In some houses i can open door on 1 floor from 2 floor.
This is a duplicate. Downvote.
Spend some extra time looking for your issue in the issue tracker before posting new ones like this.
Sorry. Just i know english very bad. And i can not formulate a query to search.
according to this, it is fixed #465
Thanks for the feedback, however this has already been reported.
Closing as duplicate of #0000465: Doors on the floor under you will open