Stage 1 - The Giant Rock

Walk onto the ? switch.

Gruntz - Rocky  Roadz: The Giant Rock secret switch

At the beginning of the level walk onto the ? switch. At the opposite side a stair appears giving access to the coin.

At the opposite side a stair appears giving access to the coin. Get the beach ball, step on the blue switch and get the gauntletz. Go to the first checkpoint. Smash the four rocks and get the coin. Kill the enemy straw grunt with your clubz grunt. Smash the giant rock with the gauntletz, then smash the small rock and pickup the coin.

Get the warp stone with the clubz grunt. Cross the bridge with both gruntz. The gauntletz grunt triggers the red warp, the other enters the red warp.
Gruntz - Rocky  Roadz: The Giant Rock red warp
Get the letter and return through the red warp. Take the warp stone piece into the castle.

Stage 2 - Holy Shovelz!