One-Step Slide
Swipe, glide with two fingers on a trackpad, or use the Arrow / WASD keys to nudge every tile one square in that direction. Tiles stop against the board edge or another tile unless they can merge. A new tile (shown in Next) enters along the opposite edge.
Green + Orange → Gray
Green and Orange tiles never merge with themselves — only with each other! Push an Orange tile into a Green tile (or Green into Orange) to fuse them into a calm Light Gray square.
Weaving the Tapestry
From Light Gray onward, any two identical pattern squares merge into the next stage, adding a new geometric layer while darkening the warm gray canvas slightly each time:
