The phrase "sonic adventure" refers to an exciting and fast-paced experience or journey. It suggests that something is dynamic, thrilling, and full of energy, just like the sound waves known as "sonic". Full definition
I'm going to jump in and treat this series how Sonic adventures should be. (gap4.com)
I even enjoyed the janky platforming of Sonic Adventure DX and Sonic Heroes, but the unplayable Sonic ’06 and the almost - as - terrible Wii - exclusive Sonic and the Secret Rings made my love goggles fall right off again. (segadoes.com)
Sonic makes a speedy return in Sonic Adventure DX, which features new missions and gameplay modes. (gonintendo.com)