Harold Serrano
Harold Serrano is a Game Development YouTube channel with 2.3K subscribers. As of November 2026, it has published 177 videos with 171.2K total views (~135 per video), and a 5.93% engagement rate — top 11% of Game Development educators.
I’m Harold — a rendering engineer building a custom game engine from the ground up using Metal. This channel is where I break down how real-time renderers work — not just in theory, but in code. You’ll learn how engines manage rendering pipelines, build frame graphs, sort draw calls, and submit commands to the GPU — all while seeing it happen live inside my engine. Whether you're a graphics programmer, engine enthusiast, or just curious about how a frame really gets drawn, you’ll find deep, v
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30-Day Growth
Views Trajectory · last 70 days
+1.2% views (30d)
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Harold Serrano (@haroldserrano) is a game development YouTube channel with 2.3K subscribers. With 177 videos and 171.2K total views, the channel averages 135 views per video. Harold Serrano has an engagement rate of 5.93%, placing it in the top 11% of game development educators on the platform. The channel uploads on a bi-weekly basis, making it a very active creator in the developer education space.