Trepidation is a first person shooter set in the future based on the GPL IOQ3 Quake Engine. Trepidation features all new weapons, maps and vehicles.. Currently planned game types are DM, CTF, Last Man Standing and 2 others to be announced.

Trepidation intends to be a free multiplayer first person shooter based on the IOQ3 Quake 3 Engine. The game media will fall under the creative commons license with a few exceptions that fall under the GPL v2. The source code falls under the GPL v2 license so that others can improve and expand upon. Trepidation will include many standard gametypes such as DM, TDM, and CTF with instagib options, as well as the introduction 2-4 new gametypes. Each game mode will have additional attributes that can be activated via the configuration such as wall jumping, double/multijumping, instagib,multiflag and return the flag (for flag based games).