Here is the full list of all 13 SPEED UP achievements.
Survive 5 minutes in infinity mode.
Survive 2 minutes in infinity mode.
Survive 1 minutes in infinity mode.
Start the infinity mode!
Survive 3 minutes in super mode
Survive 2 minutes in super mode
Survive 1 minute in super mode
Survive 3 minute in hard mode
Survive 2 minutes in hard mode
Survive 1 minute in hard mode
Survive 3 minutes in medium mode
Survive 2 minutes in medium mode
Survive 1 minute in medium mode