Headcannon is a specialized American independent development studio founded by industry veteran Simon Thomley, renowned for their expertise in faithful retro-style game development and classic franchise revivals. Based in California and operating as a sole proprietorship, the studio works remotely with independent contractors and clients worldwide, reflecting a modern approach to collaborative game development. Headcannon has developed their own proprietary Headcannon Game Engine, a script-based multi-platform 2D game engine with corresponding development tools that enables them to create authentic retro experiences across multiple platforms. The studio specializes in meticulous recreation of classic gameplay mechanics and visual aesthetics, often working closely with other passionate developers and original franchise creators to ensure authenticity and quality. The name "Headcannon" derives from "headcanon," suggesting the creativity and personal expression they hope to display within their work while fostering similar creativity in other aspiring developers. Known for their technical precision and deep respect for gaming history, Headcannon has established themselves as trusted specialists in bringing beloved classic gaming experiences to modern audiences while maintaining the original charm and gameplay feel that made these titles legendary. Their collaborative approach and technical expertise have made them valuable partners for publishers seeking authentic retro gaming experiences.