Continuing on this path, he also contributed two titles, in 2000 and 2002, for the Merregnon trilogy, an international soundtrack project featuring orchestral music by veteran video game composers from all over the world, such as Chris Hülsbeck and Yuzo Koshiro.

In 2002, Valtonen's talent was recognized again when he was presented with the Best Soundtrack Award at the International Fest of Cinema & Technology for the movie House by the Sea, directed by Janne Ketola.

[13] Drawing on his background in live orchestra work and his studies, Jonne Valtonen has been arranging and orchestrating music for video game concerts since 2005.

[14] In addition to the WDR Radio Orchestra, his arrangements have been performed at the Sydney Opera House, Gewandhaus Leipzig, Max Fisher Music Center Detroit, Esplanade Singapore, Cologne Philharmonic Hall, and Konserthuset Stockholm.

[14] In 2007, he arranged and orchestrated music for Sega's arcade game series World Club Champion Football which was recorded with a live orchestra and choir in Prague.