The best tip is to focus on killing ai in the Attrition mode, and stay near teammates. But the wave defense mode is fun too, as you level titans they get overpowered upgrades which would be too unbalanced in versus mode.
The best tip is to focus on killing ai in the Attrition mode, and stay near teammates. But the wave defense mode is fun too, as you level titans they get overpowered upgrades which would be too unbalanced in versus mode.