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Chen-ChensClassicItems-2.3.5 icon


This mod is based from ThinkInvis.ClassicItems. Add missing classic items from Risk of Rain 1. Fully documented for other interested mod creators.

Date uploaded 5 months ago
Version 2.3.5
Download link
Downloads 23226
Dependency string Chen-ChensClassicItems-2.3.5

This mod requires the following mods to function

bbepis-BepInExPack-5.4.9 icon

Unified BepInEx all-in-one modding pack - plugin framework, detour library

Preferred version: 5.4.9
tristanmcpherson-R2API-3.0.30 icon

A modding API for Risk of Rain 2

Preferred version: 3.0.30
Chen-ChensHelpers-1.0.8 icon

This mod includes helpers that may aid other mod creators. Fully documented, so feel free to check it out.

Preferred version: 1.0.8
ThinkInvis-TILER2-4.0.4 icon

ThinkInvisible's Library of Extras for RoR2.

Preferred version: 4.0.4
ThinkInvis-ClassicItems-5.0.2 icon

Adds items from Risk of Rain 1 which didn't make the cut.

Preferred version: 5.0.2


License: GPL v3
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Maintenance Status

Chen's Classic Items


An extension mod for ThinkInvis.ClassicItems!

This mod also adds items (and artifacts) from Risk of Rain 1 that did not make it to Risk of Rain 2.

For this mod's API, the documentation can be found in the wiki.


Use r2modman mod manager to install this mod.

If one does not want to use a mod manager, then get the DLL from Thunderstore.

Current Additions


  • Distortion : Lock a random skill per interval. Both active and passive skills can be locked.
  • Origin : Summon the Imp Army to destroy you. Imp Overlords will drop a Pearl or Irradiant Pearl once defeated.
  • Spirit : Characters (both players and enemies) run faster at lower health.


  • Drone Repair Kit : Heals all drones you own as well as applying a regeneration buff.
  • Instant Minefield : Drop mines that are quickly fully armed upon landing.


  • Mortar Tube : Launch a mortar. Classic.


  • Arms Race : All drones you own will launch a missile or a mortar, or both.
  • Dead Man's Foot : Throw a mine upon taking serious damage that inflicts poison upon exploding.
  • Panic Mines : Throw a mine upon taking serious damage that inflicts damage.


  • AtG Missile Mk. 2 : AtG Missile Mk. 1 but better.
  • Thallium : Chance to inflict poison on enemies based on their own damage.


More Information

Check out the original ClassicItems made by ThinkInvisible.
- Thunderstore:
- GitHub:

Kirbsuke#0352 made the Artifact of Spirit icon.
- Contact: or through Discord.

manaboi#4887 made the Artifact of Origin icon. Artifact of Distortion icon's basis was from them and was improvised.
- Contact: Through Discord.

Aromatic Sunday#2929 did offer to make icons, and thus included as an alternate version.


- Improve namespaces on the project so that the code is readable, and follows best practices.
- Major changes in API due to namespace change. Refer to the code documentation for the new one.
- Add a config option for determining batch spawning for Artifact of Origin.

- Integrate Queue Processors from ChensHelpers.
- Also improve on the implementation for Origin Imp spawning so that it has less processes.

- Integrate the change from ChensHelpers so that Drone Repair Kit will allow Equipment Drones to heal allied drones under the same owner.

- Include the XML into the packaging of the mod.
- Small non-required update for ChensHelpers.

- Add a config option about the Imp Vanguard's Spawn position. It now defaults to spawn like the Imp Soldiers.
- Refactor the Spawn Queue of the Imps spawned by the Artifact of Origin.
- Integrate newer helpers from ChensHelpers.

For the full changelog, check this wiki page.