/df_ndm_itemsSpawn [0-2] (default: 1) 

Configures the spawning of the items in the Tricks Mode and Fast Caps gametypes.

  0: off        - items never spawn
  1: selective  - pickable items spawn
  2: on         - every item spawns

NOTE: The cvar df_mode must be set to Custom Settings (value 0) for this cvar to take effect.