Logic puzzles
LITS
Shade one L, I, T or S in every region, with no 2×2 block.
- 3–10 min
- Single player
Five LettersSudokuCipher QuoteTentsNonogramTarget NumberQueensLights OutEquation HuntTakuzuFutoshikiPipe NetworkSkyscrapersBridgesWord SearchCalcudokuAkariHitoriLine Link
Loading the game…
How to play
- Each region is shaded as exactly one L, I, T or S, counting turns and mirrors as the same letter.
- Two regions with the same letter cannot share an edge.
- All shaded cells stay connected, and no four of them form a square.
Controls
Click once to shade, twice to mark white. Keyboard: arrows, Space, H hint, U undo.
About this game
Free LITS on 5×5 and 6×6 boards, eight levels. Each region hides one tetromino, the same letter never shares an edge, the shaded cells stay connected and no 2×2 is filled. Every level has one solution, counted by a solver. Free boards are that same set.
- Levels
- 8, 5×5 then 6×6
- Solution
- Unique, solver-checked
- Help
- Two-step hint, undo
