Here is the full list of all 75 Project Warlock II achievements.
Kill 500 Bugdemons.
Kill 500 Knights.
Complete the first episode on the easiest difficulty.
Kill 500 Pigdemons.
Kill 1000 Boneys.
Find the Duskdude
Complete the first episode on the hardcore difficulty.
Find all secrets on all levels.
Find all secrets in E1M12.
Fight through the ruins.
Find all secrets in E1M11.
Find the Hedongirl.
Reach the ruin complex.
Find all secrets in E1M5.
Fight through the old village.
Find all secrets in E1M4.
Kill 1000 Succubuses.
Travel through the ancient forest.
Find all secrets in E1M3.
Kill 500 Boneys.
Find all secrets in E1M1.
Escape your castle.
Achieve at least 30% of headshot percentage on any level
Send 1000 ghouls back to the grave.
Kill a Knight with a Claymore.
Kill 1000 monsters with headshots.
Kill 500 Succubuses.
Find Caroline.
Find the Amid Evil character.
Find the Square in the corner.
Kill 500 monsters with headshots.
Find the Prodeus guy.
Send 500 ghouls back to the grave.
Kill 100 monsters with headshots.
Find your first Bestiary entry.
Find the Nightmare Reaper Character
Kill 100 monsters.
Find your first secret.
Defeat the Necromancer
Complete the first episode on the standard difficulty.
Complete the first episode on the hard difficulty.
Kill 1000 Bugdemons.
Kill 1000 Knights.
Kill 1000 Pigdemons.
Kill 500 Shamblers.
Kill 1000 Shamblers.
Kill 10 000 monsters with headshots
Kill 500 Cacobots.
Kill 1000 Cacobots.
Kill 500 Necromages.
Kill 1000 Necromages.
Kill 500 Spiderlings.
Kill 1000 Spiderlings.
Kill 500 Spideys.
Kill 1000 Spideys
Kill 500 Weavers.
Kill 1000 Weavers.
Kill the Necromant 100 times.