Do I need to play the game?

Hint 1 of 4:

Of course you need to. That's the basic rule of the Simon the Sorcerer games:
All that can be done, has to be done. No red herrings, no waste of time.

Hint 2 of 4:

It is not so easy to enter the game.

Hint 3 of 4:

You must disable one of the players first.

Hint 4 of 4:

And it is not so easy to play the game to reach the desired result.