The company also went by Techno Soft, Tecnosoft, Tecno Soft and Tecno-Soft. They are known for the Thunder Force series of free-scrolling shooters, the first 3D computer game Plazma Line, and the Herzog strategy series which included the first real-time strategy Herzog Zwei. It was acquired and folded into Japanese pachinko manufacturer Twenty-One Company in late 2001. Twenty-One began to release products in 2008 under the Technosoft brand, and sold the entirety of its video game library to Sega in 2016. The Technosoft name continues to be in use in the present day as the name for Twenty-One's research and development division, and as a brand name for various products such as soundtrack albums.
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