WeightCalRey is an educational puzzle game that challenges players to solve animal weight mysteries using logic and math skills. Players work through multiple equations showing different animal combinations with their total weights and must deduce individual animal weights through deductive reasoning and basic algebra. The game features three difficulty levels ranging from easy with 3 animals and 60 seconds to hard with 5 animals and just 30 seconds. Each level offers different weight ranges from 1-50kg in easy mode up to 1-1000kg in hard mode. Players can track their progress with real-time scoring and accuracy statistics while competing on global leaderboards. The game includes a countdown timer system that adds pressure and excitement to each puzzle. Educational content teaches about real animal weights from over 40 different species through beautiful emoji representations. The interface features smooth animations and satisfying sound effects that enhance the gaming experience. Players can save high scores with personalized names and challenge friends through the competitive leaderboard system. Perfect for students teachers and puzzle enthusiasts who want to sharpen their critical thinking skills while having fun with an engaging and educational math-based puzzle game.