How much does your brain weigh? Find out with Big Brain Academy, the DS title that makes mental exercise incredibly fun.

• Big Brain Academy is a series of minigames (called Activities) that are designed to exercise the brain. Players can "weigh" their brain in Test mode, earn medals for individual activities in Practice mode or play against friends and family in Versus mode.
• Big Brain Academy's Test mode will quiz players in five areas: thinking, memorization, computation, analysis and identification. After taking the test, players will be told the "weight" of their brain and areas of strength or weakness –

Give your gray matter the workout that it needs to stay sharp and focused. Brain Age: Train Your Brain in Minutes a Day is inspired by the research of Dr. Ryuta Kawashima, a prominent Japanese neuroscientist. His theories revolve around keeping brains stimulated by performing mental activities quickly.

• Brain Age is a series of exercises designed to give brains a workout. Activities include performing math problems, counting people going in and out of a house, drawing pictures on the touch screen and reading classic literature out loud.
• When users start a new game, they will take a series of tests

In the last Chibi-Robo, our diminutive hero restored happiness to the Sanderson home, but in this DS sequel, he's taking on the great outdoors.

• Playground equipment in the park is disappearing mysteriously and the flowers in the park have been transformed by evil monsters. It's up to Chibi-Robo to save the day and make the park a nice place to visit again.
• This time around, Chibi-Robo gets to flex his mechanical muscles in new and interesting ways. He rides buggies, cars and boats across lawns and ponds, fights mysterious enemies with his trusty

In the center of the world, the Mana Tree grows, sheltering everyone under its strong limbs. Its magic protects the world, but it also tempts some to steal its power for their own ends. Now, a handful of young heroes must band together to keep the magic of the Mana Tree from being corrupted by evil.

• Play the adventure solo or with friends in four-player local wireless games. Or take on the most difficult challenges, fight formidable foes and even fight one another for loot.
• Unlock the power of the gems. Players use hundreds of magic gems to customize characters

It's game night and everyone's invited. Play more than 20 classic board, card and party games alone or with friends.

• With familiar favorites like checkers, darts and poker, Clubhouse Games will appeal to everyone from kids to adults. Video game newcomers will appreciate the easy-to-use interface, while card game novices will appreciate each game's rules section.
• Players can challenge up to seven friends with one game card via Multi-Card Play or DS Download Play. Can't play checkers without shouting "KING ME!" across the table? The

Custom Robo: The sport of tomorrow. In the not-too-distant future, competitors battle customized robot warriors in holographic battle arenas. Victory is determined not only by fighting skill but also by how well Robo Commanders design their robot gladiators, so players need both brawn and brains to survive.

• Players explore a sci-fi landscape as they fight toward the Custom Robo championship, powering up their Robos as they go. With tons of unique parts, there are literally millions of possible Custom Robo combinations, giving players complete control over how they fight their battles.
• Players can challenge their friends to one-on-one Robo battles

Players take their elite strike fighters to the skies and hunt down a mad dictator before he takes over the world.

• As Nintendo's first realistic flight shooter on Nintendo DS, DS Air lets players customize their fighters with a state-of-the-art weapon loadout.
• Send wave after wave of enemy fighters to their doom in dogfights over land, sea and air.
• Meet a wingman for co-op play and soar to victory over Nintendo Wi-Fi Connection.

In a jam? Well, all these guys DO is jam! Prepare to rock as these beat masters use their groovy moves to save the day.

• As the music plays, players tap the screen, trace rhythmic patterns and keep the beat as the story unfolds on the top screen. • Every scene is accompanied by rump-shaking tunes, but players have to keep the Elite Beat Agents grooving. The worse players do, the worse the story might end up.
• Rhythm games have come and gone, but no one has ever seen anything like the Elite Beat Agents. Whether they're helping a lost

Get back into the swing of things as Donkey Kong goes vertical.

• King K. Rool is up to no good again, and it’s up to Donkey Kong to swing into action. Using the same simple control scheme that made the DK: King of Swing Game Boy Advance SP game so accessible and fun to play, players of all skill levels can swing and climb to new heights made possible by the dual screens of Nintendo DS.
• Not only does Adventure mode feature Diddy Kong as a sub-character, but players can look forward to new moves, new items and a bunch

From the creators of the acclaimed Street Fighter II arcade game comes Super DBZ®, a new, highly intense DBZ fighting experience unlike any other Dragon Ball Z game. Super DBZ features an all new DBZ fighting system plus intense combos for super damage! With multiple unique special attacks and fighting styles for all 18 characters, Super DBZ gives players a more hard-core 3D fighting experience in the air or on the ground, complete with enough super-fast combination moves and dynamic battle scenes to satisfy any DBZ buff.