Hold the cube with your favourite color on top and a color of your choosing on front - this should typically be the WCA orientation (white top, green front). Select your colors:
Click any non-center sticker to set its target character. On desktop, click the sticker and press a key. On touch devices, tap the sticker and enter a single character. Corner targets must stay unique among corners, and edge targets must stay unique among edges. The priority lists are used for permutation cycle breaks only, in the order you write them.
Practice prediction by viewing a "before" state and deciding whether the shown algorithm result matches the "after" state. Use the Start button to begin a session.
Drag to reorder. Invalid triggers are marked red.
Drag to reorder. Duplicate algorithms are marked in yellow. Each entry maps an algorithm to a short name.