Of course, it also retained the offline game mode. This MOD new added LAN and Internet online game modes. Tchernobog is actually the multi-player mode of Diablo 1 HD MOD: Belzebub. This makes the view of game map become much broader, and makes the overall graphics become more clear. It supports multiple resolution settings (up to 1920 x 1080), and allows to switch between window & full screen modes. Belzebub version completely solved this problem. The original Diablo does not support high-resolution display. It includes two modification projects with code names: Belzebub (single-player) and Tchernobog (multi-player). Diablo 1 HD MOD is currently the most advanced and popular Diablo 1‘s HD mod package, made by Wojtek25.