Unlock Ruins Map:
Reach level 11 and then play on a level 11 and over channel.

Unlock Dungeon Map:
Reach level 21 and then play on a level 21 and over channel.

Unlock Castle Map:
Reach level 21 and then play on a level 21 and over channel.

Unlock Berserker Mode:
Reach level 21 and then play in an Expert channel.

Change Chat Text Colour:
To change any text that follows to a different color type '^(0-9)' (without the quotes).