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