wait, i found it. but is an invissible card, and i cant see the "get-item" icon, i just walk through the corridor clicking like an epileptic and later i can see/use the keycard in the inventary. i will try download it again, or maybe is my laptop. again, sorry for the bad english.

i'm really sure, in that chamber (gas mask-batteries-173 document) i cant find a keycard.

A really stupid bug: i cant find a keycard. i did a map of all the zones (3 times, 3 different seeds) but i cant find a keycard yet. i need a keycard to continue through the game. i spawned a level 2 keycard and i used it in all possible rooms but i need a lvl3 or highest lvl card to enter into high...