Fixed: videos in tutorials ( in UI and in Tutorial level ) didn't played for some people
Fixed: ammo in the Marichka Chase sequence wasn't lit
Remove doors when fight in the Toilet Exit Room begins, they removed when player doesn't look at them - because player could have stumble upon them when running backwards
Made last wave in Toilet Exit Room easier
Added white Z Blockers in the Toilet Exit Room doorways - some people were trying to go through them just to find invisible wall