Successfully complete missions 1, 2, and 3 to unlock missions 4, 5, and 6. Mission 4 is based on mission 1 with a single life, double damage weapons, and no continues. Mission 5 is based on mission 2 with a time limit in each room and no continues. Mission 6 is based on mission 3, with very little health, few health power-ups, no other power-ups, and no continues.
Play as the Monkey
Successfully complete missions 4, 5, and 6 to unlock the Monkey. The Monkey fights similarly to Bruno.
Play as original Bruno
Collect all illustrations in the game to unlock the original Bruno from Die Hard Arcade.
Play as Cindy
At the character selection screen, highlight Ivy, then hold Start to unlock Cindy from Die Hard Arcade.
Tranquilizer Gun mini-game
Successfully complete the game once.
Infinite credits (Tranquilizer Gun mini-game)
Successfully complete missions 1, 2, and 3 without using any continues to have infinite credits for the Tranquilizer Gun mini-game.
Note: This trick requires the Dreamcast Web Browser. Load the web browser and enter the Dreamcast Network site. Enter the Games/Downloads/Game Extras area. Download the "Dynamite Cop Detonator Pack" on a VMU that contains a saved file from the game. Then, start the game CD and enter the option menu. Select the "Detonator Pack" and choose to combine the Detonator Pack with your existing saved game file. The following extras will now be unlocked. A bonus stun gun weapon will appear randomly during the game. Extra graphics will appear in Caribbean Pirates mode. Highlight Ivy at the character selection screen, then hold Start to unlock Cindy from Die Hard Arcade.