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