Since these were made in Blender, could you upload the .blend file(s) as well?

Those are very nice. Thanks a bunch! :)

I wonder how many people use these rocks in their games. Funny. I admit, i myself am... Heh.

Considering their size, I would have titled this one "asteroids" ;)

Thanks! I've used these rocks in my first game for android :D They look great, just changed color of second one a bit ;) I've put your nickname in credits. If you have some spare time, you can check how it looks out here: My first android game - "I hate space!".

Thanks again!  

Hey, thanks for the art. I have used on the rock in my game UFO-d, the credits are in About screen. You can check out the game at https://play.google.com/store/apps/details?id=org.silver.games.ufod

@Écrivain

These assets were very helpful when we came to create our game. I understand that these assets are public domain, however if you would like to be credited please let me know how you would like to be addressed (screen name, full name etc). A link back to this site will be provided if no other information is submitted.

Thank you again