The Digital Disc Key (DDK), is a recurring puzzle in Dino Crisis, where rather than through simply using keycards the player must solve an alphanumeric puzzle to gain entry to a room. Each room locked by DDK requires two discs - an "Input" and a "Code" disc, paired up by code letters.
List[]
- "DDK Code Disc D" and "DDK Input Disc D", which open the Passageway.[1]
- "DDK Code Disc E" and "DDK Input Disc E", which open the Experiment Simulation Room.[1]
- "DDK Code Disc H" and "DDK Input Disc H", which open the Chief's Room.[1]
- "DDK Code Disc L" and "DDK Input Disc L", which open the Main Hallway B1.[1]
- "DDK Code Disc N" and "DDK Input Disc N", which open the Elevator Hall.[1]
- "DDK Code Disc S" and "DDK Input Disc S", which open the Parts Storage.[1]
- "DDK Code Disc W" and "DDK Input Disc W", which open the Disembarkation Immigration Office.[1]