Here is the full list of all 36 Oddworld: Stranger's Wrath HD achievements.
Finish the game on Hard
Finish the game on Normal
Defeat the corrupt Sekto.
Finish the game on Easy
Take out the two Gloktigi.
Reach Sekto Springs.
Take out Gloktigi.
Enter the Dam Facility.
Take a boat from Bloody Bay and survive.
Defeat the Wolvark attackers in the Native Village
Destroy the 10 hidden barrels.
Find a hidden bottle of medicine.
Find the hidden entrance into the Wolvark Barracks
Take out D. Caste Raider
Have 20,000 Moolah when you take the barge to Doc’s Mongo Retreat.
Take out Fatty McBoomBoom
Take out Lefty Lugnutz
Take out Elboze Freely
Collect 25 orange crystals.
Take out Xplosives McGee
Find the Black Market.
Bounty 250 Outlaws
Bounty 250 Outlaws alive.
Take out Meagly McGraw
Take out Packrat Palooka
Collect 40 Moolah chests.
Rescue Eugene Ius
Take out Jo Mama
Find the hidden Grubb Idol
Take out Filthy Hands Floyd
Take out Looten Duke
Take out Boilz Booty
Kill Farmer Beeks
Leap the broken bridge!
Complete the Tutorial
Bounty Blizterz Booty