Use the "Melee Boost" by tapping the punch button while flying; this increases your speed and conserves nitro.
Crouch when you aren't under fire to recharge your nitro gauge significantly faster. doodle army 2 mini militia unlimited ammo and nitro work
Allows you to fire heavy weapons like the Rocket Launcher or Sniper without ever needing to reload or find pickups. Use the "Melee Boost" by tapping the punch