He is also known for his music and sound efforts for games of C64 and Amiga era. He was one of the first demosceners. In early 80s he bought a C64.\r\nHe often wrote graphical and musical demos on it and showed demos at game exhibitions (further information could be found here), and through his hobby he met fellow composer Jeroen Telephone
In 1987 he with Tel and some others started sound and music group Maniacs of Noise and composed game music for platforms such as the Commodore 64, Commodore Amiga and Atari System Technologies, being hired by such companies as Sega, United States. Gold and Probe Software. At MoN he notably composed Double Dragon, home computer versions of Soldier of Light and Jukka Tapanimäki"s game Zamzara.\r\nManiacs of Noise was the most acclaimed C64 music group. Deenen left MoN in early 90s and moved to the United States to work for videogame company Interplay.
In 1990 he moved to United States of America and worked for Virgin Games for 6 months.\r\nIn 1991 his talent was noted by Interplay (with which he worked on Dragon Wars during MON years) and they recruited him as composer/sound designer. Most famous projects he worked on here were Fallout 1 and 2, Another World, Planescape: Torment, The Lost Vikings and Descent 2. In 2002 he left Interplay and briefly worked for Shiny on Enter the Matrix.\r\nIn 2003 Charles moved to Canada and joined EA as Senior Audio Director, working primarily on the Need for Speed series.
2013 he left EA and started working as a freelancer for the industry. Aside from video games Deenen also works on sound for films.\r\nHe provides worldwide lectures about sound in VG, films and trailers as of 2006. He is also a professional photographer, having many collections of works on his own site.
Member Interactive Academy.
Married Ana Maria Iniguez, December 12, 1993.