Here is the full list of all 28 Don't Knock Twice achievements.
Complete the game without lighting any wall candles.
Destroy all of the Russian dolls.
Feed the crow.
Find 100% of collectables in a single playthrough.
Find 100% of collectables.
Find all of the family photographs.
Pot the black snooker ball.
Dunk the basketball.
Destroy half of the Russian dolls.
Find 80% of collectables.
Destroy a door handle.
Find the axe.
Find 60% of collectables.
Find the flamethrower.
Read Jess' diary entries.
Find 40% of collectables.
Read Chloe's diary entries.
Destroy a Russian doll.
Light the candle.