Step 3
The Galactic Cipher
So, you already know what to do with the key. It's time to move on! Go to the next sidebar. You need to find one more code letter so that the autopilot system is disabled and the interdimensional jump succeeds! Study this puzzle carefully and identify the letter you need, or maybe more than one letter, by elimination. And as you've probably guessed by now - it also needs to be written out, you'll need it!