Does Wii Monster Jam Support Two-Player Mode? No – Single Player Only

No. Monster Jam (2007) on Wii is single-player only. There is no split-screen, shared-screen, or online multiplayer.

Multiplayer Monster Truck Alternatives on Wii

• Monster 4x4: World Circuit (2006) – 2-player split-screen.
• Excite Truck (2006) – 2-player versus (take turns).
• Hot Wheels: Beat That! (2007) – 2-player split-screen racing.

If local co-op/competition is a must, these are better picks.