A free logic game — play it in your browser, no install. FL80R is an interactive web game that is full of interactive puzzles
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Open the live demo Source on GitHub80 floors. No saves. No checkpoints. No mercy.
A browser-based puzzle-logic game. Climb a mysterious building one floor at a time. Every floor is its own puzzle, and it won't let you go back.
All Creative Control Direction (Functions & Features) is made by Me. Claude Code simply helps with the logic and structure.
FL80R ("Floor 80") drops you partway up an 80-storey building and dares you to reach the top. Each floor is a self-contained challenge: a riddle, a bit of math, something hidden in plain sight, a chase, or a boss. Solve it to climb. There are no saves and no checkpoints.
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