Credits!

id Software - for making Doom, Q3A sounds
3D Realms - Duke 3d sounds
Raven Software - Heretic sprites
Rogue Entertainment - Strife sfx
Blizzard Entertainment - sounds
Valve Software - sounds
Xaser, Zero Prophet - flare and smoke sprites from Zero Tolerance
Skelegant - for a great deal of advice, support and suggestions!

Programs Used:
Paint.NET 5.0.2
Audacity 2.4.2