Arms Race was the fifth game mode introduced into Smash Karts, in 2025. In Arms Race, the objective is to smash other players with the weapon you're appointed, gain points by doing so and the player who advances through the pre-determined weapons first, wins. Most public Arms Race games will have a maximum of 12 players.

Kills, Deaths, Bot Kills, Wins, and Games earned in Arms Race will not go towards your statistics. 

In Arms Race, you gain:

10 Coins and 10 XP (30 XP if you have 3x)  per player you smash