There is plenty of help to get you through the early levels.
Space provides a short jump.
Keys are used to rotate locked bridges.
Now it is time to start shifting. This is the original design ...
... and this is what it looks like after a shift.
Getting the keys is usually the first thing you need to do.
The exit has been reached.
Running through a maze of black and white.
Spikes are instant death.
A more complex design of keys and locked bridges
Every level has a different text message.
Only a single door here without further puzzles
This is the only level where time is an enemy.