CurseForge · Minecraft mod
CaseOpener
Mod adding case system like counter strike and casino elements
Quick answer
Which CaseOpener release should I use?
caseopener-1.2.0.jar targets 1.21.11 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is CaseOpener required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does caseopener-1.2.0.jar need?
caseopener-1.2.0.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add CaseOpener without breaking your instance.
Built for caseopener-1.2.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use caseopener-1.2.0.jar. It targets 1.21.11 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside caseopener-1.2.0.jar. It opens that exact file at the source.
About this project
What does CaseOpener add?
**[Creators: DureXXX]
!!WARN mod have flashinglights!!
Key for open mod menu : 0 in keyboard
[WT Mod adding?]
Features for speedrun
CaseSimulator
Rocket for money
Shop and Sell
Achievements
Wheel of Fortune
Gacha
Mod have 27 cases more next upd


Discord Updates Leak etc: DERCODE**
Project description from CurseForge.
Pick your setup
CaseOpener by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
CaseOpener versions and loaders
caseopener-1.2.0.jar
6 Oct 2026
caseopener-1.1.0.jar
2 Oct 2026
caseopener-1.0.0.jar
23 Sept 2026
Looking for an older file? The official CurseForge project page is in Resources.