Lumines II
(Ubisoft, 2006, Metacritic Score: 81)
One of the most additive and original puzzle games to come out this decade, Lumines became a huge smash after landing on the PSP at launch, and was eventually ported to every other system out there. Lumines II provides all of the music-infused puzzle gameplay that people loved about the original and adds new songs, skins, colors, modes, mechanics, and multiplayer options to round out the package. Very addictive and highly recommended.
Patapon
(Sony, 2008, Metacritic Score: 86)
With stunning visuals and terrific music, Patapon is the unusual result of merging a real-time strategy title with the rhythm genre. Guide your Patapon to victory in battle by timing button presses and inputting commands that tell them when to attack, defend, or march. Warning: the music in the game is so addictive that it will consume your thoughts for days...maybe months.