All Working Fire Emblem: Shin Ankoku Ryuu to Hikari no Ken Cheats - DS

Unlock Gaiden Chapters
Chapter 6x - Have fewer than 15 characters by the end of Chapter 6
Chapter 12x - Have fewer than 15 characters by the end of Chapter 12
Chapter 17x - Have fewer than 15 characters by the end of Chapter 17
Chapter 20x - Have fewer than 15 characters by the end of Chapter 20
Chapter 24x - Chiki dead and no Falchion

Recruiting units
Alan (Paladin) Chapter 16 - Visit the village to the left with Marth
Astria (Hero) Chapter 13 - Enemy, talk with Midia
Athena (Myrmidon) Chapter 6x - Visit the village with Marth
Banutu (Mamkute) Chapter 7 - Visit the village with Marth
Beck (Shooter) Chapter 13 - Visit the village with Marth
Chainy (Commando) Chapter 16 - Enemy, talk with Marth
Chiki (Mamkute) Chapter 19 - Enemy, talk with Banutu
Daros (Pirate) Chapter 2 - Enemy, talk with Marth
Ellis (Cleric) Chapter 24 - Automatically from the start
Est (Pegasus Knight) Chapter 18 - Enemy, talk with Marth
Etzel (Sorcerer) Chapter 17x - Clear the chapter without killing him
Gato (Sage) Final Chapter - Automatically from the start (Only if you didn't go to Chapter 24x)
George (Sniper) Chapter 9 - Visit the village with Marth
Gordon (Archer) Last part of tutorial - Enemy, talk with Marth (Automatically from the start if you're playing hard mode)
Horus (General) Chapter 12x - Clear the chapter without killing him
Hymir (Warrior) Chapter 20x - Talk with Marth and complete the chapter
Jake (Shooter) Chapter 11 - Enemy, talk with Sheeda, must have visited village where Anna is (In same Chapter)
Kashim (Hunter) Chapter 2 - Enemy, talk with Sheeda
Katua (Pegasus Knight) Chapter 14 - Enemy, talk with Marth
Lawrence (General) Chapter 20 - Enemy, talk with Marth or Sheeda
Linda (Mage) Chapter 11 - Visit the village with Marth
Machis (Cavalier) Chapter 4 - Enemy, talk with Rena
Maria (Cleric) Chapter 10 - Enemy, talk with Marth
Marich (Mage) Chapter 4 - Visit the northern village with Marth
Minerva (Dragon Knight) Chaper 10 - Enemy, talk with Marth, and must have recruited Maria
Nagi (Mamkute) Chapter 24x - Clear the chapter
Navarre (Myrmidon) Chapter 3 - Enemy, talk with Sheed
Paola (Pegasus Knight) Chapter 14 - Enemy, talk with Marth
Ricardo (Thief) Chapter 6 - Enemy, talk with Marth or Julian
Riff (Priest) Chapter 1 - Visit the western village with Marth
Roger (Knight) Chapter 8 - Enemy, talk with Sheeda
Samson (Hero) Chapter 16 - Visit the village to the right with Marth (Can only recruit either Samson or Alan not both)
Wendel (Sage) Chapter 5 - Enemy, talk with Marth or Marich