Complete the following achievements to unlock Xbox Live Gamerscore points.

10 songs cleared (50 pts) Get a grade of D or higher in 10 songs.
20 songs cleared (50 pts) Get a grade of D or higher in 20 songs.
30 songs cleared (50 pts) Get a grade of D or higher in 30 songs.
40 songs cleared (50 pts) Get a grade of D or higher in 40 songs.
50 songs cleared (50 pts) Get a grade of D or higher in 50 songs.
60 songs cleared (50 pts) Get a grade of D or higher in 60 songs.
All songs cleared (50 pts) Get a grade of D or higher in all songs.
Apocalyptic cleared (20 pts) Clear all 6 Apocalyptic challenges in challenge mode.
Bongo! (30 pts) Purchased the song "Bongo!" in Quest mode.
Cachaca (30 pts) Purchase the song "cachaca" in Quest mode.
Catastrophic cleared (20 pts) Clear all 6 Catastrophic challenges in challenge mode.
Drivin' (30 pts) Purchase the song "Drivin'" in Quest mode.
Exorbitant cleared (20 pts) Clear all 6 Exorbitant challenges in challenge mode.
Genuine cleared (20 pts) Clear all 6 Genuine challenges in challenge mode.
Healing Vision (Gridlok Mix) (30 pts) Purchase the song "Healing Vision (Gridlok Mix)" in Quest mode.
Koibito (30 pts) Purchase the song "Koibito" in Quest mode.
Love Me Do (The Acolyte's mix) (30 pts) Purchased the song "Love Me Do (The Acolyte's Mix)" in Quest mode.
Marvelous cleared (20 pts) Clear all 6 Marvelous challenges in challenge mode.
MAXIMIZER (30 pts) Purchased the song "MAXIMIZER" in Quest mode.
MODERATE cleared (20 pts) Clear all 6 MODERATE challenges in challenge mode.
My Only Shining Star (30 pts) Purchase the song "My Only Shining Star" in Quest mode.
Ordinary cleared (20 pts) Clear all 6 Ordinary challenges in challenge mode.
Paramount cleared (20 pts) Clear all 6 Paramount challenges in challenge mode.
Paranoia Evolution (30 pts) Clear all 6 Paramount challenges in challenge mode.
Return of the Toe Jam (30 pts) Purchase the song "Return of the Toe Jam" in Quest mode.
SIMPLE cleared (20 pts) Clear all 6 SIMPLE challenges in challenge mode.
Stop Violence! (30 pts) Purchase the song "Stop Violence! - B.L.T. Re Production" in Quest mode.
Superior cleared (20 pts) Clear all 6 Superior challenges in challenge mode.
Think ya better D (30 pts) Purchased the song "think ya better D" in Quest mode.
Tir na n'Og (30 pts) Purchased the song "Tir na n'Og" in Quest mode.
Treble, Bass and Attitude (30 pts) Win first place of the chamionship in Quest mode.
Xenon (30 pts) Purchase the song "Xenon" in Quest mode.

Quest mode bonus songs - Complete the indicated task to unlock the corresponding song in Quest mode.

Unlockables

Bongo! Complete the Western Region competition.
Cachaca Complete the Washington special invitational event.
Drivin' Complete the Florida special invitational event.
Healing Vision Complete the Ontario special invitational event.
Koibito Complete the Texas special invitational event.
Love Me Do Complete the New York special invitational event.
MAXIMIZER Complete the Nation Championship #1 competition.
My Only Shining Star Complete the Eastern Region competition.
Paranoia Evolution Complete the Nation Championship #2 competition.
Return of the Toe Jam Complete the Southern Region competition.
Stop Violence! Complete the Missouri special invitational event.
Think ya Better D Complete the California special invitational event.
Tir na n'Og Complete the Northern Region competition.
Treble, Bass, and Attitude Complete the Illinois special invitational event.
Xenon Complete the Canadian Region competition.