Black Squirrel/Sandbox3
From Sega Retro
Contents
Everything related to 
...
Games
We have more than 7,000 Sega games documented, from the slot machines of old to the cutting-edge titles of today. Every known release from every region of the world, both licensed and unlicensed, unfinished and unreleased, for computers, consoles, handhelds and arcades. We even have a few rides.
Scans
Books, magazines, covers, manuals, media and promotional material, as well as internal documents you were never meant to see; Sega Retro has a huge library of high quality scans dating back to 1945 and the database grows every day.
Audio and video
Hundreds of singles and albums, audiobooks, commercials, television and even a few stage shows, as well as the company's fondness for karaoke and it's two house bands.
...and so much more
Including people, companies, history, toys, clothing, food, merchandise, secrets, venues, events, technical information, interviews and a tiny piano.