To celebrate today's Quakecon kick-off a slew of id Software games are on deep discount over on iTunes.

Here's the run down:

Wolfenstein 3D Classic Platinum
is now available on sale for $.99 (was $1.99)

DOOM Classic is now available on sale for $1.99 (was $6.99)

DOOM II RPG is now available on sale for $.99 (was $3.99)

DOOM Resurrection
is now available on sale for $1.99 (was $6.99)

You can hunt them down over here.