Here is the full list of all 20 Afterfall: Reconquest Episode I achievements.
Finish the game
Finish all available quests
Get maximum level at Shield skill
Get maximum level at Drain skill
Go through all the stairs at the Gate
Get maximum level at Shrapnel skill
Find all loos at Gyula Creek
Kill 50 enemies using a melee attack
Kill 12 enemies with a bounced Shrapnel's bullet
Do 40 rolls
Using explosives, kill 15 enemies at once
Kill 3 enemies with one Shrapnel's shot
Get 25 headshot kills while using a Shield
Use Shield to absorb damage that would kill you 9 times
Find all secret locations
Kill 100 enemies using a machine gun
Get killed by a train
Get 7 lives by draining the enemies
Get killed by a lake
Barely survive the combat