When you start the game. Press the entrance of the bar. After walking into the bar, you will see a door/entrance on the right-side of the bar. This leads to the Viking Bar. Once you are in this room, talk to the bartender. His name is Wolfil.
Choose "You know, this key on your chest looks anything but a viking."
Then choose "Yes, yes, the villa. This key makes you look like a maid"
And then "And this key does not fit your rude Viking Helmet"
After, he will give you the key. Which will unlock The "Inner Key" AchievementACHIEVEMENT BREAKDOWN:
- 10-15 Minutes for 2000gSummary
- Previously the achievements required you to complete the game. But after an update, You only need to progress about 10-15 minutes into the game to get all of the achievements. If you're not using a guide, probably 20-30 minutes into the game. VIDEO GUIDE FOR BASE 1000G:VIDEO GUIDE FOR 2nd 1000G UPDATE: