Stumm Gas caused nausea and unconsciousness. In one case in every 250 it was fatal[1].

Its use was banned in open areas[1].

Block Mania GameEdit

If drawn, the phasing player must choose one interior square containing a blocker. The stumm gas immediately spreads to any adjacent internal square. Rolling 1d6, any blocker is removed from play on a 1-4[2].

Dredd: The Card GameEdit

Stumm Cannon could be issued to a vehicle resource[3].

2000 AD and Stumm Gas copyright Rebellion Developments Ltd A/S 2020


  1. 1.0 1.1 Judge Dredd (series): Block Mania, 2000AD Prog 237
  2. Block Mania (boardgame) Blockers' Manual
  3. Dredd: The Card Game: Stumm Cannon
Community content is available under CC-BY-SA unless otherwise noted.