Well i've been working on a new game today, I've actually had the idea for a few years but I don't know if i'll implement what I originaly had in this one maybe in the second one if i make one.

Basically you play as a spaceship defending earth from something but as you complete each level or a set of levels you warp to a different deminsion in search of the aliens and each demenision is a different era of graphics

So you say start off in a 4bit world but once you defeat the boss thing you would than warp into a 8 bit world than a 16bit, 32bit until you reach a 64bit world and defeat the enemy.

Its just a small little game, in many ways actually the game screen is meant to be tiny.

<img src="http://64digits.com/users/RobbieE/RF.PNG">

Thats just a w.i.p. screenshot, Trying to get the feel of older style graphics :)