No missable achievements (plus 50 unknown)
Sign in with Steam or Xbox to track your progress, and:
You completed the GH Live tutorial.
You completed a set in GH Live.
You finished every song of a single set with a positive crowd in GH Live.
You switched the crowd from negative to positive in the last ten seconds of a song in GH Live.
You acquired a Player Card in GHTV.
You completed 3 songs in Quickplay.
You played with 8 different bands in GH Live.
You hit each type of note in a single song in GHTV.
You completed all the SoundDial stages in GH Live on any difficulty.
You completed all the Rock the Block stages in GH Live on any difficulty.
You completed GH Live on any difficulty.
You got a 50 note streak 50 times while playing GHTV.
You earned 150 stars in GHTV.
You completed 7 sets in GH Live, each with an overall "Awesome" rating, on any difficulty.
You scored over 30,000 points in 50 songs in GHTV.
You got a Full Combo in a song in GHTV.
You equipped 5 different Highways in GHTV.
You Acquired 4 Player Cards in GHTV.
You placed 3rd or above 30 times in the free GHTV channels.
You logged into GHTV 5 days in a row.
You got a total of 25 stars in 5 consecutive songs on free GHTV channels.
You played GHTV for 10 hours.
You played GHTV for 60 minutes without changing the channel.
You got 5 stars in 50 songs in GHTV on any difficulty.
You got 50 stars in GHTV on Expert difficulty.
You earned 1,000 stars in GHTV.
You used 100 Plays in GHTV.
You played an On Demand song in GHTV with lefty flip on and got 3 Stars.
You used 5 unique Hero Powers in GHTV.
You finished in the top 5 of 18 consecutive On Demand songs in GHTV.
You fully upgraded a skill on your guitar in GHTV.
You played GHTV for 24 hours!
You scored 50,000,000 points in GHTV.
You got to level 20 in GHTV.
You scored 420,000 or more points in a song in GHTV without using a Hero Power.
You got 100% in two songs in Quickplay on Regular difficulty.
You got 5 stars on every song in Quickplay or GH Live.
You scored over 500,000 points in a song on GHTV.
You connected to GHTV 10 days in a row.
You gave an "Awesome" performance in all sets in GH Live on Regular difficulty or higher.
You scored 100,000,000 points in GHTV.
You watched the credits sequence twice.
You watched all of the band profile videos in both festival galleries in GH Live.
You used a Hero Power 6 times during a song in GHTV.
You scored 20,000,000 points in Quickplay.
You used Hero Powers 1,000 times in GHTV.
You earned a 1,000 note streak in GHTV.
You have strummed 1,000,000 times in GHTV.
You got 100% in 4 songs on Expert difficulty in GH Live.
Congratulations! You've unlocked all the Guitar Hero Live achievements!