Fishtank (also known as fishtank.live) is an interactive reality gameshow / livestream where contestants are locked together in a house that is streamed online 24/7. Viewers watch them live as they spend a set period (4 Weeks, 30 Days) in the house and can influence the show in real time by interacting with the contestants — for example, through text-to-speech messages, sound effects, and paid actions that affect what happens inside the house.

The goal for the contestants (“fish”) is to be the last one standing and win the prize, while enduring challenges, eliminations, and viewer-driven chaos.