Kondo's first major title was Ring of Destruction: Slam Masters II, where he was in charge of sound effects (despite being crediting under "Assist"). Since then he was mainly involved with the Street Fighter Alpha series, the VS. series (and its components) prior to Marvel vs. Capcom and the Star Gladiator series. This includes being the sound director for Marvel Super Heroes vs. Street Fighter, Plasma Sword: Nightmare of Bilstein and Street Fighter Alpha 3.