Capture The Flag 
----------------

There is one Flag for every team in the game, located in the center of the team's base.  Enemy flags must be returned to the player's base to get points.

If the flag-bearer shuts down or is destroyed, the flag is ejected.  If the Flag is not picked up within 30sec, it teleports back to its owners' base.

When the flag is captured (brought into the 100m circle around the flag area in an enemy base), points are awarded, and the flag returns to its base.  A message "<TEAM> captured <TEAM>'s flag!" appears.

Each capture is worth 1000 points.
Kills are worth 25 points.
Teammate kills are -50 points.