Here is the full list of all 28 Don't Knock Twice achievements.
Complete the game without lighting any wall candles.
Find 100% of collectables in a single playthrough.
Find 100% of collectables.
Dunk the basketball.
Destroy all of the Russian dolls.
Pot the black snooker ball.
Feed the crow.
Find all of the family photographs.
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.