Do Game Boy Color Games Work on Game Boy Advance SP?

Yes. The Game Boy Advance SP (AGS-001/101) is fully backward compatible with Game Boy (DMG) and Game Boy Color (GBC) cartridges.

Compatibility Details

• Physical Fit: GBC cartridges are slightly taller (clearance for IR port), but fit perfectly in the SP slot.
• Voltage: SP regulates 3V for GBC/GB carts (5V for GBA carts).
• Display: SP's frontlit (AGS-001) or backlit (AGS-101) screen shows GBC colors correctly. Some games use the GBC's IR port (e.g., Pokémon Crystal Mystery Gift)—this works on SP.

Minor Caveats

• Screen Aspect: GBC games run at 160×144; SP stretches to 240×160 (slight blur). Hold L+R at boot for pixel-perfect (smaller) mode.
• Color Accuracy: AGS-001 frontlight has a blueish tint; AGS-101 backlight is superior.
• Rare Glitches: A handful of GBC titles (mostly obscure Japanese releases) exhibit minor timing issues on GBA hardware.

Bonus: GBA Enhanced Games

Some GBC carts (e.g., Shantae, Dragon Warrior I&II) detect GBA hardware and unlock extra content/palettes.

The SP is arguably the best way to play GBC games today—compact, rechargeable, illuminated.