You can use your blast pack to get up to the platform near the Orb. This angle might surprise some enemies
Jump up to B Heaven from B site to make rotation faster as a defender, or to surprise enemies as an attacker.
Jump up to the Fridge in Market to surprise enemies.
Line up the edges of the two walls as shown and aim for the balcony. This grenade will hit defenders playing in the close Hell or Rafters corners
Line yourself up with the door frame and aim as shown. Throw the grenade on the peak of your jump. Clears out Mid Mail.
Use your Blast pack to storm through middle and eliminate anyone holding Mid Mail.