Must have GBA games?

I'm on a lookout for GBA games. I know there's a bunch that I don't have. I need you guys to list some must have GBA games.Must have GBA games?
While I haven't played a huge number, these are good choices IMO, although some of these are SNES ports:

• Metroid Fusion
• Metroid Zero Mission
• Final Fantasy IV Advance
• Final Fantasy VI Advance
• The Legend of Zelda: Four Swords (contains A Link to the Past)
• Castlevania Circle of the moon
• Super Dodgeball Advance
• Klonoa: Empire of dreams
• Bomberman Tournament
• Super mario advance 3 (contains Yoshi's Island)

Some of these may not necessarily be must haves; but I've found all of them enjoyable and at least somewhat memorable.Must have GBA games?

• Pokemon Emrald
• Pokemon Fire/Leave Green
• Final Fantasy Dawn of soul I%26II
• Final Fantasy IV
• Final Fantasy Tactics
• Metriod fusion
• Zelda link to the past
• Zelda minish cap

i think these are some, i've played lots.

• pokemon emerald
• pokemon fire red/leaf green
• summon nights: swordcraft story 2
• final fantasy tactics advance
• kingdom hearts- chain of memories
• kirby- nightmare in dreamland
• metroid fusion
• LoZ- minish cap
• mario and luigi super star saga
• any of the megaman zero games
• if u can get mother 3 its awesome
• shining soul 2
• super mario advance 3- yoshis island
• tales of phantasia
• sword of mana
• super mario advance 2- super mario world
• super mario advance 4- mario bros 3

these are a few but idk if u like rpg's but a lot are good on gba so these are some
I wish I could give more but sadly I did not play to many GBA games.
Advance Wars 1 and 2.
im look out of GBA
Fire Emblem
Astro Boy. Hands down one of the best GBA games ever released.
castlevania: circle of the moon, aria of sorrow, harmony of dissonancesuper ghouls 'n ghosts (prob one of my favorite games)Metroid: Zero MissionWarioware: Micro MegagamesWarioware: TwistedMario and Luigi: Partners in TimeGolden SunFinal Fantasy Tactics Advance
Thanks for the help everybody. I'll take your suggestions into consideration.
I didn't have a whole bunch of GBA games. I played all of the Pokemon games, however.
Pokemon Ruby/Sapphire/Emerald

Pokemon Leaf Green/Fire Red

Super Dodgeball Advance

River City Ransom EX

Golden Sun 1-2

Fire Emblem

any Castlevania game

Drill Dozer

Legend of Zelda A Link to the Past and Four Swords Adventure

Legend of Zelda Minish Cap

Advance Wars 1-2

Any Final Fantasy game
Harvest Moon.Seriously. :
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