Zircon Engine Initial Alpha Release 50 (source code) file
64-bit SDL2 build available, load huge maps that require more than 4 GB maps. Detects and unloads csprogs.dat using fte "csqc-light hud only" allowing effortless play of these mods without removing the csprogs.dat. Shotgun shells texture fix "shot1sid...
Source: moddb.com