What is a good game for creating user made content with tons of creativity and customization on PC?

I'm really big on creation based game communities like Spore or the Sims 3. I want a game where you can pretty much create something from scratch and upload it into a server with a large community for creators for all to share and see. Any ideas anyone? I also have an xbox 360 if there's any games like that for it.What is a good game for creating user made content with tons of creativity and customization on PC?I've heard of Minecraft as a good game to customize and play on PC.What is a good game for creating user made content with tons of creativity and customization on PC?The Only Game i can think of is the sims 3.. i play this all the time creating houses and people and new clothes etc... you can upload this to either the sims 3 website or tsr etc



but there are diffirent ranges of the sims... like sims city or the normal sims 3

and now you can get sims 3 for xbox but i dont know much about sims for the xbox as i dont have oneWhat is a good game for creating user made content with tons of creativity and customization on PC?Maybe you want to check out Garry's Mod - it is a sandbox 'building' game using the Source (Half-Life 2) engine.