The tech point numbers began to increase in size each time they changed. Eventually it began covering part of the screen and making an invisible square not allowing me to select certain blocks. Bizarre glitch.
If you can't control the directions while falling down it should be sped up. It can take a long time. Also is there a quality option? If not that'd be great for next time.
Gold or another common currency should implemented to allow buying any resource, though at steeper prices perhaps. Also pressing shift during the credits didn't make end quicker...strange.
Should be retitled "Password escape" because of how many passwords are required. Personally I prefer escape games that require combining and logical applications not password hunting.