Goodoku vs Chainlink Puzzle

Goodoku is the ultimate Sudoku puzzle app designed with a simple and intuitive interface. Activate your brain, improve your concentration, and enjoy Sudoku puzzles anytime and anywhere with ease. Key Features: • Various Difficulty Levels: Sudoku puzzles for beginners to experts • Intuitive and Clean Interface: Easy-to-use controls suitable for everyone • Error Highlighting: Instant error checking for when you're stuck Start enjoying fun and beneficial puzzle games with Goodoku. Experience everything from brain exercise and logical thinking improvement to free Sudoku puzzles! Download for free now and discover the true charm of Sudoku with Goodoku!

Chainlink is a unique logic puzzle game that challenges your reasoning and pattern recognition skills. Solve over 4200 carefully designed puzzles, from beginner-friendly 4x4 grids to challenging 9x9 boards, plus special bonus levels for experienced players. Every puzzle has exactly one valid solution and can be solved using pure logic. Objective Fill the grid with numbers so that all rules are satisfied: • Each row contains every number exactly once. • Each column contains every number exactly once. • Each chain contains every number exactly once. Some numbers are already given. Use logic to complete the grid. Grid and Numbers • Board sizes range from 4x4 to 9x9. • In an N x N grid, you use the numbers 1 to N. • The position of numbers is not ordered - only the rules matter. Rows and Columns • Every row must contain all numbers from 1 to N. • Every column must contain all numbers from 1 to N. Chains • The grid is divided into chains - groups of connected cells. • Each chain contains exactly N cells. • In each chain, all numbers from 1 to N must appear once. • Chains can have any shape, as long as cells touch by edges. Given Numbers • Some cells are prefilled and cannot be changed. • These numbers serve as clues to help you solve the puzzle. Progress Start with smaller boards like 4x4 to learn the rules and patterns. As you advance, move on to 5x5, 6x6, and larger grids for a greater challenge. Features • 4200+ logic puzzles • Grid sizes from 4x4 to 9x9 • Bonus levels for advanced players • Day and night mode • Cell notes for tracking possibilities • Hints when you are stuck • Undo moves at any time • Highlighting of errors Train your logic, enjoy the chains, and have fun solving every puzzle in Chainlink.