59 gameplay source files.

GitHub

[email protected] · LinkedIn · GitHub · Resume