Can you fill the entire grid β with every number in the right place? Number Chain is a logic grid puzzle where you place consecutive numbers across a grid so that each one touches the last β horizontally or vertically. One path. No guessing. Just pure sequential thinking. β HOW TO PLAY β A grid appears with a few numbers already placed. Starting from 1, place every number in sequence until the entire grid is filled. Each number must be directly adjacent β left, right, up, or down β to the number before it. No diagonal moves. No skipping. The chain must be unbroken. Each level is handcrafted. Each has exactly one solution. No randomness. No luck. β SMART FEATURES β β’ Intelligent hint system β each pointing to your optimal next move β’ Instant undo β backtrack without penalty, experiment freely β’ Full solution viewer β when you genuinely need it β WHO IS THIS FOR? β Number Chain is for anyone who loves logic puzzles β especially if you've ever played Sudoku, Kakuro, Futoshiki, or any number-placement game. The rules take 30 seconds to learn. The later levels will take everything you have. It's also a genuine brain workout. Sequential number puzzles develop working memory, spatial reasoning, and forward-planning ability. Five minutes a day is enough to notice the difference. β NO FRICTION, JUST PUZZLES β No account required. No forced tutorial. No energy system. Download, open, and start solving. Level 1 is waiting. The grid is set. The numbers are placed. The path exists β and only you can find it. Download Number Chain free today.