Heres my two cents about oddworlds gravity...
For one thing I think it would only make sence if it was Oddworlds surface area that was 10x more then Earths since that is where life lives, and we are only intrested in it life, so that is the only one that would mater anyone... On the the other hand if we wanted to blow up Oddworld we would be intrested in its Volume... And if we wanted to know how hard a astroied would hit it we would want to know how thick it was so that we could figer out its gravity...
So in surface area on One, Two, Middlesboogie pic it seems to look about 3 times wider then Earth... Therefore it probly has less then 3 Gs of gravity (1 G is 1 Earth gravity) if it is the same composition as Earth... But my gess is that its is totaly different in side from Earth (it is a Odd-World after all) because other wise it may have formed a thick atmostsphere (like a gas giant)... As such I think it would have a much lower gravity and from observation one that is simular to Earths...
I think that Oddworld gets its lower then expected surface gravity by being very holely (lots of deep caverns and caves) and down deep the air in these caves is so dence that it liquerfies and is heated by the core...
Sometimes fault lines form on these caverns and let the liquid air gush to the surface and as it rises it expands back to become gas and cools from that expansion to become room temprature... And so we get air wells that surface life has learned to use tho their advantage.
Also I would like to point out that a planets size has not much afect on where from the sun it will be nor dose it have a huge effect on how long it takes to orbit its sun (if Earth was at a Jupiter distance from the sun it would orbit the sun almost as fast as Jupiter dose)... Also (in general in our own solar system anyway) larger planets tend to spin faster (have shorter days) then smaller ones, although this is no law or anything... Spining fast dose decress the aparent surface gravity through centrapetal motion around the eqator- which flatens the planet out making the poles come closer together which lowers the average gravity quite a bit...
In other news... I STILL HAVE NOT GOT MY EMAIL...
