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