well........ this has not much to do with this but.... if u have a puddle of water and put a brick in it and set the mass,friction,or anny thing it has strange effects as in..........making it disappear so try that and tell me whut goes on
i like it but the lava ehhh i dident impress me to much i like how a flowed but the fact if it hit u it just bounced away ehh... but other that that nice