Start by treating exploration as a second deckbuilding game, not downtime between fights. Keep both decks lean, spend Explore cards on the obstacle they actually solve, watch the damage preview before resting, and grow a small number of reliable attacks instead of collecting every reward you see.
Version note: Shroom and Gloom launched into Early Access on September 10, 2026 and has shipped patches since — most recently 0.6.41 (September 23), which fixes character unlocks and Reroll soft-locks and puts the Discard Pile into the deck viewer after 0.6.39 added Dice rerolls and eased the Janitor and Facility for new players. Treat demo footage as historical unless the same behavior appears in launch footage or official notes.
The run loop in plain English
A run alternates between combat and exploration. Combat is where your attack cards, Fatal triggers, Vulnerable setups and food generation matter. Exploration is where you open routes, build or repair structures, upgrade cards, manage health and prepare the next fight.
The easy mistake is to treat every offered card as free power. It is not. Every extra card competes with the cards you actually want to draw. Launch footage repeatedly shows strong runs becoming awkward once the hand is full of low-impact options.
Five rules that make the game easier
- Grow a core attack instead of everything. Practice structures and growth effects become much more valuable when they repeatedly improve the card that already carries your damage.
- Use Fatal deliberately. A Fatal effect only matters if that card gets the kill. Set up the enemy first, then spend the finisher.
- Keep food as both healing and economy. Toasties can rescue health, but food also interacts with shops and build effects. Do not auto-eat every piece the moment it appears.
- Read the rest cost before ending exploration. Threat can make another rest expensive; Warmth can reduce that penalty.
- Forget weak cards. Paying to remove a mediocre card is often better than buying another mediocre card.
What each Explore action is for
| Action | What to look for | Practical use |
|---|---|---|
| Dig | buried spot / soft ground | rewards, route resources, cards |
| Unlock | doors, chests, gated objects | safer than bashing when a key effect is available |
| Break | blocked or breakable objects | brute-force progress, sometimes with a health cost |
| Reveal | obscured objects / Gloom-covered interactables | exposes options you cannot use yet |
| Fix | broken structures | enables stations and Facility machinery |
| Ignite | flammable objects / camp structures | commonly creates Warmth or related effects |
| Feed | creatures or food-accepting objects | trades food for rewards or new resources |
A clean first-run decision order
Before you rest, ask: Is there an object I can reveal, fix, unlock, feed, ignite or dig first? Then check the displayed rest penalty. If a cheap action creates Warmth or another resource, take it before accepting damage. If your Explore hand is dead, resting may still be correct — just make it a decision rather than a reflex.
Deck building without the trap
A small deck does not mean refusing every reward. It means having a reason for each card. If your best attack scales when cards grow, prioritize growth and draw. If your run creates Toasties on Fatal kills, prioritize reliable finishers and ways to convert food into more value. If you cannot describe what a new card improves, skipping it is often the cleaner choice.
Post-launch patches: 0.6.24, 0.6.39 and 0.6.41
The site’s other pages were written against the launch build. These three patches are what has changed since, and each lands on things a beginner will notice immediately.
0.6.41 (September 23) — the third patch
The developer describes this one as the same kind of pass as the first two: critical bugs first, then play experience. The changes a beginner will actually feel:
- Concerned Parent now unlocks. If the character never appeared for you, complete one run after updating and it is granted automatically — the developer is asking players to report it if it still does not.
- Missing achievements were fixed, along with Rerolls that could soft-lock a run or disable card options, and card saving is more stable.
- The deck viewer now shows the Discard Pile, so you can check what is already spent before you plan a rest or a draw.
- Shivering Horror tells you which card it will take, which turns the steal into something you can plan around instead of discover afterwards. Its card icon was also updated so it no longer reads like the Creeping Horror’s.
- Retreating enemies come back as veterans. If an enemy runs away with your card lodged in it, you now have to beat its veteran version when it returns before you get the card back.
- Evolve status is hidden on some smaller enemies on purpose — the developer wants those evolutions to stay a surprise. Poisoned status numbers also stopped ticking down on enemies, which is a display change rather than a rules change.
- Bug fixes that matter in a run: being locked into a fight after the enemies were already dead, audio and music playback, offline play, ESC opening the pause menu during the round-up, the pause menu opening over an already-open deck view, and a localization edge case where UI text stopped updating.
Coming, not live: Gloom Levels (difficulty challenges at the end of progression), the Deck Crystal card compendium, a Quest Cabinet for quests and rewards, a third character for The Facility, and Steam Deck verification.
0.6.39 (September 16) — Dice, and a softer Janitor
- Dice were added. You can collect them to reroll certain card choices, which the developer added specifically to take the edge off bad RNG. Expect this to shift how you value card offers: an unappealing draw is now a reroll opportunity rather than a dead end.
- The Janitor and The Facility were eased. The developer’s own analytics showed only a small majority of runs were ending in The Gloom, and community feedback consistently called The Janitor and The Facility too hard or too complicated for new players. The changes are tuning rather than a redesign — the goal was to make the playstyle easier to pick up, not to make the Janitor outright stronger.
- Several Phase 2 (P2) card behaviours were improved.
- Simplified Chinese stability: a bug that could freeze the game on startup for Chinese-language players was addressed.
- Coming, not live: “Gloom Levels” challenge modes, aimed at players who already find the game easy.
0.6.24 (September 15) — the first patch
- The achievements “Gloom Slayer” and “Would you love me if I were a worm” now unlock correctly.
- Loading times improved, and a Chinese loading-screen issue was resolved across two attempts (the loading screen is now an image).
- Explore rooms with 3 doors had their layout adjusted.
- Veterans (the enemies that run away) should now have their lodged cards when you meet them again, though this may not persist across separate sessions.
- Permanent copies of food and data now carry the “Endless” property, which matters if you are building around permanent resources.
- More torches can spawn in more locations on The Forgotten Path.
- A long list of card and engine bugs: Acid Vial, cancelling casts, dead enemies taking damage, the deck viewer opening mid-transition, locked cards appearing in odd places, and sound errors.
The practical read: the two pages most affected are the Characters guide (the Janitor’s difficulty changed) and the Deck Systems guide (Dice are a new reroll layer). Treat anything that says the Janitor or the Facility is brutally hard as pre-0.6.39.
Where to go next
Use the Deck Systems guide for the three deck layers, the Warmth & Threat guide before risky rest chains, and the Run Planner as a quick second-screen checklist.