October 14th, 1999 — glitter releases Quake 2 lightgun mod… Q2GUNFRENZY!

October 14th, 1999 — glitter's Q2GUNFRENZY!, released today in version 1.0 under the >RIL_ banner, is the first ever lightgun enabled First-Person-Shooter game. Written specifically for the ACT LABS Gun System - PC lightgun system, it features a finely tuned and highly stylized Quake 2 single-player 'Arcade Mode', as well as standard Quake 2 gameplay with GS lightgun support and 'Stress Relief' mode.

Gravity Bone, by Brendon Chung — From Quake 2 Mod to Independent Games Development Studio

"Pina colada pineapple grenade. To make it in Nuevos Aires, one needs nerves of silk and the filthiest of hands. Mix together a batch of espionage, some high- speed car chases, fire-spewing assassins, and you've got one oven that'll never bake cookies again. We provide the pliers and you bring the moxie."

Quaddicted: Quake Expo 2011 — Berserker@Quake2, Heavily Modified idTech2 Engine, by Borodulin Serge

"Berserker@Quake2 is the heavily modified idTech2 engine, based on quake2-3.21 source code. OpenGL renderer uses the classic forward rendering technology. Main feature is per-pixel lighting (PPL) and real-time shadowing using stencil shadow volumes. Lights/Shadows processing based on Tenebrae source code."