Koopa's Revenge: Koopa’s beloved friend Goomba was having a birthday party, but the party was smashed by the Mario Brothers in absence of Koopa and Bowser. Now Koopa has no option but to take revenge. Use left and right arrow keys to move, up arrow to enter door, down arrow to go down, spacebar to jump or flap wings, and press ctrl key to run or breath fire. In each level you have to help Koopa to reach the end flag to progress to the next level while defeating various enemies like baby Marios, toads, yoshis, birdies, fire balls, thwomps, skeletoads, and many others. Collect various items like coins, shells, question blocks, fire flowers, feathers, yoshi eggs, 1-ups, bowser coins, etc to help Koopa in his quest.