This game is a VERY well done hack By a Author named "IKA".   He has redone the entuire game.   The Special features of this game are as follows

- 7 NEW Weapon!!!!!

- Completely NEW Levels!!!

- NEW Boss Mechanics (meaning, what you thought would hurt the bosses doesnt.  Time to learn  it all again!!!!

- New Graphics!!

- ALL NEW Soundtrack!!

And in the this Complete Box Set you will receive

-The Game (of Course)

- Box

- Manual

- Megaman Poster

-Current  Flashback Poster

- Set of 3 trading cards