SOLO METHOD, ONE CONTROLLER:
• Equip the Bubbles rocket trail (requirement)
• Exhibition Match
• Game Mode: ANY
• Arena: AquaDome (requirement)
• Team Size: ANY
• Bot Difficulty: NO BOTS
• Match Length/Max Score: UNLIMITED
...and some options that might make it easier...
• Ball Size: LARGE/GIGANTIC (recommended by Oberindianer)
• Ball Weight: SUPER LIGHT (recommended by KillrNut)
• Ball Bounciness: HIGH
• Boost Amount: UNLIMITED
Do whatever you're comfortable with to get an Aerial Hit; there are some nice suggestions in the earlier solutions. To be clear, to pull off an Aerial Hit correctly (in the classic way that doesn't involve Rumble power-ups), you must jump or double-jump into the air with
then boost into the ball with
. Boost must
be active at the moment of contact. If successful you will see the Aerial Hit
bonus pop up immediately after the hit, no matter where the ball is headed. If the ball is heading into your opponent's goal, good for you.
If the ball is not
heading into the correct goal, do not touch the ball again from your current team, pause the game and select CHANGE TEAM, then join the other team color
. As the other team, guide the ball into your own goal. The game will remember the aerial hit from the original team, considering it to be an aerial goal. The achievement will pop during the match immediately after you succeed.
Morjax's video follows this methodology. It was posted as a comment here on Oct. 13, 2016.
Prior to Morjax's, I found WarWolf7's video to be helpful.
(And case you didn't catch it, this achievement's name is a reference to Bioshock.