Goal: Slide into order. Tap tile next to blank.

Moves: Every slide counts. Optimal = Manhattan bound. Below grid shows Moves / Optimal.

Tokens: Start 10k. Tools: ↻ Shuffle 75 • ◎ Find 25 • ◑ Hint 150 • ↺ Reverse 125. Cost rises 2%,3%,5%,7%,11%…

Reverse: Adds 97%,89%,83%… of remaining time.

Score: 5000 + time×10 − (moves−optimal)×15 − assists (shuffle 400, find 150, hint 500, reverse 350). Grid ×1 / ×1.5 / ×2.2