- PC
Unlockables:
Complete the following tasks to unlock the corresponding feature.
Endless Mode:
Unlock ALL characters.
Play as Mega Man:
Complete Arcade mode with ALL four starting characters.
Play as Vaporeon:
Remain in Saffron City until facing Vaporean in a battle. Defeat Vaporean to unlock him as a playable character.
Battlefield Stage:
Earn 15 points/kills in Endless mode.
Clock Town Stage:
Play 100 Vs. Mode matches or alternately, get 30 points/kills in Endless mode with two players.
Dr. Wily's Castle Stage:
Complete Arcade mode.
Kirby's Air Ride Stage:
Kill someone in Vs mode as Kirby with Swallow to end the match.
Lavender Town Stage:
Win twenty matches in Versus mode or alternately, score 30 points as Pikachu in Endless mode.
Underground Stage:
Complete Arcade mode as Mario without losing any lives.
Unlock ALL Characters and Stages:
The following procedure involves editing a game file so it is advised that you create a backup copy of the file before proceeding. Use a text editor to edit the 'SSL-D3.SAV' file in the game directory by changing every occurrence of 'd' to an 'e' (without the quotes).