Chen-ChensClassicItems icon


More config options, bug fixes, and a few optimizations. Read changelog for more details. Icons are temporary. Feel free to improve them! This mod is based from ThinkInvis.ClassicItems. Add missing classic items from Risk of Rain 1.

Last updated an hour ago
Total downloads 23079
Total rating 6 
Dependency string Chen-ChensClassicItems-2.2.2
Dependants 12 other mods depend on this mod

This mod requires the following mods to function

ThinkInvis-ClassicItems-4.6.4 icon

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

Preferred version: 4.6.4

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.


Use r2modman mod manager to install this mod.

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.

Tier 1

  • Mortar Tube : Launch a mortar. Classic.

Tier 2

  • 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.

Tier 3

  • 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.

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


- Allow Imp Overlords spawned from Artifact of origin to drop a Pearl or Irradiant Pearl.
- Fix the Imps from Origin of a bug that apparently gives them an Equipment.
- Fix Dead Man's Foot explosion by actually adding an explosion effect.
- Add more config options for Artifact of Origin.
- Add a config for Panic Mines to let it self-destruct when the owner is gone.
- Reduced the default values for the config as they are too powerful.
- Update dependency to use the latest ClassicItems.

- Fix a bug with the Aritfact of Origin failing to parse bad items.

- Implement Artifact of Origin!
- Temporary icons for the new artifact.
- Vastly improve the code for Distortion mechanics.
- Change usage of TILER2 Helpers so that the cards will have proper text.

- Implement Artifact of Distortion!
- Temporary icons for the new artifact.
- Include alternate icons for Spirit artifact made by other people.

- Update the mod for a missing setup that prevents it from working correctly.

- Migrate the code to support new changes of TILER2.

- Fix bright mines bug. Replace Color with Color32.
- Update Artifact of Spirit icon.

- Fix bugs found with the Artifact of Spirit about misbhaving characters, like zooming off the map.
- Let Artifact of Spirit modify acceleration also to mitigate for their own new speed.

- Implement Artifact of Spirit!
- Temporary icon for Spirit artifact for now.
- Recolor the mines for an easier time differentiating which ones are which.

- Support Squid Polyps for use with Arms Race. Configurable.
- Squid Polyps are turned off by default, so turn it on in config if you want to buff them.

- Fix and improve some descriptions.
- Fix the actual version of the mod.
- Improve the code base and optimize some implementations.
- Add a short lore to Drone Repair Kit.

- Implement Thallium!
- Add BetterUI Compats for more descriptions regarding the skills for survivors.
- Update references for dependencies.

- Remove Gradius' Option. It is now included in a separate mod.

- Implement Drone Repair Kit!
- Remove the the sync logging as it apparently caused heavy lag.
- Add a config setting where the Options of Flame Drones will have reduced quality of effects to lessen the stress of processing and syncing.
- Add lore for Instant Minefield.
- Slight adjustments for config options in regards with TILER2 for correctness.

- Add logbook entry for Arms Race.
- Fix a terrible sync bug due to error in the modder's part.
- Nerfed base stats of Arms Race because it was too powerful. It is still configurable.

- Implement Arms Race!

- Change implementation of syncing Options and related effects due to reports of FPS drops.

- Implement Mortar Tube!
- Add more ItemStats details for all items.
- Allow Turrets to always update their position.

- Add a condition where the host is required to wait for all clients to be ready before sending the sync commands. This ensures that all clients will be synced.
- Remove a bunch of logs that are otherwise useless. Retained only some that may still cause bugs to help in bug reports.
- Improve code.

- Fix the Drones with Options hard crashing the game when entering bazaar.
- Fix the Options being duplicated when the player is revived in a stage by any means.
- Fix Multiplayer desync issues regarding the Option Spawning upon item pickup of Gradius' Option.
- Implement a queueing system for syncing to lessen desync and lessen bandwidth usage.
- Improve the code by letting linear behavior into client sided execution to lessen bandwidth usage.
- Allow destruction of Options upon losing the owner.
- Fix the flamethrower effect of Options to sync in multiplayer.
- Add a config for sync time to allow Options to behave properly in Multiplayer at the cost of delay through the queueing system.

- Fix some random exceptions found in mines related to animations.
- Add lore and better description for Gradius' Option.
- Allow Instant Minefield mines to only explode when landing.

- Implement Gradius' Option!
- Update mod icon to highlight the new item.

- Fix buff icon of Dead Man's Foot.
- Fix the exceptions being raised on Dead Man's Foot detonation.

- Add Beating Embryo support for Instant Minefield.

- Implement Instant Minefield!
- It's filled with mines nowadays.

- Implement Dead Man's Foot!
- Improve and clean code.

- Fix the items' icons added by ChensClassicItems because they display as white in the Command Menu.

- Removed DEBUG mode. Woops. My bad.

- Implement Panic Mines!
- Fix grammar errors found on AtG Missile Mk. 2.
- Attach the mod to the original ClassicItems even closer.

- Initial version. Adds the AtG Missile Mk. 2 item. Configurable.

Available versions

Please note that the install buttons only work if you have compatible client software installed. Otherwise use the zip download links instead.

Upload date Version number Downloads Download link  
2020-10-25 2.2.2 59 Install
2020-10-22 2.2.1 1546 Install
2020-10-22 2.2.0 72 Install
2020-10-20 2.1.0 1399 Install
2020-10-20 2.0.1 137 Install
2020-10-19 2.0.0 371 Install
2020-10-18 1.4.5 1414 Install
2020-10-17 1.4.4 558 Install
2020-10-17 1.4.3 147 Install
2020-10-16 1.4.2 968 Install
2020-10-13 1.4.1 1913 Install
2020-10-10 1.4.0 1582 Install
2020-10-9 1.3.1 1389 Install
2020-10-7 1.3.0 1307 Install
2020-10-6 1.2.1 740 Install
2020-10-6 1.2.0 242 Install
2020-10-6 1.1.1 114 Install
2020-10-6 1.1.0 130 Install
2020-10-5 1.0.3 624 Install
2020-10-4 1.0.2 717 Install
2020-10-2 1.0.1 1084 Install
2020-10-2 1.0.0 64 Install
2020-9-28 0.2.2 1697 Install
2020-9-25 0.2.1 1667 Install
2020-9-25 0.2.0 115 Install
2020-9-24 0.1.0 743 Install
2020-9-23 0.0.4 747 Install
2020-9-22 0.0.3 645 Install
2020-9-22 0.0.2 33 Install
2020-9-21 0.0.1 855 Install