You aren’t stuck with a generic community tank. Biotopes include:
You can purchase directly from the official site (dreamaquarium2.com) or on Steam. A free 7-day trial offers the Amazon Basin tank with 5 limited species. The full version unlocks 12 biotopes and 40+ species, with expansion packs ($4.99 each) for the Reef and Deep Sea biotopes. dream aquarium 2
Pro tip: Buy the "Founder's Pack" ($24.99) which includes all future expansions and a digital art book detailing the creation of the fish shaders. You aren’t stuck with a generic community tank
You can customize individual fish. Alter fin shape, color saturation, scar patterns, and even eye reflectivity. Want an all-black Moorish Idol? Done. A goldfish with a heart-shaped spot on its side? Easy. The editor allows for hex-code color input and exports shareable fish files. The full version unlocks 12 biotopes and 40+
To understand the significance of Dream Aquarium 2, we must first revisit its predecessor. The original Dream Aquarium (released in the mid-2000s) was revolutionary. Using a combination of procedural animation and sprite-based rendering, it created fish that didn’t just swim in loops—they explored, nibbled at plants, and reacted to mouse clicks.
However, as monitors moved from 4:3 to ultra-wide 4K, and operating systems began deprecating classic screensavers, the old engine began to show its age. Enter Dream Aquarium 2. Built from the ground up using a custom hybrid of Unreal Engine 5 and proprietary fluid dynamics models, this new version is not an update; it is a rebirth.