Twine is an open-source tool for creating interactive fiction and hypertext games. Its AI suggests branching narratives and helps structure non-linear stories for text-based game creation.

Roblox Studio includes AI-powered asset generation, terrain building, and code completion for creating Roblox games with Lua scripting.

Replica Studios is a leading AI voice actor marketplace for games and interactive media, offering natural, emotionally expressive AI voice generation for character dialogue. Its library features hundreds of AI voice actors with distinct personalities, accents, and emotional ranges. Developers can generate dialogue, direct performances with emotion controls, and integrate voiceovers directly into Unity and Unreal Engine using provided SDKs. Replica Studios eliminates traditional voice recording costs while maintaining professional quality, making it ideal for indie developers and large studios alike.

RPG in a Box is a voxel-based game creation tool with AI-assisted tile generation, character modeling, and event scripting for RPG creation.

CopperCube is a 3D game engine and editor with visual scripting, physics simulation, and WebGL export. It requires no coding and publishes to web, mobile, and desktop platforms.

PICO-8 is a fantasy console for making tiny pixel-art games with AI-generated sprites, music, and code snippets for game jam creations.