Why Cyberpunk 2077 Bet on REDengine 4: The Homegrown Engine Behind a 40-Million-Copy Neon Empire — And Why CDPR Killed It

Why CD Projekt Red built 40M-copy Cyberpunk 2077 on niche proprietary REDengine 4 instead of Unreal, what Night City density and first-person cost, why the studio killed REDengine for Unreal Engine 5, and what indie devs can steal — with original analysis and browser trainers.