- Infinite Dragon Power
Successfully complete Maximum mode on the Mania difficulty setting to get unlimited Dragon Power.

- Play as Mecha Frieza
Successfully complete the 'Time in the Other World' level in Frieza's storyline to unlock Mecha Frieza.

- Play as Gohan (Super Saiyan 2)
Successfully complete the 'Cell Game' level in Kid Gohan's storyline to unlock Gohan (Super Saiyan 2).

- Play as Goku (Super Saiyan)
Successfully complete the 'Showdown: Core/Cooler' level in Goku's storyline to unlock Goku (Super Saiyan).

- Play as Dende
Successfully complete the 'Cooler's Armored Squad' level in Piccolo's storyline to unlock Dende.

- Play as Trunks (Super Saiyan)
Successfully complete the 'Time Machine' level in Trunks' storyline to unlock Trunks (Super Saiyan).

- Play as Frieza
Successfully complete the 'Enraged Warriors' level in Goku's storyline to unlock Frieza.

- Extra Support
Watch the credits and wait until the black screen at the end finishes to unlock the use of one Extra Support.

- Play as Broly
Successfully complete the 'Legends of Devil!' level in Goku's storyline to unlock Broly.

- Play as Metal Cooler
Successfully complete the 'Big Gette Star' level in Cooler's storyline to unlock Metal Cooler.

- Mania Maximum mode
Successfully complete Maximum mode on the Hard difficulty setting to unlock the Mania difficulty setting in Maximum mode.

- Play as Dr. Gero
Successfully complete the 'Ambition' level in Gohan's storyline to unlock Dr. Gero.

- Play as Cell (Second Form)
Successfully complete the '18, Activate' level in Dr. Gero's storyline to unlock Cell (Second Form).

- Play as Super Buu
Successfully complete the 'Best Friend' level in Buu's storyline to unlock Super Buu.

- Play as Cooler
Successfully complete the 'A Battle of Blood Relations' level in Frieza's storyline to unlock Cooler.

- Play as Zarbon and Dodoria
Successfully complete the 'Frieza's Irritation' level in Frieza's storyline to unlock Zarbon and Dodoria.

- Play as Cell (Finish)
Successfully complete the 'Body: Successful!' level in Cell Finish's storyline to unlock Cell (Finish).

- Play as Ginyu
Successfully complete the 'Battle of Namek' level in Vegeta's storyline to unlock Ginyu.

- Play as Neko Majin Z (Japanese version)
Successfully complete Z Battle mode and all sixty Maximum mode battles on the Novice, Hard, and Mania difficulty settings. At the mode selection screen, press Up, X, Down, Y, L, R, L, R, Begin. Then, highlight any support character, keep pushed R and press A.

- Maximum mode
Successfully complete Z-Battle with any team to unlock Maximum mode.

- Play as Bardock
Successfully complete the 'Fateful Reunion' level in Goku's storyline to unlock Bardock.

- Play as Hercule
Successfully complete the 'Best Friend' level in Buu's storyline to unlock Hercule.

- Play as Gohan (Teen)
Successfully complete the 'Golden Warrior' level in Kid Gohan's storyline to unlock Gohan (Teen).

- Play as Gotenks (Super Saiyan 3)
Successfully complete the 'Broken Door' level in Gotenks' storyline to unlock Gotenks (Super Saiyan 3).

- Play as Android #16 and #17
Successfully complete the '16's Agitation' level in Android #18's storyline to unlock Android #16 and #17.

- Play as Android #18
Successfully complete the 'Differences in Experience' level in Krillin's storyline to unlock Android #18.

- Play as Babidi
Successfully complete the 'Evil Discovered' level in Vegeta's storyline to unlock Babidi.

- Team attacks
Place the following characters on the same team and they will be able to do a simultaneous team attack:

Super Trunks, Super Vegeta, and Super 3 Gotenks
Goku, Adult Gohan, and Gotenks
Perfect Cell, Super or Evil Buu, and Frieza
Goku, Super 2 Gohan, and Bardock
Vegeta, Piccolo, and Goku

- Play as Dabura
Successfully complete the 'The Gate to the Other World' level in Buu's storyline to unlock Dabura.

- Hard Maximum mode
Successfully complete Maximum mode on the Novice difficulty setting to unlock the Hard difficulty setting in Maximum mode.

- Play as Shenron
Successfully complete the 'That Hurts, Shenron!' level in Ginyu's storyline to unlock Shenron.

- Play as Cell Jr.
Successfully complete the 'Cell Jr.' level in Cell's (Second Form) storyline to unlock Cell Jr..

- Play as Buu (Good)
Successfully complete the 'Super Buu Has Emerged!' level in Gotenks' storyline to unlock Buu (Good).

- Play as Vegeta (Super Saiyan)
Successfully complete the 'Vegeta vs Android 18' level in Vegeta's storyline to unlock Vegeta (Super Saiyan).

- Play as Tien and Yamcha
Successfully complete the 'Revived! The Ginyu Force' level in Krillin's storyline to unlock Tien and Yamcha.