Gotta be in-the-know about the latest game releases right? For that, we've got another edition of On Shelves for this week. We've got a pretty solid batch coming up, starting with the release of Halo Wars and Phantasy Star Portable. Baseball's gonna be big this week as well, with the release of Major League Baseball 2K9 and MLB 09: The Show. More info coming right up!

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Littlest Pet Shop: Spring - Feel like raising your own little big-eyed pets? The franchise continues to grow as the Spring version gets released, bringing more cute and cuddly critters into your handheld.

• Nintendo DS - March 3, 2009
• ESRB Everyone
• US$ 29.99
• Electronic Arts

Halo Wars - The wait is almost over, the RTS title in the Halo franchise is making its way to stores this week. Fans of the franchise will definitely get a good kick out of this one. But with its short campaign and lackluster multiplayer gameplay really doesn't bring this game up to par with titles in the same genre.

• Xbox 360 - March 3, 2009
• ESRB Teen
• US$ 59.99
• Microsoft
  

Major League Baseball 2K9 - The 2009 baseball title of the fast-growing sports franchise is coming out. Keeping true to the publisher's rep, MLB 2K9 features excellent game physics, and you won't have to worry about predictable sweet spots and flyouts that you know where to catch as soon as the bat hits the ball.

• PS3, Xbox 360, Wii, PS2, PC - March 3, 2009
• ESRB Everyone
• US$ 53.99 (PS3, Xbox 360), US$ 49.99 (Wii), US$ 19.99 (PS2, PC)
• 2K Sports

MLB 2K9 Fantasy All-Stars - The DS spin-off of MLB 2K9 provides a light and easy feel for the not-so-serious baseball fans. Instead of the new Yankee Stadium, gamers get to play it out in ghost towns, Aztec ruins, and even inside someone's gut, where you can sometimes hear burping sounds.

• Nintendo DS - March 3, 2009
• ESRB Everyone
• US$ 19.99
• 2K Sports
  

MLB 09: The Show- With smooth graphics, smart AI, and cool features that you won't find anywhere else, this title gives all other MLB titles a run for their money. MLB 09: The Show also features a detailed manager mode, where you can play the boss and build (or sabotage) your own franchise.

• PS3, PS2, PSP - March 3, 2009
• ESRB Everyone
• US$ 39.99 (PS3), US$ 19.99 (PS2), US$ 29.99 (PSP)
• SCEA
  

Phantasy Star Portable - The latest in the Phantasy Star franchise will have an all-new story mode, in addition to new missions and a multiplayer mode that supports co-op gameplay for up to four players. You can even create your own character where players can choose details from clothes, face, voice, and even face details such as eyelashes and eyebrows.

• PSP - March 3, 2009
• ESRB Teen
• US$ 36.99
• Sega

Six Flags Fun Park - When the recession and a bunch of lawsuits got the better out of Brash Entertainment, publishing the game went to Ubisoft, who rose to the occasion by putting the fun into the Fun Park. Choose from 40 mini-games including Skee-Ball, Go Fish, and Strongman to give yourself a light game experience that you and kids can enjoy together.

• Wii - March 3, 2009
• ESRB Everyone 10+
• US$ 29.79
• Ubisoft
  

Sonic and the Black Knight - This is gonna be a bit different from the Sonic that you're used to seeing. While running at his usual break-neck speed, Sonic can now use a sword that you'll be swinging along with the Wiimote, and you can slice foes as you run past them. There will also be civilians in the game, and you will have the option to either help them, to put them out of their misery.

• Wii - March 3, 2009
• ESRB Eveyone 10+
• US$ 46.99
• Sega
  

SpongeBob vs. The Big One: Beach Party Cook-Off - Now's your chance to see if you can cook as well as the best fry cook in Bikini Bottom. Kids who love the jolly yellow sponge and his insane pals might enjoy taking a dive to the pineapple under the sea for this one.

• Nintendo DS - March 3, 2009
• ESRB Everyone
• US$ 29.99
• THQ
  

The King of Fighters '98 Ultimate Match - Terry Bogard and his band of unrelenting fighters are soon to be available on Xbox Live. It's been a while since we've had a retro fighter, and The King of Fighters makes a very welcome addition.

• Xbox 360 - March 3, 2009
• ESRB Teen
• No pricing details
• SNK Playmore
  

Tom Clancy's HAWX - The latest Tom Clancy title features an Enhanced Reality System (ERS) which may include radars, missile detection, anti-crash and damage control systems, and even weapons trajectory control. The ERS would be the focal point of this title's gameplay, so you better be sure to get used to the system.

• PS3, Xbox 360, PC - March 3, 2009
• ESRB Teen
• US$ 59.99 (PS3, Xbox 360), US$ 46.99 (PC)
• Ubisoft
  

We Ski & Snowboard - Sequel to the snow-sport Namco title, We Ski, We Ski & Snowboard supports the Balance Board peripheral to give you that snowboarding feel. Create your own snowboarder and up to four players at a time can race down the slopes, during the day, afternoon, even at night.

• Wii - March 3, 2009
• ESRB Everyone
• US$ 36.99
• Namco