Level Design
Hellbreak

Hellbreak is a single-player Quake map in which the player breaks out of Hell and fights their way up to purgatory and finally heaven.
Liminal Villa

Liminal Villa is a Quake deathmatch map designed for the purpose of familiarizing myself with Trenchbroom and multiplayer game design principles.
Artificer's Workshop

While not designed as a playable level, Artificer's Workshop is a 3D space depicting one of the locations in Artifice.