Here is the full list of all 35 Oddworld: New 'n' Tasty achievements.
Become a Mudokon salami.
Kill 99 Mudokon slaves.
Become a Mudokon saviour.
Rescue every Mudokon while finishing New 'n' Tasty in Easy mode.
Rescue every Mudokon while finishing New 'n' Tasty in Normal mode.
Rescue every Mudokon while finishing New 'n' Tasty in Hard mode.
Rescue every Mudokon with an overall Best Time of 3:00:00 or less.
Turn off the gas with more than 30 seconds to spare.
Shut down the RuptureFarms generator.
Rescue half of all the Mudokons.
Break back into RuptureFarms.
Acquire the power of Shrykull.
Find and use all the secret entrances to RuptureFarms.
Acquire the first hand scar.
Escape 5 or more pursuing Paramites.
Kill Sligs in 15 different ways.
Ride Elum for 200 meters without stopping.
Escape Stockyards and Free Fire Zone without triggering the alarm or dying.
Deactivate 3 toggle mines in a row with no mistakes.
Kill 30 Slogs in 30 seconds.
Kill 9 Sligs with a single possessed Slig.
Have Abe die in 15 different ways.
Find Sanctuary in the Holy Caves.
Kill a bat with a rock.
Bounce a rock off a wall and on to a mine.
Rescue a quarter of all the Mudokons.
Escape a Scrab by the skin of your loins.
Run from a Scrab for 25 meters and survive.
Escape from RuptureFarms without Abe being spotted by any Slig.
Drop 2 Sligs down a single trapdoor at the same time.
Rescue 9 Mudokons at the same time.
As a possessed Slig, fire over the head of a cowering Mudokon.
Fail to observe your surroundings.
Kill a Slig with any kind of mine.
Destroy a Chant Suppressor with a cooked grenade.