This is fabulous.
Graphics - 9 - You obviously made your own sprites, and making sprites is hard.
Style - 9 - The style reminds me a lot of the old NES games.
Sound - 8 - The music was pretty frantic, yet I like it. But it there is one problem: it stops after a while.
Violence - 0 - No violence.
Interactivity - 10 - Very interactive.
Humor - 3 - The concept of a game where you control an 8 bit rat running through the sewers made me chuckle a bit.
*Overall* - This is one of the best games I have played, especially 'cause I like things that are pixelated.