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Mycelarium Best Upgrade Order: A Practical Priority Guide

If you are searching for the best Mycelarium upgrade order, the most useful answer is not a fixed list.

Updated 2026-10-31 · Source-based guide

If you are searching for the best Mycelarium upgrade order, the most useful answer is not a fixed list. The right order depends on what is currently limiting your progress. Upgrade trees usually change between versions, and the “best” path in one save may be wasteful in another. What stays consistent is the decision process: find the bottleneck, classify each upgrade by the kind of problem it solves, then spend materials where they remove friction fastest.

Use this guide as an editable framework. Confirm exact upgrade names, costs, and effects in your in-game upgrade panel or official patch notes before committing rare materials.

Start With the Bottleneck, Not the Upgrade Tree

Most players open the Mycelarium screen and try to buy the most expensive-looking upgrade first. That often feels powerful but does little if the real problem is upstream.

Before spending anything, identify your current limiting factor. Common bottleneck types include:

  • Input shortage: you run out of the raw material needed to keep the Mycelarium active.
  • Output cap: production is fine, but storage, collection, or transport cannot keep up.
  • Recurring cost or upkeep: the structure works, but maintenance drains resources faster than it produces value.
  • Progression lock: you need a specific unlock before the next useful process becomes available.
  • Uptime problem: production stops because of a secondary requirement such as power, labor, temperature, or a linked system.

Track the Mycelarium during a normal play session rather than judging it from the menu. If you consistently end the session with a full output buffer, the bottleneck is probably logistics. If the buffer is empty and inputs are piling up, the bottleneck may be processing speed or an unlock.

Classify Every Upgrade Before Ranking It

Write each available upgrade in plain language. Then group it by the type of improvement it provides. This prevents you from comparing unrelated effects as if they were interchangeable.

Throughput Upgrades

These increase how much the Mycelarium processes or produces over time. They are strongest when your inputs are abundant and your output is being consumed quickly.

Choose throughput first when:

  • Inputs are not scarce.
  • You are actively spending the output elsewhere.
  • The upgrade removes a clear queue or backlog.

Cost and Upkeep Upgrades

These reduce the resources needed to run or repeat a process. They are easy to undervalue early, but they can matter more than a raw output boost if the Mycelarium is expensive to maintain.

Choose cost reductions first when:

  • You are profitable only in short bursts.
  • Upkeep scales with every additional use.
  • The same materials could otherwise buy a much larger throughput increase.

Capacity and Logistics Upgrades

These expand storage, collection range, transfer speed, or linked-system throughput. They do not make the Mycelarium faster, but they stop it from stalling.

Choose capacity first when:

  • Production pauses because storage is full.
  • Output sits uncollected while inputs continue to arrive.
  • The limiting factor is movement rather than processing.

Unlock and Tier Upgrades

These open new recipes, tiers, or linked processes. They often have prerequisites and may not show an immediate percentage gain.

Choose unlocks first when:

  • The next tier changes the resource math.
  • A prerequisite is blocking several other upgrades.
  • Your current output is useful only as an ingredient for something not yet available.

Quality-of-Life Upgrades

These reduce micromanagement, automate a small step, or improve interface clarity. They are worth taking when they save meaningful attention, but they should rarely outrank a direct bottleneck fix.

A Simple Way to Rank the Options

You do not need exact spreadsheets to make a good decision. Use a lightweight comparison instead.

For each upgrade, answer four questions:

  1. What problem does it solve? Match it to the bottleneck list above.
  2. How often does that problem occur? A bottleneck that appears every cycle matters more than one that appears once per session.
  3. What does it cost relative to alternatives? Include the opportunity cost of materials that could improve another system.
  4. What does it unlock later? Some upgrades are valuable mainly because they are prerequisites.

A practical rule of thumb: prioritize the upgrade with the largest effect on your most frequent bottleneck, divided by the materials it consumes. If two upgrades solve the same bottleneck, take the cheaper one first unless the expensive one unlocks a clearly better next step.

