You cannot. Additionally, going back to play levels you have beaten can unexpectedly reset the game completion to that level!
Find the key. You may have to click, move, wave, type, or sometimes just wait.
(see the related question, which links to the individual answers)
There are 25 levels on each of the 3 games: Me and the Key, Me and the Key 2, and Me and the Key 3.
There are no lettered levels on Me and the Key 2.
Find the key (see the related question below). You cannot skip levels, although you can go back to play them again. Beware because the game may reset your completion level to that earlier level!
You must get PERFECT on at least 40 levels :)
False Catastrophism is not the idea that the present is the key to the past. Uniformitarianism is the idea that the person is the key to the past.
You just get past them...
No theres none.
The Key to the Past - 1915 was released on: USA: 22 November 1915
press the righ key on the key board
Uniformitarianism.
There are 15 levels. If you past them all, your a bamboo master.
Without doubt it is the key to the future, although it may also be an echo from the past.