Setari you CAN block just click the monster you want to use to block when the enemy is attacking eg.
He attacks
I click my Shield Wall and select block
I block.
To get Sparta while drinking coffe simply build 15 repairmen, 1 fully upgraded flamer joe in the middle spot, 2 times wall upgrade and 2 shields (1 full upgraded and 1 with how much money you have left)
jessy, wait at the window with the earth showing. The hedgehog will eventually appear and wait for it to fall into the earth. You'll get the roadhog trophy and the card.