In 2000, he started working for Gray Matter Interactive Studios, designing games for all platforms. He transitioned into a designer and scripter. In that position, he made many of the singleplayer decisions for Call of Duty: United Offensive.
In 2004, he started working for Treyarch, a division of Activision/Blizzard, designing games for all platforms. He transitioned into a senior designer, lead game designer, and design director.
In 2010, he accepted a job opportunity with Infinity Ward, the company that started the Call of Duty franchise, as a senior singleplayer designer.
- Luyties is a randomly-generated name for allied soldiers in Call of Duty: United Offensive, Call of Duty 2: Big Red One, Call of Duty 3, Call of Duty: World At War and Call of Duty: Modern Warfare 3.