No missable achievements (plus 65 unknown)
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Kill a person.
Disable a religious item.
Find 1 bobblehead.
Kick dead enemy head around.
Kill a person with a blunt object.
Kill a person with electricity.
Get Lucius's suit.
Kill a person with Poison.
Kill a person with fire.
Make a double kill.
Complete first level.
Disable 5 religious items.
Find a tricycle and ride it.
Complete second level.
Kill a person with Acid.
Complete third level.
Kill a person by getting them to drop down to the elevator shaft.
Make a succesfull Call.
Disable 10 religious items.
Complete fourth level.
Touch four kids.
Finish chapter 1.
Sabotage a heart transplant.
Find 12 bobbleheads.
Use 5 different items with mindcontrol.
Kill a person with a nailgun.
Complete sixth level.
Steal money from Ludlow.
Pick Up a beachball.
Complete seventh level.
Complete eight level.
Split a persons head with a circular saw.
Complete ninth level.
Create a homemade bomb from fertilizer.
Kill more than three persons in a row.
Make a person mad.
Complete the game.
Decapitate an enemy 6 times.
Kill passangers from the bus.
Find 25 bobbleheads.
Use 4 vending machines to acquire goods.
Attract enemy attention 5 times with smokes.
Kill 3 people with the pressure chamber.
Kill everyone at Ludlow.
Use chainsaw to kill an enemy.
Attack and kill 5 persons with mindcontrol.
Use bees to kill an enemy.
You need to figure this one out yourself.
Make someone else shoot you with a nailgun.
Get run over by a car.
Kill 3 persons with a scythe.
Find 40 bobbleheads.
Use chainsaw to kill an enemy in the final episode.
Explode a gas pump.
Witness a person getting ran over by a car.
Kill 3 people with firehydrant.
Kill everyone in every level.
Use a woodchipper to make minced meat.
Kill 3 people by using the environment while they are having a smoke.
Get run over by MJ.
Find 60 bobbleheads.
Hit a person with sledgehammer.
Break 5 different items with mindcontrol.