Ouroboros: Mode, Upgrades & Codex Changes

Mycopunk Ouroboros: What the Update Changes

Mycopunk Ouroboros turns the upgrade loop into a run-based experiment: you start with your current upgrades temporarily cleared, scavenge new gear room by room, and build something absurd before extraction. That matters because the mode rewards bold stacking and fast decisions instead of slow, permanent progression. If you want to make the most of Mycopunk Ouroboros, focus on early synergy, plan your cleanse choices, and treat every room as a chance to test a new combination.

Launching the new Ouroboros mission wipes your equipped upgrades for the duration of the run. You then find and equip fresh upgrades as you move through rooms. At the end, you can cleanse some of those picks to keep them forever. Nearly every upgrade can stack, so a run can become intentionally overpowered. The mode can also reveal upgrades you have not yet discovered permanently, which makes each attempt useful even when the build falls apart.

Two rarity rules shape the mode. Contraband is a new rarity exclusive to Ouroboros, so you will not find those upgrades outside the mode. Oddity upgrades are much more common here, but cleansing them is expensive. That creates the central tension of the mode: chase wild effects for the current run, then decide which ones deserve a permanent place in your collection.

How an Ouroboros Run Works

The loop is easy to learn, but the choices get sharp quickly. Treat the first few rooms as setup, not as a shopping list for your normal loadout. The table below shows the basic flow and the practical move at each stage.

Three habits make runs smoother. First, test unfamiliar upgrades early, while the cost of a weak pick is low. Second, stack effects that reinforce each other rather than collecting isolated bonuses. Third, after Death Protection saves you, prioritize getting back to full health so the safety net can reset.

Mycopunk Ouroboros is built for stack-first thinking. A single strong upgrade is useful, but two or three overlapping effects can carry a run. If you find a Contraband or a strange Oddity, try it before you dismiss it. The mode is designed to let you get overpowered for one run, so cautious half-builds often underperform.

Best New Upgrades to Chase

The update adds new Exotic and Epic upgrades across several employees. These are not ranked tiers, but they are strong examples of effects worth testing when they appear. The right pick still depends on your current stack and room layout.

The update also includes a redacted Grenade Exotic and an Oddity called Boundary Incursion whose details are hidden. Treat those as discovery targets rather than known quantities.

Contraband, Oddity, and Cleanse Strategy

Cleansing is the long game in Mycopunk Ouroboros, and it is easy to overvalue a flashy run. Before you keep an upgrade, ask whether it enables a build you cannot easily recreate and whether it will still matter in normal missions. A stack that only worked because of five other Ouroboros picks may not deserve a permanent slot. A quieter upgrade that fills a gap in your standard loadout often does.

Oddity cleansing deserves extra caution because it is expensive. Use Oddities to power the current run, but do not assume every Oddity is an automatic keep. If one transforms your plan, budget for it at extraction. If it is merely fun in the moment, let it go.

Codex, Combat, and Quality-of-Life Changes

The Codex is a new inventory tab that lists every weapon, upgrade, and skin in the game. Selecting an entry tells you how it is acquired unless the method is secret. It also lists discovered data logs, including Roachard’s private emails, so collection hunting and lore reading now share one screen.

Combat and interface changes matter just as much. Pocket Reload now makes damage from your primary weapon load ammo into your other weapon’s magazine before filling its reserves. Third Arm is smaller and increases auto reload speed. Death Protection turns most lethal damage into a near-death state once per full-health cycle. Enemy autocannons have reduced spread, slower bullets, and 40% less damage, while normal enemy lasers show a thin warning line before they can hurt you. Abominations can now melee all players in range, so spread out instead of stacking on one spot.

Upgrade rotation now unlocks one rarity at a time. Standard opens at level 3, Rare at level 8, Epic at level 16, and Exotic+ at level 30. If a rarity is not rotating yet, keep leveling; the feature opens in stages rather than all at once.

Several existing upgrades also received tuning. Incendiary Grenade’s Ignition Charge now gains more from melee hits on ignited targets, with the minimum rising from 0.6 to 1.4 and the maximum from 1.2 to 1.8. Au-Si Jackrabbit’s Ghosting now pierces targets instead of bouncing, costs 5 cells instead of 3, and is now Epic. Swarm Gun generates 15% more ammo from damaging with your other weapon. Globbler’s Pocket Replication can overflow the magazine and costs 3 cells instead of 4. Globulous Siphon’s max size drops from 20–23 to 12–13, and siphoning grows explosion size 33% slower.

FAQ

What is Mycopunk Ouroboros?
Mycopunk Ouroboros is the roguelite mission mode that temporarily clears your upgrades, lets you build from room finds, and offers a chance to cleanse some upgrades permanently at the end of a run.

Do you keep upgrades after an Ouroboros run?
Only some. You can cleanse selected upgrades at the end of a run to keep them forever. Oddity upgrades are especially expensive to cleanse, so choose carefully.

What are Contraband upgrades?
Contraband is a new upgrade rarity exclusive to Ouroboros. These are mode-specific finds, so do not expect to use them outside the roguelite mission.

How does upgrade rotation unlock?
Upgrade rotation opens by rarity: Standard at level 3, Rare at level 8, Epic at level 16, and Exotic+ at level 30. Keep leveling to unlock each stage.