A collection game design document resources.
- Game Dev Underground's One Page Template - Video, Google Doc
- Dungeon Siege and Total Annihilation creator Chris Taylor's Template Doc Alternative
- vitalzigns's Template itch.io
- Bioshock
- Deus Ex
- Diablo
- Doom Bible
- Fallout: Brotherhood of Steel 2
- Far Cry
- Games by Al Lowe
- Grand Theft Auto
- Golden Eye
- Grim Fandango
- Halo 3 UI Doc
- Metal Gear Solid 2
- Metroid 1.5
- Monaco
- Planescape: Torment
- Prince of Persia 2 Bible
- Saint's Row Undercover
- Silent Hill 2
- Super Smash Bros (Wii U/3DS) by Masahiro Sakurai
- Wasteland 2
You can find more in these sites: