Leviathan Codex

A Sonar Descent

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Released: Monday, June 15, 2026 Platform: Browser (desktop & mobile)

About this game

Leviathan Codex — a five-minute deduction descent. Sonar-ping a grid of cells. Numbers count adjacent leviathans. Pry up the fossils. Wake nothing. Reach the codex stone.

How to play

Leviathan Codex 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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Leviathan Codex 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 504 games.