Download link (see readme inside for how to launch): https://www.mediafire.com/file/yvlxer3jbrah1bu/CalderaOW.zip/file
'Caldera Of Wretchedness' is a single level demo designed specifically for the 'PsyDoom' source port of PlayStation Doom to PC (version 0.8.3 and later).
It showcases some of the new features of PsyDoom versus the original PSX Doom engine such as greatly extended limits, Doom 64 style dual colored lighting, Lua scripting for advanced sector actions,