Story Mode
A game in sequential levels.
The next menu is in Japanese and I suppose you can choose one of the 4 worlds.
Then another menu appears and I suppose you can choose one of the 5 different characters to play with.

Free Battle
Versus:
- 1 player against a computer opponent
- 2 player game
- 2 players, both computer players (watch the game)
Training:
First choose one of the 5 players as player 1 (use arrow keys + Z)
Then choose an opponent
Then select one of the 3 worlds, or a random one.
Replay:

Options
Many options, but the most important one is first one: the 5 difficulty levels.

Controls:
Player 1:
Arrow keys = move and jump
Double click the left/right arrows to jump/roll forwards/backwards
Z, X, C (and sometimes V) = attack
Player 2:
I, J, K, L = move and jump
Double click the J / L keys to jump/roll forwards/backwards
A, S, D (and sometimes F) = attack
Common:
Space bar = pause
Esc = exit game (back to menu)
Enter = take a screenshot