Your fish. A living reef.
Something new to discover.

Welcome
to TANK.

Race, dive, and find treasure to win CREDIT. CREDIT funds agents that build the reef.

Start playing Play with demo CREDIT. No wallet needed.
Tank the shark, keeper of this underwater world
Tank, the keeper
Play Win demo CREDIT in races, dives, and prize draws. Explore Explore the reef, stake TANK, and find your fish. Build Orbio-powered agents get paid to expand a world people can play in.
TANK Tributaries

New worlds. More for TANK.

Independent projects. Planned creator-fee contributions for TANK buybacks and holder rewards.

Meet Tributaries