Coldshot

One room a day. Five charges. No second go.

You fire once. The shot reflects off the walls, and every wall it touches goes cold and stops being solid, so your own ricochet carves its own way through. The fourth bounce happens in a room the first three created.

• One room a day, the same room for everybody, and the score is how few charges you needed.
• A day cannot be replayed. Leave halfway and it picks up where you left it.
• A spoiler-free result block to paste anywhere: a mark per charge, and nothing about the room.
• Every day before today is in the archive, one go each.
• Free play for a room that counts for nothing.
• Lose, and the answer is drawn on the board before you leave.

No account, no download, nothing to install. Works offline once loaded.

Controls. Drag below the board to swing the cannon, or touch inside the board to point straight at a spot. Let go to fire. On a keyboard: arrows to aim, Shift for fine, Space to fire.

The dotted preview shows the first two bounces and no further. Past that, the room the ball is flying through does not exist yet.