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