Level 1 - Prison.
Galo-kun is in prison after the end of the music video. He does boring and tiring manual labour with his cellmate Kamina. A fight breaks out in the cafeteria and starts a prison riot. You begin fighting your way through the facility. Near the exit, you fight the prison warden and knock him into a self destruct button. The prison explodes and sends you and other inmates flying through the air with shrapnel and pieces of roofing. Everyone grabs a piece and lands on a downhill slope towards the city. The explosion hits a helicopter and knocks the blades off which Galo uses to slide on. You need to slide down the hill and avoid obstacles while fighting off the other sliding inmates. Something happens at the bottom and the second level starts.

Level 2 - City.
You make your way through the metro while fighting namekian gang members, police officers and angry japanese business men. As you progress, you obtain your standard clothes and bling from various shops. After a while you head down to a subway station and get on a train. You mostly fight stressed out business men on here but there are namekians and railway staff as well. When you get off the train you exit the station and travel through the city a little more before fighting a boss.

Level 3 - Club.
Beat up the bouncers at the front of the club before going inside. There are friendly Galos and Ganguro girls dancing in the background as you fight namekian ravers and more bouncers. Somewhere along the way you can do the minigames. After you fight your way to the other side of the club, you battle the Destructo Disc Jockey. He's levitating with his turntables and mixer and shoot discs at you. You can hit back the discs to knock him off and then fight him on the ground. Beating him unlocks the destructo disc move. Some other stuff happens and then you exit the club with your fellow Galos.

Level 4 - TV Station
Theres a short city sequence before you enter the TV station and defeat all the staff and guards, progressing up to the top floor. Theres a boss here and defeating him lets you broadcast your message around Japan (or the world?). Some other stuff happens too.

Level 5 - Streets
Upon leaving the TV station, you find that the city is in chaos. Galos, Namekians, police and ordinary people are fighting everywhere. Buildings and cars are aflame. The riot squad and government officials are out to get you now and will use guns and explosives. You arrive at Tokyo Station and fight the boss of the Namekian Yakuza and then get on a bullet train to the countryside where your parents live. The government agents have lost your trail now that you've escaped Tokyo.

Level 6 - Parents' house
You exit the station and walk through the empty suburbs for a little while. When you arrive at the house theres a cutscene and then the boss battle begins. First theres a simple street fighter style sequence like the end of the music video but your mom hasn't gone super saiyan yet. When you defeat her once, she powers up and becomes harder to beat. Defeating her again, she enters a mecha and summons your dad and sister. You fight your sister and dad while dodging the attacks from the mecha until you knock them out, leaving the mecha vulnerable to a disco ball spirit bomb. The game ends and shows all of Japan united in a glorious galish lifestyle. The credits roll and /v/ sings Galo Sengen.