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