Titan is about what you'd expect with a name like that. Free-roam Arkanoid where the main threats are skull blocks and time. The usual.
Level Select#
At the title screen, press Up, Up, Down, Down, Left, Left, Right, Right. The stage and round options in the set-up menu can now be toggled with Left and Right. Start the game to go to the chosen level.
(Source: GameFAQs (oblivion from aoc))