Bomberman Ultra
11 Achievements
6-8h
PS3
Completely Unstoppable!
Remain undefeated for five consecutive 4+ player Online Multiplayer games.
1.7%
How to unlock the Completely Unstoppable! achievement in Bomberman Ultra - Definitive Guide
Blaze, Naruto, Shippuden
(Online)
Maximum Players Needed to Boost: At least 2
Please see the Girl Power! trophy for more information, since you can get both that and this with the same method.