Tetsuhiko Kikuchi (aka Han), the apparent director of the game, his hinted on his homepage(Japanese) that the game has indeed been cancelled. The game’s original official website, no longer exists. It was originally slated for release in May of 2001, but thanks to many delays, the game no longer has a foreseeable future.Other possible titles for the game included Tiny Toon Adventures: Defenders of the Loony-verse, Tiny Toon Adventures: Defenders of the Universe, and Tiny Toon Adventures: ACME Invasions. Originally developed by Treasure Video Games, it was originally slated for the PlayStation 2 and possibly the Nintendo GameCube.
Tiny Toon Adventures: DotL is the name of Tiny Toon Adventures video game that seems to have been cancelled.