The following Designers contributed to the Creation of Twice Risen. Not all designers' work is visible in released projects.

Michael "Risen" Niggel
Lead Producer, Levels, Graphics, Web page maintenance, Sounds, Textures, ACS Scripting, Weapons,

Nick "NiGHTMARE" Baker
Levels

Joe Crain
Levels

Kristian "Ebola" Käll
Levels

Christopher "Super Cow" Emizeran
Textures

Aaron Elliott
Graphics, Sounds

Rick "Wildman" Clark
Levels

Joel Murdoch
Sounds

Chris Perron
Sounds

Mike "Cyb" Watson
Levels

Pete "Kniggit"
Music

Steve Dudzik
Resource Management

Daniel "Kaiser" Smith Sprites

"Kamikazi" Chris Niggel
Web page design and construction

DoomWorld
Site Hosting

Kevin Boucher
Initial design support

David "Alienfire" Dall
Design support

Doug Prevo, Patrick "Roadhog" Niggel
Early Multiplayer testing

Special Thanks to:

Boris "Tarin" Iwanski Lee Killough
Len Pitre
Edmundo Bordeu
iD Software, for a great game.
iD Software, again, for releasing the source code to that game.
Friends and family, for putting up with me constatly talking about it.

The many developers of the following tools:
DeHackEd
WadEd
WadAuthor
Wintex
Warm
MVP Paint
Paint Shop Pro
Photoshop
Milkshape 3D
And many others...

The many developers of the following source ports:
DosDoom
Boom
Marine's Best Friend
ZDoom
Skull Tag

Any and all persons who inspired or otherwise contributed to this conversion in any way.

Any and all designers who contribute to the world of free gaming experiences.

Any and all persons who keep DOOM alive!