Solarus is a lightweight, open-source 2D game engine for action RPGs, inspired by Zelda games. Written in C++ with Lua scripting, it balances performance and flexibility. Its visual editor supports map design, sprite animations, and quests, streamlining development for small teams. Solarus includes tilemap support and basic physics, ideal for top-down or isometric RPGs. It targets Windows, macOS, Linux, and Android, focusing on retro aesthetics. The quest editor enables narrative-driven games without coding, while Lua allows custom mechanics. Solarus powers fan games like Zelda: Mystery of Solarus. Its niche focus limits 3D support, but tutorials and community forums aid beginners. Perfect for retro RPG enthusiasts.