What are these gold doors? I have reached all three endings and been in the added secret room that appears after the train ending. The only obvious thing it occurs to me that I haven't done is break into the vault.

game looks awesome, I wanted to know if there will be Steam Achievements in the game, I really hope so *fingers crossed*...either way good luck with the game

Hi I was playing the game and had collected 60+ coins then I had to go somewhere , so I exited the game, when i returned the coins were lost, is this a bug or game feature or am I missing something.

https://steamuserimages-a.akamaihd.net/ugc/914659215887961536/24DBFD5190B199B89FC44B3E5C5FDC88B23A33E3/ As you can see in the pic, there is a secret door behind the six blocks. I think this is the only door I haven't enter, but how can I do that? Should I enter the other door which can portal me here? Where is the other door? Please help me....