Published on the Dreamcast in 2005, Trizeal is one of the last games to be officially released on the console. It was also published on the PlayStation 2 in 2006. Trizeal Remix was released for Windows in 2016, and a sequel, Exzeal, arrived in 2007.
Founded in 2002 by former Konami staffer Toshiaki Fujino, Triangle Service is also responsible for XII Stag, XIIZEAL and Arcade Love: Plus Pengo.
The related game Deltazeal arrived on Nintendo Switch in August of this year.