Here is the full list of all 8 Outside the Window achievements.
Use up the last brick, take your time to enjoy the view outside the window, thank you for the tour, and then turn off the game and go out for some air.
Unlock the right block, leave the birthplace, and look at the castle silhouette.
Unlock the left block. But there is still a feeling of covering one eye.
Hell difficulty, break 250 points. No more, no more.
Hell difficulty, break 100 points. ✓✓✓
This is your first point deduction! There are 9 points left this year, so please pay attention to traffic safety.
You seem to have squashed something, but after that you get used to it.
Unlock the middle block. Start the game for the first time.