Verified from official sources
- Steam Achievements are enabled; total count is 14.
- Highlighted achievement names from Steam: MURDERER, Heartless, Boy Scout, Heavy Handed, Gloom Slayer, Gunk Slayer, DIE, Spelunker, Urbexer, Would you love me if I were a worm?.
- Steam marks Heartless, Gloom Slayer, Gunk Slayer, and Urbexer as hidden in the highlighted API payload.
- Achievement titles reference combat (MURDERER, DIE, Heavy Handed), exploration (Spelunker, Urbexer), and slayer themes (Gloom Slayer, Gunk Slayer) without publishing unlock logic.
Honest gaps (not published yet)
- Individual unlock conditions, missables, and route order are not verified for publication.
- No first-hand 100% timeline or estimated completion hours are claimed here.
- Four achievements are hidden on Steam; we do not spoiler-guess their triggers.
How to use this 100% hub today
- Treat Steam’s total of 14 as the completion ceiling unless the store updates the list.
- Use highlighted names below as orientation — names are verified; steps are not.
- Pair achievement hunting with Builds and Pathways hubs for systems you can verify on the store page.
- Revisit after patch notes or verified unlock write-ups; we will not invent conditions.
Highlighted Steam achievement names
| Name | Steam hidden flag | Title-only hint (not an unlock guide) |
|---|---|---|
| MURDERER | Visible | Combat milestone tone |
| Heartless | Hidden | Unknown trigger — not catalogued here |
| Boy Scout | Visible | Progression/exploration tone |
| Heavy Handed | Visible | Combat style tone |
| Gloom Slayer | Hidden | Slayer theme; not a verified boss name list |
| Gunk Slayer | Hidden | Slayer theme; not a verified boss name list |
| DIE | Visible | Combat failure or kill theme |
| Spelunker | Visible | Dungeon exploration tone |
| Urbexer | Hidden | Exploration tone |
| Would you love me if I were a worm? | Visible | Flavor / joke achievement title |
Systems that may intersect with completion
Official materials emphasize double-deck runs, dungeon exploration, card growth, combat with fungal foes, and reaching the heart of The Gloom. Until unlock conditions are verified, plan runs around those verified loops rather than a fabricated checklist.
FAQ
How many achievements does Shroom and Gloom have?
Steam lists 14 achievements as of our 2026-09-11 review.
Where is the trophy guide?
This page is the site’s trophy / 100% briefing. Step-by-step unlocks will be added only when verified against official or reproducible first-hand notes.
Do hidden achievements mean secret bosses?
Hidden flags only mean Steam hides the achievement description until unlocked. They do not, by themselves, verify boss names or steps on this site.
Sources on this page
Every claim above traces to these links. If a detail is missing, we say so — we do not invent it.
- Steam store · Shroom and Gloom OFFICIAL Release state, features, Early Access plan, systems copy, languages, platforms
- Steam appdetails API · app 3271280 OFFICIAL Machine-readable price, achievements total/highlights, demo appid, platforms
- YouTube · Fonkuzi short demo gameplay COMMUNITY Short demo gameplay atmosphere
Related guides
Overview Evidence-backed overview of Shroom and Gloom on Steam: double-deckbuilding, card growth, dungeons, achievements, and where our topic hubs start. Bosses Boss guide hub for Shroom and Gloom: what Steam officially says about foes and The Gloom, without inventing a boss roster or kill order. Builds Evidence-limited build briefing for Shroom and Gloom: double-deck roles, card growth, eating/soup loops — without fake DPS or tier tables. Pathways Location overview for hand-drawn dungeons and The Gloom — not an interactive map. Verified pathway language and explicit product gaps.