It must have been the hidden stress of trying to keep the event secret from Andy, or maybe some latent aggression I wasn't aware of, which needed an adrenaline boost to kick it off. I was also having a little trouble with my camera on that day, so the following photos have some strange lines across them.
However, this was the whole group before we started:
Andy and me in some none-flattering protective clothing:
Andy after one of the games:
Stocking up on paintballs, ready for the final, 'last man standing', game, which Brad the man in the middle, won:
As we went into this last game I went round giving out paintballs, to various people who had run out - talk about arming your enemy with amunition!!