A free puzzle game — play it in your browser, no install. Prism block puzzle: place, shatter lines, keep the cascade alive.
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Open the live demo Source on GitHubPlace prism pieces, shatter full lines, and keep the cascade alive across 24 stages. Four chapters, 8 goal types, 7 special tiles, 8 themes and an endless mode.
Prism Grid is an installable Progressive Web App (PWA). The whole game is a single self-contained HTML file with an offline service worker - there are no runtime network calls, no accounts and no tracking. It runs fully offline once installed.
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