LogiBrain Network vs Killer Sudoku Pro

If you like logic puzzles games then LogiBrain Network will be exactly what you need! It will crack your mind when solving the puzzles. Your task is to fix the broken network. It's not that hard! Rotate the network pieces by touching them, do this in such a way that every piece is connected to every other piece. Step by step you will connect all the pieces and create one network where all pieces are connected. Do it as fast as possible! GAME FEATURES - 2 difficulty levels (1 star is easy, 2 stars is hard) - Different puzzle sizes (6x6, 9x9, 12x12) - 2000+ puzzles to solve (no hidden in-app purchases, all puzzles are free) - The game works without Wi-Fi and Internet. You can solve the puzzles offline anywhere - Search for errors and highlight them - Automatic saving - Supports tablets - Check for errors and remove them - Get a hint or the complete solution whenever you want - Go steps back and forth - A great workout for your mind GAME MODES - Easy 6×6 - Easy 9×9 - Easy 12x12 - Hard 6x6 (edges are connected) - Hard 9×9 (edges are connected) - Hard 12x12 (edges are connected) Enjoy solving the mind cracking network puzzles. You can play this game offline, no Wi-Fi or Internet is required. Questions, problems or improvements? Contact Us: ========= - Email: support@pijappi.com - Website: https://www.pijappi.com - Support: https://www.pijappi.com/apps/logibrain-network/?store=apple#support Follow us for news and updates: ======== - Facebook: https://www.facebook.com/pijappi - Instagram: https://www.instagram.com/pijappi - X: https://x.com/pijappi - YouTube: https://www.youtube.com/@pijappi

Killer Sudoku represents the evolution of classic number puzzles. This implementation delivers a professional-grade experience with rigorous validation and optimized puzzle generation. TECHNICAL SPECIFICATIONS: • 9×9 grid with standard Sudoku constraints (row/column/box uniqueness) • Cage partitioning algorithm generates 15-35 cages per puzzle • Target sum constraints with intra-cage non-repetition rule • Three calibrated difficulty tiers: - Easy: 1-3 cell cages, 12 given cells - Medium: 1-4 cell cages, 6 given cells - Hard: 1-5 cell cages, 0 given cells (pure deduction) VALIDATION ENGINE: Real-time conflict detection monitors: • Row duplicates (horizontal constraint) • Column duplicates (vertical constraint) • Box duplicates (3×3 region constraint) • Cage duplicates (intra-cage uniqueness) • Cage sum overflow (partial sum exceeds target) • Cage sum mismatch (completed cage sum ≠ target) PERFORMANCE METRICS: • Puzzle generation: under 2 seconds (optimized backtracking algorithm) • Auto-save: 500ms debounced writes to UserDefaults • Undo stack: 100-step history with O(1) rollback • Timer resolution: 1-second precision with pause/resume USER INTERFACE DESIGN: • Dashed cage boundaries with 2pt inset rendering • Head cell displays target sum (smallest index in cage) • Cage completion state: green overlay for correct sums • Related cell highlighting (same row/column/box) • Cage highlighting (all cells in selected cage) • Note mode: 3×3 candidate grid per cell ALGORITHMIC GUARANTEES: • Every puzzle has exactly one valid solution • Cage partitioning ensures logical solvability • No guesswork required—pure deductive reasoning Optimized for iOS 16+. 100% offline operation. Zero network dependencies.