Caldera Keeper

An axolotl defends its volcanic labyrinth, one tower at a time

Strategy
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Released: Friday, April 3, 2026 Genre: Strategy Controls: Click or tap empty cells to build, keys 1-4 to pick tower type, click towers to upgrade Platform: Browser (desktop & mobile)

About this game

Caldera Keeper is a tower defense game where you guard an axolotl's volcanic maze from waves of invading creatures. Place towers like the Lava Spitter on empty cells, switch types with keys 1-4, and click existing towers to upgrade them as enemies push through the caldera. Manage your placements and spending to hold the line across escalating waves.

How to play

Click or tap empty cells to build, keys 1-4 to pick tower type, click towers to upgrade Caldera Keeper 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.

tower defensevolcano gameaxolotl gamemaze defenseplace towerswave survivalupgrade towersstrategy defenselava towerscreature waves

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Caldera Keeper 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 464 games.