When was the last time you saw a game launch an entirely new genre? Australia Did It, the latest project from acclaimed designer Rami Ismail (Nuclear Throne, Luftrausers) and co-developed by Aesthetician Labs, is looking to do exactly that. Announced today with publisher Mystic Forge, the game introduces what Ismail calls a Tactical Reverse Bullet Hell—a fusion of turn-based tower defense strategy and on-rails bullet-spewing chaos. Launching on Steam later this year, Australia Did It puts players in charge of defending a cargo train hauling precious goods across a monster-infested Atlantic seabed. At each stop, you’ll carefully deploy and merge…