Thank you. I'm glad you're enjoying it.
And yes, depending on what you do in the game, you will get a different password. On the next tape you must move the two blocks corresponding to the first 2 letters of the password obtained at the end of the first tape. When you move the second, the blocks will be reset and it will be time to move the next two corresponding to letters 3 and 4 of the password. If everything is correct you will start playing. If not, the game is blocked and you have to restart. For the password to be accepted you can only have moved 4 blocks in total.
Try again, and if it doesn't work, send me the passwords to tartessosgames@gmail.com and I'll look at it for you. But it should work for you.