Here is the full list of all 35 Vector Assault achievements.
Survive for 5 minutes
Kill 300 enemies on Stage 6 without dying 6 times
Play all modes once
Complete a stage in under 2 minutes
Complete a Stage in Arcade mode 5 time in under 2 minutes
Kill 150 enemies on Stage 6 without dying
Get 200 kills in Stage 7 without dying
Clear Stage 2
Clear Stage 3
Clear Stage 4
Clear Stage 5
Clear Stage 6
Clear Stage 7
Clear Stage 8
Clear Stage 9
Score 10000 points.
Get 75000 points
Score 300,000 in Survival Mode
Score 750,000 points in Survival Mode
Score 1,250,000 points in Survival Mode
Score 2,000,000 points
Get a 5x multiplier
Get a 10x multiplier
Get a 20x multiplier
Get the highest multiplier possible
Survive for 3 minutes with out dying
Kill 100 enemies without dying
Kill 200 enemies without dying
Get 300 kills without dying
Clear Stage 1
Get 50,000 points in 3 separate levels
Score 1,250,000 points in Survival Mode 10 times
Survive without dying 3 times
Survive for 3 minutes without dying on stage 6
Get 3,000,000 points in Survival Mode 3 times