The Polish crowdfunding exclusive 18 promo cards (only in PL ver.). 10 cards as an add-on (4 Spawn, 3 Loot, 3 Events cards), 8 cards as Stretch Goals (4 Loot, 3 Events, 1 Mission cards): 6 weapons: Grot assault rifle Mors wz. 39 submachine gun Browning wz. 28 light machine gun VIS wz. 35 semi-automatic pistol Self-repeating rifle Model 38M Model 35 antitank rifle 6 events: Troubled air Cut-off supplies Virus Druggist Munitions factory Robbery doesn't pay 4 spawn cards: Duds [unexploded ordnance] Sleeping guards Hunters couple Fortified post 1 mission - Bounty: Charlie 1 consumable - moonshine The last 3 events and 1 mission are particularly remarkable as they were inspired by Grumm city, which is not represented in the game.