Keys: 1 - grass, pipe, mushroom, and stone block 2 - spike 3 - ? block and brick 4 - coin (click over ? block to put inside) 5 - springboard Z - hold and then click tiles to delete them X - next type of selected item S - move start point to mouse G - move goal flag to mouse M - press when mouse is over a ? block to put mushroom inside A - scroll left in edit mode D - scroll right in edit mode Spacebar - toggle edit/play mode Arrows - move player ingame/rotate selected piece in editor Reset level coins and ? blocks - toggle edit mode, then hold Z