How to Unlock Everything in Mario Kart Wii: Complete Checklist
Characters (24 Total + Miis)
Grand Prix Progression: Complete cups at 50cc → 100cc → 150cc. Each engine class unlocks new characters.
Mirror Mode: Unlock after earning Gold on all 150cc cups. Grants access to final characters (e.g., Rosalina, Funky Kong, Dry Bowser).
Race Count: Some characters (Baby Daisy, Birdo) unlock via total races completed (cumulative across all modes).
Karts & Bikes (36 Vehicles)
Unlocked primarily through Grand Prix cup completion at various engine classes.
Additional parts (wheels, gliders—wait, MKWii has karts/bikes only, no glider/parts system; that's MK8) — correction: MKWii has vehicle bodies only. Each character has 3–4 weighted vehicles (kart/bike) unlocked via GP progression.
Tracks (32 Total)
16 Nitro (New) Tracks: Unlocked sequentially through Grand Prix.
16 Retro Tracks: Unlocked by completing specific cups in Grand Prix.
VS Mode: Playing VS races (local or online) also contributes to track unlocks.
Speedrun Tips
Focus on 150cc — unlocks fastest; 50/100cc only needed for specific characters.
VS Mode with 2 controllers — speeds up track unlocks (each race counts).
Mirror Mode — do this last; it's the final hurdle for the last characters.
Patience: Full unlock takes 15–25 hours depending on skill.