Here is the full list of all 40 Wasteland Angel achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
50 kills in Frenzy bonus level
25 kills in Frenzy bonus level
Finished the Story mode
Location 6 Finished
Location 5 Finished
50 checkpoints collected in Racing bonus level
Mutant boss killed
Maxed out the weapon level
Location 4 Finished
Killed 5 enemies with one Nuke
Location 3 Finished
Tank boss killed
99x multiplier
Full armor collected
Recharge to full hitpoints in Recharge Area
100 Million score
Location 2 Finished
25 checkpoints collected in Racing bonus level
10 special weapons collected (but not used yet)
Finished a level with over 25% accuracy
Killed a civilian
Drive over 10 enemy drivers in one level
50x multiplier
25 kills in Survival bonus level
50 kills in Survival bonus level
Location 1 Finished
20 Kill combo
10 Million score
Harvester boss killed
20x multiplier
15 seconds of airtime in one level
Turned 5 enemies into flames with one Napalm
1 Million score
All civilians saved in one level
10 Kill combo
100K score
5 Kill combo
Tutorials passed
2 Kill combo
Killed an enemy driver