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Design & ValidateToolOpen sourceFree
Bitsy
An open-source browser microgame editor for shareable pixel experiences built from rooms, characters, items, and dialogue.
Visit official siteContent record updated Jul 31, 2026Official site reached automatically · Checked Aug 3, 2026
Why it’s here
Strong constraints keep focus on space, interaction, and text pacing, producing playable design evidence within hours.
Best fit
Prototype systems, stories, and interactions, then validate them with real players.
rapid-prototypingnarrative-design
Before you commit
Its default feature set is deliberately small; complex systems, input, and distribution often require extensions or migration.