Kill the Dragon using a Knight on any color square using only your primary attack (sword) and never using your shield...you're extra cool if you do it on dark, though. This cannot be unlocked in the campaign.
This is for the fast mover! Win a game in under 3 minutes (if playing against CPU, must be on skilled difficulty or higher.) This cannot be unlocked in the campaign.
Holy Cow...You got ALL GOLD MEDALS on every quest! You are the uber-Archonian! All should kneel at your feet and pay homage to you and your outstanding efforts. Very well done!