Grid Hero - Logic Puzzles

Welcome to 'Grid Hero' – A growing collection of number-based puzzles!
Games Included:
Hitori, Sudoku, Kuromasu, FindNine, Skyscrapers, SlitherLink, Binairo, Dominosa, Battleships, Tents, Light Up, Shikaku, Minesweeper, Renzoku, Masyu, FourWinds, Nurikabe, Arrows, Gappy, Doppelblock, EulerSquare, Thermometers, Bricks, Oneness, Hundred, Kakurasu, Walls.
100 challenge levels every week.
All games support Game Center leaderboards.
Contact: [email protected]
Hitori: Black out squares to avoid repeats in rows/columns, keep unblackened squares connected.
Sudoku: Four difficulty levels, features Pencil Mode, Auto-fill, Candidate Lock, Undo/Redo.
FindNine: Circle 1-9, ensuring row/column sums ≤ 9.
Oneness: Convert all numbers to 1.
Kuromasu: Black out cells ensuring numbered cells see correct white squares, keep all white squares connected.
SlitherLink: Form a loop, ensuring segments match surrounding numbers.
Skyscrapers: Place skyscrapers with unique heights per row/column; numbers outside show visible buildings.
Binairo: Fill with X and O, no more than two consecutive, equal counts in rows/columns.
Dominosa: Pair adjacent numbers, each pair used once.
Battleships: Locate ships avoiding contact; row/column numbers show ship parts.
Tents: Place tents next to trees, matching row/column counts, no touching tents.
Light Up: Illuminate all white squares with bulbs, avoiding overlaps.
Shikaku: Divide grid into rectangles; each area matches its number.
Minesweeper: Uncover all mines.
Renzoku: Unique numbers per row/column; connected cells differ by 1, others differ by more.
Masyu: Draw a loop through all circles, following black/white rules.
FourWinds: Extend lines from numbers to match the total squares passed.
Nurikabe: Separate white islands with black walls, ensuring connectedness.
Arrows: Adjust arrows so each number matches incoming arrow sums.
Gappy: Shade cells so white squares between black match outside numbers.
Doppelblock: Fill rows/columns with 1-N and two black cells per line.
EulerSquare: Fill cells uniquely with letter-number combinations, avoiding repeats.
Thermometers: Fill from the base, matching outside numbers for filled squares.
Bricks: Ensure bricks contain one odd, one even number per row/column.
Hundred: Ensure rows/columns sum to 100, adding digits where needed.
Kakurasu: Shade cells to match row/column totals, with increasing cell values.
Walls: Draw horizontal or vertical lines in the grid, and the total length of lines from a numbered square matches the number.
New games are continuously added—stay tuned!