The Hidden Genius Behind Diablo Resurrected
Diablo II Resurrected is more than a simple visual polish. The game actually runs the original 2000 code underneath the new graphics, allowing players to toggle between old and modern visuals instantly.
To ensure the gameplay felt exactly like the classic original, developers layered a modern 3D engine over the ancient logic. This allows the game to maintain the precise hit detection and feel that fans loved decades ago. Because the original code is still doing the heavy lifting, you can switch back to the retro pixels at the press of a button. It is a rare example of a remake that preserves the literal soul of its predecessor.
Source: Diablo II: Resurrected