You can select System levels for editing (or copying), but you must save the result in a game you have created. Use the left mouse-button as a paintbrush and the editor toolbar buttons as a palette. Use the'Erase 'button or the right mouse-button to erase. You can drag the mouse with a button held down and paint or erase multiple squares.
Cewch ddewis lefeleu Cysawd i' w golygu (neu i' w copïo), ond rhaid i chi gadw' r canlyniad mewn gêm a greuwyd ganddoch. Defnyddiwch y llegoden fel brws paent, a' r botymau ar far offer y golyfydd fel palet. Defnyddiwch y botwm 'Lle Gwag' i ddileu.