Sprite Flow is an AI sprite animation generator and sprite sheet maker for game development. It creates production-ready sprite sheets, walking cycles, and JSON atlases with consistent visual style. The tool is designed for game developers, including solo indie developers and teams working on role-playing, strategy, mobile, and casual games. It supports workflows for Unity, Godot, and Unreal Engine. The platform includes features for sprite generation, character design, 8-direction sprite creation, sprite replacement, scene asset extraction, game sound effects, and character management. It can generate idle, walk, run, jump, and attack animations, including 6 to 8 frame walking cycles and combat moves. Sprite Flow provides automatic sprite sheet grid packing with JSON metadata, collision data, and animation controller presets. It also supports top-down and isometric sprites with automatic 4 or 8 directional views, and can produce NPC variations with consistent art style across outfits, colors, and equipment tiers. The typical workflow begins by uploading a character image or describing the character's appearance. Users then choose an art style preset such as pixel art, 2D cartoon, or anime, or train the AI on their own reference images. After selecting an animation type, frame count, and speed, the system generates animation frames with style consistency. Output can be downloaded as APNG, GIF, or ZIP with individual frames. Export options include one-click integration with Unity, Godot, or Unreal through sprite sheet atlases, JSON metadata, and animation controller presets. The tool is intended for rapid prototyping, game jams, and production asset creation without manual pixel-by-pixel drawing.