Ars Demonium Invocatum

The greatest book on demonology has fallen into your hands. Decipher the secret names of demons and subjugate them to your will. At each level, you need to find signs that, when combined, will produce the desired symbol. This must be done using the minimum number of moves. The symbols are added up according to the xor principle. Examples: + = + = The sequence of signs found is the key t…