Commit to
the glide.

Gather every gem. Find your stopping point.

PICK A DIRECTION

Think beyond the next gem.

You keep sliding until a wall or a stop pad. Diagonals count.

◆ Collect all gems◎ Stops your glide✹ Mine: undo to recover▣ Wall: stop just before it

How to play

Move with the eight arrow buttons or click any board tile in the direction you want to travel. A target does not stop your glide.

Keyboard: arrow keys for straight moves; Q E Z C for diagonals; W A S D also work. U undoes. The number pad works with Num Lock on.

Collect every gem and finish the glide alive. You can revisit any square. Hints highlight a safe next direction toward a complete route; they mark the room assisted.

Source & credits

Inertia by Simon Tatham, with rules and generator design by Ben Olmstead. Original generator and solver produced these fifteen rooms. Movement ported to JavaScript with a new browser interface.

GitHub source · MIT license

Commit tothe glide.

Commit to
the glide.