Challenge rewards persist between runs
Named challenge achievements can grant Lunar Coins or unlock options, so check the logbook for a concrete goal before a run. Coin rewards come from the achievement, not each attempt.
Risk of Rain 2 farming centers on run-based item collection, teleporter rewards, challenge unlocks and Lunar Coins that persist between runs. Stage layouts and interactables are procedural, so useful routes focus on named systems and goals instead of fixed map coordinates.
16 farming guides · PC / Global retail build, with expansion content treated as optional.

Unlock requirements, costs and tips to help you get started.
Named challenge achievements can grant Lunar Coins or unlock options, so check the logbook for a concrete goal before a run. Coin rewards come from the achievement, not each attempt.
An Equipment Drone permanently takes the equipment you hand over, and a Cleansing Pool consumes a Lunar item. Use either only when you can spare that item.
Activating the shrine adds difficulty to the teleporter boss encounter and offers extra teleporter rewards. Decide whether your current build can handle the harder fight before using it.
Lead with clear Lunar Coin goals and progression gates, then list evergreen run routes and situational trades.
Turn a controlled early-run milestone into a fixed Lunar Coin challenge reward.
Complete a simple repeated milestone across separate runs for a fixed challenge reward.
Build a persistent Lunar Coin balance through challenge completions, then spend it on Lunar items in later runs.
Use a duration-based challenge to build a longer run while earning its fixed Lunar Coin reward.
Turn exploration of distinct stage layouts into a permanent Lunar Coin challenge reward.
Open access to the Bazaar’s lunar purchases and Null Portal route by spending a Lunar Coin at a stage altar.
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Turn a controlled early-run milestone into a fixed Lunar Coin challenge reward.
Complete a simple repeated milestone across separate runs for a fixed challenge reward.
Build a persistent Lunar Coin balance through challenge completions, then spend it on Lunar items in later runs.
Use a duration-based challenge to build a longer run while earning its fixed Lunar Coin reward.
Turn exploration of distinct stage layouts into a permanent Lunar Coin challenge reward.
Unlock alternate Commando skills permanently by completing their named challenge conditions.
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Complete the Void Fields challenge for a named, one-time Lunar Coin reward while exploring a hidden realm.
Trade a harder teleporter boss fight for an additional boss reward opportunity when the build is ready.
Exchange a Lunar item with a Cleansing Pool for a Pearl-family item when the trade improves the run.
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Open access to the Bazaar’s lunar purchases and Null Portal route by spending a Lunar Coin at a stage altar.
Turn a spare equipment slot item into an automated drone effect while accepting that the handover is permanent.
Extend a run through additional stage cycles to pursue long-run objectives and collect more run loot.
Browse more guides in this category.
Add a permanent Artifact option by matching its code and completing its dedicated realm trial.
Unlock a survivor through the Hallowed Concepts expansion’s multi-stage ritual.
Pursue a trial-linked challenge when a Prismatic Trial is available, and verify the named unlock afterward.
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Turn a controlled early-run milestone into a fixed Lunar Coin challenge reward.
Complete a simple repeated milestone across separate runs for a fixed challenge reward.
Build a persistent Lunar Coin balance through challenge completions, then spend it on Lunar items in later runs.
Use a duration-based challenge to build a longer run while earning its fixed Lunar Coin reward.
Turn exploration of distinct stage layouts into a permanent Lunar Coin challenge reward.
Open access to the Bazaar’s lunar purchases and Null Portal route by spending a Lunar Coin at a stage altar.
Complete the Void Fields challenge for a named, one-time Lunar Coin reward while exploring a hidden realm.
Unlock alternate Commando skills permanently by completing their named challenge conditions.
Combine a Huntress mastery unlock with a fixed Lunar Coin reward by finishing a Monsoon run or obliterating.
Add a permanent Artifact option by matching its code and completing its dedicated realm trial.
Unlock a survivor through the Hallowed Concepts expansion’s multi-stage ritual.
Trade a harder teleporter boss fight for an additional boss reward opportunity when the build is ready.
Exchange a Lunar item with a Cleansing Pool for a Pearl-family item when the trade improves the run.
Turn a spare equipment slot item into an automated drone effect while accepting that the handover is permanent.
Extend a run through additional stage cycles to pursue long-run objectives and collect more run loot.
Pursue a trial-linked challenge when a Prismatic Trial is available, and verify the named unlock afterward.