bosses · boss list · groundskeeper · the swarm · the queen
Well Dweller All 13 Bosses
Every Well Dweller boss with its area, achievement and what beating it actually unlocks, from The Groundskeeper to The Queen.
Read boss pageBosses
Every Well Dweller boss and boss-style sequence with the area it sits in, the ability it gates and the achievement it awards. Names, counts and order are attributed per entry, and confirmed and unconfirmed names are marked separately.
Start with the first Well Dweller bosses article below, then work through the rest of this section.

Every article is indexed from content/bosses/ and rendered on this page automatically.
bosses · boss list · groundskeeper · the swarm · the queen
Every Well Dweller boss with its area, achievement and what beating it actually unlocks, from The Groundskeeper to The Queen.
Read boss pagebosses · groundskeeper · the swarm · lady of the drains
How to beat the first three Well Dweller bosses: the Groundskeeper's slide windows, the Swarm's skull phase and the Lady of the Drains elevator fight.
Read boss pagebosses · starsinger · forest king · creature from the deep · lida the terrible
How to beat Well Dweller's mid-game bosses: the Starsinger's phase two, the Forest King, the Creature from the Deep and Lida the Terrible.
Read boss pageCommon Questions
The questions players ask most about Well Dweller.
The developer counted 13 bosses or boss-style sequences across 15 main biomes. The free demo only names one of them, The Groundskeeper, so the rest of the list is filled in from the published achievement list and post-launch guides.
The Groundskeeper is the first boss, at the end of Night Garden before you enter the Hunter's Cabin. Defeating it awards the Dark Garden achievement.
Yes - a boss rush and time-trial replays are reported as post-game challenge content. We list it as reported rather than tested until a run is recorded on this site.