There is no single answer. GBA library spans 1,500+ titles across every genre—playtime ranges from 30 minutes to 200+ hours. The better question: "How long does [specific game] take?" Here's how to estimate.
| Genre | Examples | Main Story | 100% / Post-Game |
|---|---|---|---|
| Traditional RPG | Golden Sun, Fire Emblem, Final Fantasy Tactics Advance, Pokémon Ruby/Sapphire/Emerald | 25–50 hrs | 60–200+ hrs |
| Action RPG / Metroidvania | Metroid Fusion, Zero Mission, Castlevania: Aria of Sorrow, Minish Cap | 8–15 hrs | 12–25 hrs |
| Platformer | Mario & Luigi: Superstar Saga, Wario Land 4, Kirby & the Amazing Mirror | 10–20 hrs | 15–30 hrs |
| Strategy / Tactics | Advance Wars 1/2, Fire Emblem, Final Fantasy Tactics Advance | 20–40 hrs | 50–100+ hrs |
| Action / Shooter | Contra III, Metal Slug Advance, Megaman Zero 1–4 | 3–8 hrs | 6–15 hrs |
| Puzzle | Polarium, Dr. Mario, ChuChu Rocket! | 2–10 hrs | 10–50 hrs (replay) |
| Racing / Sports | Mario Kart: Super Circuit, F-Zero: GP Legend, Tony Hawk | 5–15 hrs | 20–50+ hrs |
Name the game. I'll give you a real estimate.