I have downloaded 2 savegames once. I don't know the site (but I will tell as soon as I found out).
One of them are ALL Mudokons saved (secret ones as well).
The other are all Mudokons killes (except for the very first ones, wich you MUST rescue in order to continue...)
-Rescueing all 300 Mudokons gives you: (nothing special though)
1. The good ending.
2. A message from the Weirdo's (YOU DID IT ABE, and something else wich I don't remember)
3. Extra developer pics.
-However the (ever so tempting) evil side, killing all Mudokons except for about 25 ones gives ya:
1. The bad ending.
2. Two newspaper messages (ABE KILLS ALL WORKER MUDOKONS etc...)
3. Invulnerability and restart at FeeCo Depot.
As I said before, I will name the site as soon as I know it.
UPDATED:
There ya go - not the site I actually downloaded it first, but it has the same savegames.
http://users.pandora.be/dhannesen/Nosepicker/index.htm