Rondo of Swords Cheats - Nintendo DS

Unlock Characters
Aegil in Stage 17 - Send Serdic to east door of the start point while Marie is alive.
Ansom in Stage 5 - Talk to with anyone.
Owl in Stage 7 - Talk to with Marie.
Cotton in Stage 9 - Clear the hidden Stage 9.
Arios in Stage 13 - Talk to with Elmer.
Elmer in Stage 12 - Talk to with Selmer.
Garahad in Stage 21 - Talk to with Igraine.
Izuna in Stage 19 - Talk to Yumiluna with Serdic in stage 18 and have Shino talk with Izuna.
Alhambra in Stage 10 - Go near the big boulder and talk with Serdic.
Rukia in Stage 11 - Talk to with Serdic.
Shino in Stage 15 - Talk to with Serdic while Marie is alive.
Simon in Stage 18 - Talk to with Marie or Serdic.
Yumiluna in Stage 18 - Talk to with Serdic.

Unlock Hidden Stages
Stage 9 - Don't allow any of the people in towns in stage 8 to die.
Stage 18 - You must open the prison door then have Serdic talk to Yumiluna.

New Game Mode
Beat the game once and then you can start over again with some of your previous data.