
Modrinth · Minecraft mod
Expression: Core
Expression adds hrt, decor, and new mechanics to the game!
Quick answer
Which Expression: Core release should I use?
Expression: Core 3.0.6 targets 1.21.1 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. All 1 required mods have matching files.
Where it goes
Is Expression: Core required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Expression: Core 3.0.6 need?
3.0.6. Change the file and its required mods may change too.
Install Female Gender Mod first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Expression: Core without breaking your instance.
Built for Expression: Core 3.0.6. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 3.0.6. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Female Gender Mod first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 3.0.6. It opens that exact file at the source.
About this project
What does Expression: Core add?

Requires CuriosAPI & Wildfire's Female Gender Mod
(If you prefer Accessories use this!)

Features
- Player Model Effects! (Uses Wildfire's Female Gender Mod)
- HRT (Estrogen, Testosterone, Progesterone, Spironolactone.)
- Patches, Pills, Gels, Injections, and Implants!
- Dosage GUI to check amount of hrt taken. (Raising dose count to 10+ makes you Euphoric!)
- New Potion Effects! (Soft Falling, Gender Affirming, Euphoric, and all HRT in potion form.)
- Flag Stripe Banner Patterns
- Dream Block, Dashing, and Music from Celeste
Project description from Modrinth.
Pick your setup
Expression: Core by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Expression: Core versions and loaders
3.0.6
expression_core-3.0.6-neoforge-1.21.1.jar
21 Aug 2026
3.0.5
reestrogen-3.0.5-neoforge-1.21.1.jar
8 Aug 2026
3.0.4
reestrogen-3.0.4-neoforge-1.21.1.jar
25 Jul 2026
3.0.3
reestrogen-3.0.3-neoforge-1.21.1.jar
25 Jul 2026
3.0.2
reestrogen-3.0.2-neoforge-1.21.1.jar
25 Jul 2026
3.0.1
reestrogen-3.0.1-neoforge-1.21.1.jar
10 Jul 2026
3.0
reestrogen-3.0-neoforge-1.21.1.jar
4 Jul 2026
2.13.1
reestrogen-2.13.1-neoforge-1.21.1.jar
17 Jun 2026
2.13
reestrogen-2.13-neoforge-1.21.1.jar
16 Jun 2026
2.12
reestrogen-2.12-neoforge-1.21.1.jar
10 Jun 2026
2.11
reestrogen-2.11-neoforge-1.21.1.jar
9 Jun 2026
2.10
reestrogen-2.10-neoforge-1.21.1.jar
8 Jun 2026
Looking for an older file? The official Modrinth project page is in Resources.