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This is a cool map by heyo. It is based in an ancient Tiki village with temples and winding waterways. Cool for water building or \"ancient\" rp.
GM_RiverTrek has a whole river you can go around. You spawn in a tiki village and can spawn drivable boats to drive around the looping river and go through the ancient ruins. You will notice there is a volcano looming in the distance. If you dare to enter the sacred temple of the volcano god, get past his challanges, and take the sacred treasure out, you shall feel his wrath.Also it has a dynamic weather system, every few minutes it may get cloudy and start thundering.