microStudio
An open online game engine integrating code, sprites, maps, sound, collaboration, instant execution, multiple scripting languages, and exports.
Why use it
Team members can edit a prototype through a shared link with little setup, making it useful for teaching, jams, and early play experiments.
Where it fits
Use prototypes and playtests to find core experience problems while they are still cheap to fix.
What to check
Cloud accounts, storage, and collaboration depend on service availability; validate offline or self-hosting needs, export formats, and language differences per project.