1. Atari has sold off Cryptic Studios, the maker of online games such as Star Trek Online, to China’s Perfect World. Perfect World is paying 35 million euros, or $49.8 million in cash.
  2. Power, a developer of grid-scale, energy storage systems,  raised $11M in a new round of financing. The round was led by  DBL Investors and I2BF Global Ventures
  3. Aryaka Networks, a developer of WAN acceleration products,  secured $15.0M in additional funding, according to a regulatory filing by the firm . Source of the new funding was not disclosed.
  4. CoolSystems, the maker of an cold therapy system aimed at the athletics market,  raised $4.0M. Details on the funding have not been announced by the company.
  5. San Francisco-based Socialcast, a developer of enterprise social networking tools, has been acquired by VMware. Financial terms of the acquisition were not disclosed.
  6. PunchTab, which operates an online service to help businesses and websites to create their own, loyalty and rewards programs, scored $850,000 in a seed funding round. The round included Mohr Davidow Ventures, Embarcadero Ventures, and angel investors Venky Harinarayan, Anand Rajaraman, and Nick Sturiale.
  7. Pleasanton-based Polycom and Palo Alto-based HP  entered into a definitive agreement, where Polycom will buy the assets of HP’s Visual Collaboration business. Financial terms of the deal were not disclosed. HP’s Visual Collaboration business.
  8. ADVANCE MEdical, which is helping to commercialize pharmaceuticals and medical device technologies in Brazil and other Latin American countries, has  raised $6M in a Series A financing round.
  9. Mindflash, a developer of web-based, cloud training software,  scored $4M in funding. The round was led by the Investment Group of Santa Barbara.
  10. Redwood City-based RockYou  has acquired an Australian game development studio, 3 Blokes. Financial details of the acquisition were not announced.
  11. Daily deals phenomenon Groupon has filed for an IPO, saying in a filing with the SEC Thursday afternoon that it is looking to raised up to $750M in the IPO. The firm said it has applied to list as GRPN, but has not yet selected an exchange. The firm’s IPO is being underwritten by Morgan Stanley, Goldman Sachs & Co., and Credit Suisse.
  12. Pandora Media, the personalized Internet radio service, has set its IPO pricing range and shares, the firm said Thursday afternoon. The firm has applied to list under the symbol “P” on the New York Stock Exchange. Pandora’s IPO is being underwritten by Morgan Stanley, J.P. Morgan, William Blair & Company, and Stifel Nicolaus Weisel.