Gameplay engineer

Edmund Cheung
Unity and Godot in C#. Walnut, CA. Systems that stay playable under co-op, iteration, and ship dates. Compactory on Steam, TrackMyAnime on mobile, Addie Shen in playtests at Unexpected Accessories.

Now
Unexpected Accessories
Los Angeles · Internship
Part-time studio in Los Angeles shipping Addie Shen: a math-based puzzle shooter. I am on the gameplay side in Godot C# — split-screen co-op, player control, UI, and the playtest bugs that show up when two people share a screen.
A math-based puzzle shooter in Godot: story missions, practice waves, and split-screen co-op against PEMDAS minions. Steam release aimed at Q1 2027.
Jan 2026 – Present
Gameplay Engineer
Split-screen co-op in Godot C#: debug gameplay systems, profile playtest builds, and keep two players stable on one screen.
Trace playtest bugs across gameplay, UI, and player control; ship fixes with designers and engineers.
Add gameplay logic, UI interactions, and player control inside the existing Godot architecture.
July 2025 – Dec 2025
Junior Gameplay Engineer
Split-screen co-op tools and gameplay systems for prototyping and testing missions in Godot.
Playtest bugs: diagnose system interactions and ship fixes to gameplay and UI.
Gameplay logic and interactive systems in Godot C#, with studio leadership.
School
University of Southern California
M.S. Computer Science (Game Development)
Aug 2026 – Present · GPA 4.0
California State Polytechnic University, Pomona
B.S. Computer Science
Aug 2022 – May 2026 · GPA 4.0
Also shipping
Compactory 2 is in early production: online co-op, client-side prediction, and composition-based systems meant to scale past the original. USC Game Dev started August 2026.
Focus
Languages
C#, Dart
Engines
Unity, Godot
Tools
Git, Steamworks.NET, Firebase, Blender, PurrNet
Work
Gameplay systems, Debugging, Profiling, Multiplayer, UI systems