Here is the full list of all 32 Umbra: Shadow of Death achievements.
Finished level 1 and made it under-ground.
Finished level 2.
Finished level 3.
Finished level 4.
Finished level 5.
Finished level 6.
Against all of the odds, you stuck to it and finished the game - well done!
Completed the game and died less than 20 times! Outstanding!
Completed the game and died less than 40 times! Excellent!
Completed the game and died less than 60 times! Well done!
Completed the game without using any hints at all. You clever so-and-so...
Completed the game and used less than 5 hints to solve the puzzles.
Crashed the truck less than 5 times! Good skills!
Crashed the truck no more than 10 times!
Saved the imprisoned children. This is a special award for cunning and determination. Well done!
Nice shooting - you shot down a UFO!
You demonstrated determination and skill by shooting down 2 UFOs! This is almost impossible!
You seem to enjoy killing yourself - you died more than 100 times!
You successfully negotiated the first obstacle - well done!
Figured out how to swing on and jump off a rope. It's harder than it sounds!
You weren't put off by the rotting torso... Well played!
Avoided an onslaught of bullets.
A different kind of roller-coaster - and you owned it!
This puzzle was particularly challenging - well done!
No one can hear you scream when you're in oblivion.
Get some air in a monster truck!
It's not every day that you get to jump a bridge like that! Awesome!
It's been a long and difficult journey, but now it's almost at an end - you found your sister!
An achievement of gravity-defying proportions. Completed in a monster truck, no less!
You gave freedom to an imprisoned kid - well done!
Representing determination beyond reason.
Excellent problem solving topped by a leap into the unknown.