Unlike many mods that replace original content, CTGP Nitro is built as an . It preserves all 32 vanilla courses while significantly expanding the roster and mechanics.
The tracks are organized into several new "Extra Cups," each featuring unique themes and music from various Nintendo and Sega franchises.
Have you raced on the CTGP Nitro cups? Share your favorite custom track in the comments below. For the latest patches and track downloads, visit the official DS Modding Nexus Discord. Mario Kart DS- Custom Tracks Grand Prix Nitro -...
Here are the of Custom Tracks Grand Prix within MKDS Nitro:
The mod organizes its content into themed cups, often highlighting specific creators or concepts: Unlike many mods that replace original content, CTGP
At its core, CTGP Nitro replaces the existing track files in the game ROM. While the characters, karts, and items remain faithful to the original balancing, the 32-course lineup is completely transformed. You aren't just racing on fan-made circuits; you are racing on tracks that feel like they were designed by Nintendo’s EAD group—if Nintendo had access to 20 years of level design hindsight.
Custom Tracks Grand Prix Nitro was born from a desire to elevate the medium. It wasn't enough to just have new scenery; the tracks needed to feel like they belonged in the base game. The mod is a collaborative effort, curated and compiled to ensure quality control. It strips away the limitations of the standard 32-track rotation and replaces them with a massive library of custom circuits, retro revivals, and entirely original creations. Have you raced on the CTGP Nitro cups
This mod does not work on official DS carts. You cannot play this on a real cartridge without a flashcart or modded handheld.