Today's Famitsu issue features first details about a private event Square Enix is going to have on the 2nd and 3rd of August called DK Σ 3713. If you'd like to be able to go you'll need to buy next week's Famitsu issue where there will be more information.
It's not a two day event, but 6 sessions of the same thing spread over 2 days, 3 sessions a day. 400 people will be selected for each session, 10am, 1:30pm and 5pm respectively.
Some speculation onto the name:
D - Dragon Quest, Dissidia
K - Kingdom Hearts
Σ - Sigma Harmonics
3 - Kingdom Hearts 3, The 3rd Birthday
7 - Final Fantasy 7 (Advent Children Complete)
13 - Final Fantasy 13
Update: Square Enix has revealed the official site of the event and now here's the confirmed list of games:
- Final Fantasy XIII (PlayStation 3)
- Final Fantasy Agito XIII (Mobile)
- Final Fantasy Versus XIII (PlayStation 3)
- Kingdom Hearts Coded (Mobile)
- Kingdom Hearts358/2 Days (Nintendo DS)
- Kingdom Hearts Birth by Sleep (Sony PSP)
- Dissidia Final Fantasy (Sony PSP)
- The 3rd Birthday (Mobile)
- Sigma Harmonics (Nintendo DS)
- Final Fantasy VII AC Complete (Blu-Ray)