Intresting gameplay notes:

• Player will be able to transform into more powerful version of themselves (i.e. Goku transforming into a Super Saiya-jin)
• No jumping or crouching, but characters can float (I hear you have to be knocked in the air to float, but its only a rumor)
• Vegita and Goku can change into Super Saiya-jin 2.
• Ginyu can use his "Body Change" ability!
• You can earn (or find rather) actual Dragonballs in the games (but you can't trade them) and if you gather all 7 Dragonballs, you will be able to make a wish! I'm serious!
• There is a capsule skill called sensu bean which will refill your energy meter when its low.
• There is a capsule skill called viral heart which, when used, will make both player's energy meter slowly deplete. There is also a vaccine skill that, once the viral heart skill has been used, will stop the energy meter from depleting only for the player that uses it (which means the other player will still lose energy and must beat you before he dies!)
• There is an ability called Fusion (this may be a technique for Piccolo, but it is unknown how it works)

Play Modes:

• Story: follows the plot of Dragonball Z from the Saiyan to the Cell saga which are broken up into 7 chapters. Here you are allowed to play as either Goku, Vegita or Cell (depending what chapter your playing in) and act out some of the more popular battles that took place. There are also "non-fighting" mini games that you'll be able to participate in. You can unlock new characters and obtain capsules here that can be used in the Skill Edit mode.
• Battle: Allows you to fight with 1, 2 players or with the CPU in any combination (IE P1 vs P2 or P1 vs CPU or CPU vs CPU).
• Practice: customizable practice mode where you can set up the conditions on how you build your playing skills. Allot like Street Fighter Zero 2's practice mode where you can set up the opponent, what you want him or her to do, etc.
• Tenkaichi Budokai (World Match Tournament): Tree based elimination battles (allot like the World Tournaments in Dragonball) that can use between 8 and 20 characters. There are 3 different difficulty settings here: novice, adept, and advanced. The game starts with the novice level, and when this tournament level has been beaten the other level open up (once you beat the novice mode, the adept mode will open up, then once you beat the adept mode the advance mode will open up). Completing all three levels will unlock the "Legend of Mista Saatan mode." Players can also unlock more characters and earn money to purchase capsules from Mr. Popo in the Skill Edit mode.
• Skill Edit: using the capsules and money you earned from the Tournament and Story mode you can change the character's attributes in this mode (all changes you make to the character of your choice can be used in Battle and Tournament modes only). You can also swap money and capsules using two PS2 memory cards.
• Legend of Mista Saatan (Hercule) * hidden mode*: This mode can be unlocked by beating all 3 levels in the Tournament mode. Plays like a humorous side story featuring Mista Saatan (Hercule) where you will fight Cell and other opponents (there are up to 10 challenges that you must complete). Here you can earn bonus points and unlock a hidden secret.

Character list:

1. #16
2. #17
3. #18
4. #19
5. Ginyu
6. Cell
7. Dodoria
8. Freeza
9. Gohan (young)
10. Gohan (teen)
11. Great Saiya man (Gohan)
12. Goku
13. Mista Saatan (Hucule)
14. Krillin
15. Nappa
16. Piccolo
17. Raditz
18. Recoome
19. Tienshinhan
20. Trunks
21. Vegita
22. Yamucha
23. Zarbon

*Rumor has it that there are hidden unlockable characters in the game. Some of the names brought up were: Chibi Trunks (young Trunks), Goten and Cell Jrs.

Images: