Stumm Gas caused nausea and unconsciousness. In one case in every 250 it was fatal.
Its use was banned in open areas.
Block Mania Game[edit | edit source]
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.
Dredd: The Card Game[edit | edit source]
Stumm Cannon could be issued to a vehicle resource.