Fathammer was a video game publisher and developer based in Finland. They have developed 3 D game SDK, X-Forge, which was provided to Nokia N-gage cell phones, the Tapwave Zodiac, and also the Gizmondo. Fathammer's publishing business was acquired by Telcogames in June 2006, and X-Forge game development environment developed by Fathammer was sold to Acrodea in Japan. Fathammer's largest owners were the investment companies 3i and Nexit Ventures.[1] The Finnish Independence Fund Sitra also invested more than EUR 1 million in the company, which had offices in Helsinki and Seoul, Korea.[2] [3]