Speaking to Eurogamer, CD Projekt Red's vice president of technology, Charles Tremblay, discussed the switch from the internally developed REDengine, last used on Cyberpunk 2077,

CD Projekt Red has revealed ‘The Witcher 4’ has entered “full-scale production”. The studio announced the action-RPG in 2022, and now CD’s..

"We don't want to go back," Tremblay continued. CD Projekt has a history of overpromising. It infamously built up Cyberpunk 2077 as a revolutionary RPG for years before the game u

A senior CD Projekt Red official hypes up The Witcher 4 and elaborates on the developer's decision to switch to Unreal Engine 5.

CD Projekt Red vice president of technology Charles Tremblay has promised 'The Witcher 4' will be "better" and "bigger" than 'The Witcher 3: Wild Hunt' and 'Cyberpunk 2077' because the studio has dropped its internal REDengine and will instead make the tite in Epic Games' Unreal engine.