PLUMBLINE

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Released: Tuesday, June 30, 2026 Platform: Browser (desktop & mobile)

About this game

PLUMBLINE — a five-minute descent through the Hartline Shaft. Surveyor's tools: Timber (bridge gaps), Lume (dissolve rock), Ink (redact hazards). Each chapter introduces a new resource and a new way the shaft resists you.

How to play

PLUMBLINE runs entirely in your browser — no download or sign-up. Press play above, or open it fullscreen for the best experience on phone or desktop.

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PLUMBLINE is part of GameDaily.ai — a brand-new AI-generated browser game published every single day since Thursday, February 12, 2026. See how the games are made or browse the full archive of 556 games.