Sonic Riders: Zero Gravity (2008), SEGA of America, Inc.
Super Smash Bros.: Brawl (2008), Nintendo Co., Ltd.
Mario & Sonic at the Olympic Games (2007), SEGA of America, Inc.
NiGHTS: Journey of Dreams (2007), SEGA Corporation
Sonic and the Secret Rings (2007), SEGA of America, Inc.
Sonic Riders (2006), SEGA of America, Inc.
Astro Boy (2004), SEGA Corporation
Feel the Magic XY/XX (2004), SEGA Corporation
Sonic Advance 3 (2004), THQ Inc.
Sonic Adventure DX: Director's Cut (2003), SEGA Corporation
Sonic Battle (2003), THQ Inc.
Sonic Adventure 2 (2001), SEGA of America, Inc.
Sonic Adventure 2: Battle (2001), SEGA Corporation
Space Channel 5 (1999), SEGA Enterprises Ltd.
Sonic Jam (1997), SEGA Enterprises Ltd.