It's not a remaster, in the broadest in the present: the game's original assets, updated or redrawn to run in higher fidelity on the latest hardware. Also, it's not exactly D2R Items: the gameplay of the original game recreated from scratch, with some degree or other of faithfulness, within a brand new engine.
It is available as the former however, it is an insignificant 3D audiovisual overlay that replicates the output of the game's original 2D game logic running underneath. That's what you're actually playing. Your detailed, 3D avatar reaches out to strike the monster right next to her however, it's the hefty pixels underneath (or more precisely, the math that are running beneath them) that determine how the blow strikes.
It's a fascinating method which produces a truly exact recreation. The artistic merit is one thing: it amazes me that the artists, working with clean modern rendering and lighting, are able to capture the grimy, grittily textured and eerie atmosphere of original pixel art, where shadowy details seem to appear in the darkness.
Even more remarkable is the feeling. Through the preservation of original game's logic within the game's back-end, Diablo 2: Resurrected retains every aspect of the game from 2000, starting with your character's swift, stiff-legged run to the speed of whipcracks and the binary smoothness of the interactions.
With all the sophistication its character-building and extremely challenging items game, rune words as well, the game plays in a brutally simple way. By using a keyboard and buy diablo 2 resurrected items is still limited to two options at a time on the mouse buttons, and are forced to utilize function keys to bring to other games.