From the back of the case
"All Your Games are Belong to Us.
The evil Game Master Arino has trapped you in the 1980's - to escape you must defeat his clasic gaming challenges.
Experience a wide variety of fast-paced retro challenges, then unlock complete games for free play.
Enjoy timeless 8-bit gameplay: space shooters, racing, ninja action - even epic RPG play.
Search in-game magazines for cheat codes and fun articles. A winner is you!"