Reversi Board Duel vs MindGrid

Reversi Board Duel is a customizable Othello-style strategy game for iPhone. Choose CPU battle or local 2-player mode, switch board sizes and special board shapes, and play with fun piece themes like stars/hearts and dog/cat. Features: - CPU levels: Easy, Normal, Hard, Expert - Board variants: 6x6, 8x8, 10x10, rectangular, and special shapes - Legal move highlights and one-step undo - Smooth flip animations and haptic feedback - Auto pass detection and result summary screen - Dark mode support All gameplay data is stored locally on your device. No account is required.

In a world where we rely on smartphones for basic math, MindGrid brings your mental calculation skills back to life. Whether you are an adult looking to keep your mind sharp or a student mastering arithmetic, MindGrid turns math into an addictive, rewarding daily habit. No math degree required—just pure logic, strategy, and fun! HOW TO PLAY It sounds simple, but it gets tricky fast: 1. Look at the target number at the end of the row. 2. Fill the empty grid cells with numbers and operators (+, −, ×, ÷). 3. Make the row calculate exactly to the target number to clear it! WHY YOU’LL LOVE MINDGRID: • 1,500 Handcrafted Levels: Progress through 10 difficulty tiers—from Beginner grids with simple addition to Legendary tiers featuring massive grids and all four operators. • 100% Privacy Focused: No tracking, no data collection, and no hidden sign-ups. Your progress stays safely on your device. • Daily Challenges: A fresh puzzle every single day tailored to your skill level. Complete it to earn 2× coin rewards! • Combos & Achievements: Place correct answers back-to-back to build up to 10× combos. Unlock 20 unique milestones on your journey to becoming a Math Legend. • Make It Yours: Earn coins just by playing to unlock 5 beautiful color themes (like Dreamy Lavender and Golden Sunset) and 5 stunning backgrounds (including Galaxy and Nature). THE PERFECT BRAIN WORKOUT FOR: • Adults & Casual Puzzlers: If you love Sudoku, Wardle, or crosswords, MindGrid is your next daily obsession. Keep your cognitive functions sharp, improve your focus, and de-stress after a long day. • Students & Educators: A perfect, ad-free classroom tool. Perfect for kids learning arithmetic, students sharpening their speed, or parents looking for productive screen time. Download MindGrid today and start your daily puzzle adventure!