Here is the full list of all 8 Deathbloom: Chapter 1 achievements.
Open the garden gate with three keys
Enter Bachman Manor and begin your journey
Navigate the winding pathways of the Flooded Basement
Find the hidden Shotgun in the Residential Area
Hallucinate after being gassed with Deathbloom
Defeat the Chainsaw wielding “Samuel”
Solve the “Projector Puzzle” in the Upper House
Go deeper into the house than ever before…