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