Early-Game Order: Remove Friction First

Early on, materials are usually scarce and the upgrade tree is shallow. The goal is not to maximize theoretical output. The goal is to make the Mycelarium stop interrupting your other plans.

A reliable early priority pattern is:

  1. Fix the first hard bottleneck, usually input supply or output collection.
  2. Take the cheapest upgrade that meaningfully improves uptime.
  3. Unlock the next useful process if it is close to affordable.
  4. Only then consider percentage-based improvements.

Small percentage boosts can be tempting because they appear in every row of the tree, but they rarely solve an early-game problem. If you are still manually fixing shortages or emptying full storage, a modest throughput increase will not change your session.

Mid-Game Order: Rebuild Around the New Bottleneck

After the first upgrades, the bottleneck usually moves. This is normal. The mistake is continuing down the original path because it worked before.

Re-run the bottleneck check after every major unlock. In mid-game, the strongest upgrades tend to do one of three things:

  • Raise the ceiling of the new limiting resource.
  • Reduce the cost of the process you now use most often.
  • Unlock a higher tier that changes the value of your existing materials.

If the Mycelarium has become a reliable producer, the next constraint is often elsewhere in your base. In that case, the best Mycelarium upgrade may be the one that feeds another system more efficiently, not the one with the largest standalone number.

Late-Game Order: Optimize for Consistency and Access

Late-game decisions are less about raw output and more about efficiency, uptime, and access to advanced processes. By this stage, you may have enough production to cover normal needs, so the best upgrade is often the one that removes waste or unlocks a specialized conversion.

Prioritize late-game upgrades that:

  • Reduce recurring costs that scale with frequent use.
  • Improve consistency rather than only peak output.
  • Unlock advanced recipes or linked systems.
  • Remove a dependency that forces you to maintain multiple parallel setups.

If you are pursuing a specific build, achievement, or challenge, let that goal define the order. A specialization run may justify a different path than a balanced economy run.

Three Common Ordering Strategies

Different goals justify different approaches. Use this comparison to choose a starting philosophy, then adjust as bottlenecks change.

StrategyChoose it whenMain risk
Efficiency-firstRecurring costs or upkeep are limiting youMay delay unlocks that would remove the bottleneck entirely
Unlock-firstThe next tier or recipe changes the resource mathCan feel slow if the unlock does not immediately pay off
Capacity-firstProduction stalls because storage or transport is fullAdds headroom you cannot use until throughput improves

None of these is universally correct. The best players usually blend them: fix the bottleneck, unlock the next meaningful step, then return to efficiency once the system is stable.

Checks Before You Spend Rare Materials

Before committing to an upgrade, run through this checklist:

  • Does it affect the bottleneck I identified in actual play?
  • Will it still matter after the next unlock, or will it become obsolete?
  • Are there prerequisites that gate a better option?
  • Are the materials needed for a more impactful upgrade elsewhere?
  • Does it stack with bonuses I already have, or is it partially redundant?
  • Is it a one-time purchase or repeatable investment?
  • Have I confirmed the current values rather than relying on an older guide?

If an upgrade fails the first two checks, it is probably a distraction.

How to Verify Current-version Details

Because upgrade effects and costs can change, treat any fixed order as a hypothesis until you confirm it in your version. The most reliable checks are:

  • Read the in-game tooltip for the exact effect and cost.
  • Compare production before and after the upgrade over the same length of time.
  • Check official patch notes for recent changes to the Mycelarium or related systems.
  • Test one upgrade at a time so you can attribute the change correctly.

If two sources disagree, trust the in-game tooltip and your own before-and-after measurement over third-party summaries.

Bottom Line

The best Mycelarium upgrade order is the one that removes your current bottleneck with the least wasted material. Start by diagnosing what actually stops progress, classify upgrades by the problem they solve, then spend on the highest-impact fix first. Re-evaluate after every major unlock, because the correct path will change as your economy grows.