There’s a lot shaking in tech today, so here’s a roundup of some items that have crossed the GeekWire news desk in the past 24 hours.

PopCap Games continues to roll out free games through Amazon’s Appstore for Android, with the Seattle game company announcing today that Peggle is being made available for free in the mobile marketplace. Last month, PopCap released version of Chuzzle and Plants vs. Zombies through an exclusive offering in Amazon’s Appstore. The company also said that it plans to release Bejeweled 3 on the Nintendo DS, PlayStation3, PSN, Xbox 360 and Xbox LIVEArcade later this year. Previously on GeekWire: Amazon’s new Appstore gets first crack at PopCap’s new Android Games.

Cray Inc., the Seattle supercomputer maker, has sold a Cray XE6m to GE Global Research. The supercomputer will be used at the technology development arm of General Electric to support simulation-based engineering. Shares of the company are up three percent on the news.

A suspected hacker in the LulzSec hacking group — which has claimed responsibility for recent attacks against Sony, the CIA and others — has been arrested in Essex, England, according to The Naked Security blog.

Walk Score, the Seattle startup that rates how walkability of homes on a scale of 1 to 100,  has introduced a new way for real estate professional to create neighborhood flyers featuring the Walk Score maps in order to help market homes for sale. The service is available for $5 per property, and is sponsored by John L. Scott Real Estate.

Seattle casual game maker Big Fish Games said that Mystery Case Files: The Malgrave Incident will be released on Nintendo’s Wii on June 27th.

Verizon said that it plans to institute tier-ed data plans, with Droid Life noting that the wireless company plans to charge between $30 per month for 2GB of data to $80 per month for 10 GB of data. New plans will start on July 7th.

Resultrix, a Bellevue digital marketing agency, said that it has landed Bing, Concur, Corbis and Puget Sound Energy as customers and been named a top workplace by Seattle Business Magazine.

Newspaper chain McClatchy is dumping Microsoft and moving its 8,500 employees to Google Apps, with Alley Insider reporting that the decision came after poor customer reviews of Microsoft’s cloud offering.

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