Antimatter Systems is a gamified educational platform that leverages creativity and AI to help students master complex subjects. Unlike traditional AI tools that simply provide answers, Antimatter's 'Sorcerer' AI is designed to ask the right questions, providing a differentiated learning experience that assesses what a student knows and guides them through what they do not. The platform features a variety of interactive multiplayer games such as MemeQuiz, where students create subject-related memes to be used in quizzes, and Heatmap, a visual tool for collective knowledge sharing. Another standout feature, 'New Phone Who Dis,' allows students to simulate text message threads between historical or fictional characters to deepen their understanding of perspectives and events. Built for educators and learners alike, Antimatter serves as a powerful tool for formative assessment, turning the classroom into a space for collaborative, play-based mastery.