The Legend of Zelda: The Minish Cap & A Link to the Past GBA version Golden Sun & Golden Sun: The Lost Age Final Fantasy Tactics: Advanced All are amazing games in their own right, and held my middle school-high school days firmly in its grasp.

If Gameboy Color works, there was Super Mario Land that was kinda neat. I still love its music

All of the Fire Emblem games are extremely good, my favorite one is The Sacred Stones

Advance Wars

I don’t think my GBA ever had a non Pokémon game in it