Once Tony has appeared on the screen, you'll have to start walking to the right, jump over a platform, collect sixteen Frosted Flakes (which are arranged to resemble the Kellogg Company's K), jump up onto four more platforms to collect the vitamins E, A, B6, and D in turn, fall down to the ground to collect the vitamins B1 and C, collect a green key, jump up onto a sixth platform, to collect five more Frosted Flakes, drop back down to the ground, and enter a door with a green knob to proceed to the second part of the stage; if you've missed any of the Frosted Flakes here you'll not be able to go back for them.
Once Tony has reappeared in the second part of the stage, you will have to jump up to a seventh platform, walk to the right over the eleven blocks of an eighth platform (which shall crumble beneath Tony's feet as he stands on them), drop back down to the ground and collect eleven more Frosted Flakes, jump up to a ninth platform, drop back down to the ground and enter a door with a picture of Tony's head on it; once you have done so the German text "MIT WEM MÖCHTEST DU SPIELEN?" (which means "With whom do you want to play?") shall appear at the top of the screen and you'll have to push the joystick to the right (or press the right arrow key) to switch to Dig 'Em (listed as Smacks), then press the button (or ) to confirm your choice.
Once Dig 'Em has appeared on the screen, you'll have to drop into the water, swim back to the left to collect three Honey Smacks (the cereal changes, depending on who you are controlling), swim to the right to collect four more Honey Smacks and blow a bubble at a snorkeling ant to kill him; once you have done so, you will have to collect five more Honey Smacks, jump onto a tenth platform and enter a second door with a picture of Tony's head on it. The German text "MIT WEM MÖCHTEST DU SPIELEN?" will then appear at the top of the screen - and this time you shall have to push the joystick to the left (or press the left arrow key) to switch it back to Tony (and his Frosted Flakes) again, then press the button (or ) to confirm your choice.
Once Tony has reappeared on the screen, you'll have to: jump onto an eleventh platform to start it moving back and forth, jump onto a twelfth platform that's circling around in a clockwise direction (to collect two more Frosted Flakes), jump onto a thirteenth platform to start it moving up and down, jump up to the first step of a fourteenth platform, fall down onto that platform's second step, walk onto a fifteenth platform to make it move to the right over a group of sixteen spikes (and collect six more Frosted Flakes), drop down to a sixteenth platform, walk onto a seventeenth platform to make it move up onto an eighteenth one, walk back to the left, and jump up to the first step of a nineteenth platform, jump up to seven more (initially-invisible) platforms (which shall appear beneath Tony's feet as he jumps onto them) and the nineteenth platform's second step, in turn, jump onto three clouds (which will again disappear beneath Tony's feet when he lands upon them) to collect three more Frosted Flakes in turn, jump onto a twenty-seventh platform and collect six more Frosted Flakes, fall back down to the first step of the nineteenth platform, and collect seventeen more Frosted Flakes (these ones are arranged to resemble a letter W), walk back to the right to collect two more Frosted Flakes, continue walking to the left, jump on a Tony Coin to break into five more Frosted Flakes and collect them, jump up to the third step of the platform and jump on a walking ant to kill him; once you have done so, you'll have to drop back down to that platform's first step, collect two more Frosted Flakes, jump onto the platform's third step, collect an 88th Frosted Flake and jump on another walking ant to kill him. You now have to drop back down to the first step of the platform and collect an 89th Frosted Flake, jump up to the fourth step of the platform, collect a giant Frosted Flake (if you were unfortunate enough to get hit, it will restore all of your life-hearts), jump onto a flower to collect two more Frosted Flakes (and land on a flying ant to kill him) - and once you've done it, you'll have to drop back down to first step of the platform, and jump on an acorn-throwing ant to kill him. You'll now have to jump up to a twenty-eighth platform and collect three more Frosted Flakes, jump up onto a twenty-ninth platform (and collect four more Frosted Flakes), drop down to a thirtieth platform (and collect three more Frosted Flakes), fall back down to that nineteenth platform's first step, and collect three more Frosted Flakes, jump back up onto the thirtieth platform and onto two more platforms to collect two more Frosted Flakes in turn, jump onto a thirty-third platform (that is moving up and down) to collect three more Frosted Flakes, drop back down to the first step of the nineteenth platform to collect six more Frosted Flakes, continue walking to the left to the goal and press the button (or ) to finish the stage; however, you will not receive a bonus for the cereals and vitamins you collected on the stage.
However, if you jump up to the left in front of the goal you will land on a thirty-fourth (initially-invisible) platform (which will become visible when Tony jumps onto it); once you've done so, you will have to jump up to a thirty-fifth (initially-invisible) platform (which will, once again, become visible, when Tony lands on it), drop down to the ground to collect a red key, retrace your steps back to under where the 3 clouds had been, walk back to the right through an invisible hole in the wall onto two blocks of the nineteenth platform (which will again crumble beneath Tony's feet, as he stands on them), drop down onto the second step of the fourteenth platform, retrace your steps back to the seventeenth platform, jump up to the left onto a thirty-sixth platform, and press the button (or ) to enter a secret door with a red knob which leads to a third, secret part of the stage (the stage-select area).
Once Tony has reappeared in the stage-select area, you shall have to walk onto a platform, to start it moving upward to one of three more platforms (which each have six doors and one goal on them); the ones on the second platform represent Stages 1-7 while the ones on the third one represent Stages 8-14 and the ones on the fourth one represent Stages 15-21 (the goals represent the boss stages). When you enter a door (or goal) you will immediately be warped to the stage it represents - and if you select any stage after the first, any points you earned on this one shall be carried over.