The Blob (De Blob in Dutch) is probably one of the most original games you've ever seen. It's even more amazing when you learn the story behind it: apparently, The Blob was developed as a course project by a group of nine students at the Utrecht School of Arts, in just four months.
Their main goal was to depict the physics of movement in a realistic way and believe me, they must have got an A for this.
The game itself is simple: you control Blob, a round shaped alien who crashed with his space ship on Earth and is being chased by the police.
Blob's mission consists on painting certain buildings with a given color, which you get from other characters spread all over the map.
Controls are a bit chaotic at the beginning.
You move Blob just with the mouse, but it takes a while until you get used to speed and movement. Also, once you're done coloring the buildings, that's pretty much all about it, although there's a secondary goal to keep you amused: collect the 50 coins that have been hidden all around the city.