Add support for other game modes

[KiwiHawk]

There's code in Sea Block for Pvp. This doesn't work anymore. Try get it going again? Also supply challenge.

[KiwiHawk]

Bug reported on forums. Have not been able to reproduce it but suspect it might be from another game mode?

Couldn't find suitable position to put the player in the perimeter of 200 tiles from the point {0.0000000000, 0.0000000000}