Build and expand a dam in this idle simulation game. Earn profits by releasing water and upgrade your dam. Unlock a fishing fleet to catch and sell fish for even more rewards.
Reviews of Dam Builder 3D are mostly positive: the game is rated 4.8/5 from 10K App Store ratings. What users like most: fun and addictive gameplay, ability to make money. Top complaints: excessive ads, long ad durations. Summarized from real user reviews.
0.8.7
July 3, 2026
Update SDK, replace World II scene, fix bugs, adjust values
$1.99
Diamond Pack 1
Contains 200 diamonds.
3 issues
Ads not working as intended
Game freezing or crashing
4 requests
More maps and levels
Reduced ad frequency
Dam Builder 3D is a casual idle game where players construct and expand dams. You earn in-game currency by releasing water from your dam and can further increase profits by upgrading dam sections and managing a fishing fleet.
You earn money by releasing water from your constructed dam. Additionally, after unlocking the upstream dock, you can send out fishing boats to catch fish and sell them at the dock for extra profits. Upgrading your dam sections also increases your earnings.
Yes, the game offers in-app purchases. You can use diamonds to unlock new fishing boats and expand your fishing fleet, which can accelerate your profit generation.
The primary activities involve building and upgrading your dam, managing water releases for income, and operating a fishing boat to catch and sell fish. The game focuses on gradual expansion and increasing your revenue streams.
