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