Co-Op Event 4: The DK Tag Calamity (also called DK's Tag Calamity) is a Co-Op Event Match in Super Smash Bros. Brawl. In this scenario, Donkey Kong and Diddy Kong are tiny, and their opponents are normal-sized. The player can collect Lightning Bolts to make opponents smaller and easier to KO.
- The song played in this event is King K. Rool/Ship Deck 2. This song is normally available in the Rumble Falls stage.