New changes:
- Alt Skins (toggle with L/R or X/Y on character select screen)
- 88 courses (56 custom tracks)
- Online multiplayer works with custom tracks now (selection time increased from 20 to 40 seconds as well)
- Saving ghosts is now possible
- PRB Indicator and speedometer on the bottom screen
CTGP Nitro can run on official hardware, MelonDS (you may need to turn off JIT), mobile emulators, and most flash carts. It can run in DeSmuME, but performance may be degraded.
Come on down to try the hack, get it at https://dswiki.garhoogin.com/ctgp-n/. Downloads are available as xdelta patches for US and EU ROMs of Mario Kart DS.