These are the people responsible for creating Sega Smash Pack, Vol. 1 for Dreamcast, as listed in the manual.

For the original game credits, see the Phantasy Star II Game Credits.

Original Genesis Emulator
Yuki Enterprise
Programmer
Kazuro Morita
Artist
Toshirou Hara
Tester
Maho Miura
Producer
Yasuo Tanaka
Senior Producer
Scott Hawkins
Lead Programmer
Gary Lake
Lead Artist
Kunitake Aoki
VMU Artwork
Chris Meyer
Product Manager
Cord Smith
Project Coordinator
Frank Viloria
Lead Tester
Rick "Maverick" Ribble Jr.
Assistant Lead Testers
Daniel Chang, Shawn Dobbins, and Curtis Chiu
Testers
Ed Brady, Benjie Galvez, Chris Meyer, Mike "Rhino" Rhinehart, Gabrielle Brown, Steve Peck, Keehwan Her, and Tom Fong
Special Thanks
Peter Moore, Shinobu Toyoda, Chris Gilbert, Joe Culley, Jin Shimazaki, John Goodale, John Golden, Masaharu Yoshii, Yoshiki Ooka, Osamu Shibamiya, Klayton Vorlick, Bob Schonfisch, Angela Santos, Simon McIlroy, Sheri Hockaday, Dennis Lee, Jason Kuo, Wilco Ibes, Doug Broadhurst, Neal Robison, Kathy Schoback, John Byrd, Dylan Bromley, Joe Votour, Carlton Matthews, David Rudolph, Mike Tucker, Judy Jette, Charlie Bellfield, Teri Higgins, Heather Hawkins, Karen Brown, Gwen Marker, Billi Siedow, Tina Mendez, Alex Villigran, Bob Dales, Tom Dudley, Lu Luna, Don Nolan, Leonard Slootmaker, Leslie McKnew, Demery Barnett, Arnold Feener, Munawwar Daimee, John Amirkhan, Todd Slepian, and Polly Escalona