Lumen Place bulbs so every cell is lit, but no two bulbs may shine on each other. illuminationPlay → Pulse Light every lamp on a hexagonal field. Each pulse flips its own lamp and all six neighbours. chain reactionPlay → Glow Light every lamp on the classic square board. Each tap flips one lamp and its four neighbours. classic lightsPlay → Towers Build a skyline of shades 1–5. Edge clues count the towers you can see. visibilityPlay → Skyline Towers in a hurry: shades 1–4 on a 4×4 grid. Same rules, faster solve. visibilityPlay → Cats Sit one cat beside every bowl. Cats never sit side by side, and the counts must match. pairingPlay → Bloom Grow every numbered seed into a bed of exactly that size. Equal beds may never touch. garden bedsPlay → Scales Fill cells with weights so every row and column hits its exact target. weighted sumsPlay → Feather Scales in featherweight: a 4×4 board, smaller sums, same weighing rules. weighted sumsPlay → Reflect Bend the laser through numbered targets in order, then out through the port. reflectionPlay → Privacy Move every dot into a room of its own, with no crossed paths. privacyPlay → Pearls Dive from pearl to pearl in straight lines, never turning back, until none are left. gatheringPlay → Elbow Fill the workshop with L-shaped carpenter's squares, one bend and one arm each. joineryPlay → Ink Spill blots so each numbered circle touches exactly the total it asks for. sumiPlay → Mats Lay mats to cover the floor, matching every shape clue, and never four to a corner. tatami rulePlay → Astra Join every star into one constellation, no line crossing another. constellationPlay → Regatta Chart one closed course through every buoy. Each buoy sits exactly halfway along its straight run. midpointPlay → Solo Cover the repeats with stones until every number left is the only one in its row and column. stone boardPlay → Metro Lay every numbered line between its two stops until the whole map is served. line networkPlay →