Send signals. Read patterns. Find the shapes.
A hidden-information deduction puzzle game. Fire signals from the board edge, observe how they interact with hidden shapes, and deduce their positions. Every signal tells a story.
New here? A guided walkthrough: fire signals, count bounces, probe cells, and place your first shapes.
Campaign, random puzzles, and daily challenges. Master the art of signal deduction solo.
Puzzle Master, co-op, and race modes. Compete or collaborate with other players in real time.
A fresh challenge every day. Everyone worldwide gets the same puzzle — compare your signal count.
Design your own boards, place shapes, and publish custom puzzles for others to solve.
Browse all preset shape libraries. Explore templates, skills, and color rules for each set.