WORLD2-2 difficulty level a little easier WORLD2-3 difficulty level a little easier WORLD3-4 difficulty level a little easier WOLRD7-4 Adjustment of checkpoint locations WORLD12-1 Gently adjust the height of the last wall. WORLD12-3 Provide space for practice WORLD12-4 Gently adjust difficulty for 2 or 3 players WORLD13-2 Gentle time limit for 3 players WORLD14-3 Adjust the position of the goal. WOLRD15-1 Placement of checkpoints WORLD15-4 Gently adjust the difficulty level. DARK2-2 Adjust the number of balls DARK2-4 Gentler time for the last block when 3 players