It seems like Sony has done it again as the PlayStation Portable has once again dominated the sales charts in Japan for yet another week. On the flip side of things, five new video game titles have wedged themselves into the top slots of the software market. Find out the latest Media Create sales numbers in Japan for the week for June 23 to June 29 right after the jump.

Like in the UK, Metal Gear Solid 4: Guns of the Patriots has yielded its place after only a week on top spot in the Japan software charts. Gunning its way on top is Super Robot Taisen Advance Portable. What other games are popular in Japan right now? Check out the full list after the "read more" link below.

The ESRB website has revealed that the NES classic R.B.I. Baseball may soon be coming to Xbox 360s. The game was recently spotted on the ESRB listings and is apparently being worked on by Six Degrees Games.

Media Create has released the Japanese Sales charts for the week of April 4 to 13. Making its debut in the list at first place is Nintendo's Mario Kart Wii, selling 594,000 copies in its first week. To find out what other games were able to make it into charts, head on over to the full article.

If you feel that you aren't getting enough bang out of your buck due to the rather problematic issues noted in Major League Baseball 2K8 (Xbox 360, PlayStation 3, PlayStation Portable,  Wii, and DS), then we've got some good news for you. 2K Sports has announced that it will be rolling out an update for the Xbox 360 and PlayStation 3 versions of the game which will take care of these problems. More details about the update in our full article.

It's all about Jose Reyes in the new promotional trailers released by 2K Sports for its latest hardcore baseball sim, Major League Baseball 2K8. The new series of videos, featuring a bobble-headed incarnation of the New York Mets shortstop, was aimed to promote the recently released game across its various platforms. You can take a look at the videos in our full article after the jump.

Taking all the talk of a takeover by Electronic Arts aside, it's still business as usual for Take-Two Interactive, which released its financial reports for the first quarter of 2008. The report held a number of interesting things, including an official confirmation of BioShock 2 and its still vague pending release date, news on coming games, and even a restatement of Grand Theft Auto 4's release date. Go to the full article for details.

Batter up! A free demo for Kush Games and 2K Sports' Major League Baseball 2K8 has landed on the Xbox Live Marketplace. The 900-plus MB demo is available in the U.S., Canada, and Asia. More in the full article.

We're in for a brutal week to kick this month off, marked by Kratos' latest killing trip through God of War: Chains of Olympus for the PSP and Jimmy Hopkins' enrollment for scholarship in Bullworth Academy. War is nigh with Warhammer 40K's latest expansion and Army of Two, though there's still a couple of baseball titles inbound if you want a break from all the violence. All these are waiting at the full article, so hit that jump!

Gamers on the lookout for this year's iteration of the realistic baseball sim from 2K Sports have something to look forward to as Major League Baseball 2K8 (Xbox 360, PlayStation 3, PlayStation Portable, and Wii) has recently gone gold and is all ready to ship out this March 4. If you want to find about some of the neat features included in the upcoming baseball video game title, you can read all about it in the full article.