You need 10,000 Experience Points. A good way to do this is to go to Sandy's Tree Dome and play the letter collecting game.
Probably get Rank 2 after getting 10000 xp or Rank 1
There are various requirements you have to meet for each mission in Sonic Adventure 2, some easier than others. You'll have to look up an A Rank guide in order to find out exactly what you need to do for each.
get all 287 rings in the stage.
Tractor Tom - 2003 The Big Adventure 2-20 is rated/received certificates of: Australia:G
Adventure Camp - 2003 Big Cat Call 2-7 was released on: USA: 2008
Appointment with Adventure - 1955 The Big Mistake 2-12 was released on: USA: 18 December 1955
The cast of Little Big Adventure 2 - 1997 includes: Jodie Forrest as Zoe David Gasman as Twinsen
Taste for Adventure - 2006 Hawaii's Big Island 2-7 was released on: USA: 1 December 2007
In Sonic Adventure 2 Battle(she is very hard 2 unlock get all rank A's with sonic!)Sonic Adventure DX,Sonic Advance 1 2 and 3(in 1 of them you have 2 unlock her).Sonic Riders.
Midnight Screenings - 2011 ParaNorman The Oogieloves in the Big Balloon Adventure 2-18 was released on: USA: 2 September 2012
the previous person was mistaken... Pandas bigger adventure was version 2. The third version... pandas biggest adventure... isn't out yet :(
Yes!!!! There will be an Adventure Camp 3. If you want to get in now's your big chance to get in!!!! I'm 13 and I will be going [or hope] to Adventure Camp. See ya there!!!!