CurseForge · Minecraft mod
Sped Up Mobs
Adds 3 new gamerules that lets you make mobs faster!
Quick answer
Which Sped Up Mobs release should I use?
Sped Up Mobs sped_up_mobs-neoforge-1.0.0-1.21.1.jar targets 1.21.1 with NeoForge. 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 Sped Up Mobs 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 Sped Up Mobs sped_up_mobs-neoforge-1.0.0-1.21.1.jar need?
sped_up_mobs-neoforge-1.0.0-1.21.1.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 Sped Up Mobs without breaking your instance.
Built for Sped Up Mobs sped_up_mobs-neoforge-1.0.0-1.21.1.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use sped_up_mobs-neoforge-1.0.0-1.21.1.jar. It targets 1.21.1 with NeoForge; 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 sped_up_mobs-neoforge-1.0.0-1.21.1.jar. It opens that exact file at the source.
About this project
What does Sped Up Mobs add?
This mod adds 3 new gamerules, all have a minimum value of 1 and a maximum of 100
Mob AI Tick Speed (mobAItickRateMultiplier)
-This gamerule speeds up the tick rate of mob AI

(Here, this skeleton's attack cooldown is halved due to its AI ticking twice as fast)
Mob Movement Speed Multiplier (mobMoveSpeedMultiplier)
-This gamerule speeds up mob movement speed in general

(Here, this zombie is moving twice as fast)
Mob Action Speed Multiplier (mobActionSpeedMultiplier)
-This gamerule speeds up mob actions such as using items and attacking

(Here, this creeper exploded twice as fast)

(Here, this pillager charges its crossbow twice as fast)
Project description from CurseForge.
Pick your setup
Sped Up Mobs by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.6
2 loader builds1.20.5
2 loader builds1.20.4
2 loader builds1.20.3
2 loader builds1.20.2
2 loader builds1.20.1
2 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Sped Up Mobs versions and loaders
sped_up_mobs-neoforge-1.0.0-1.21.1.jar
9 Nov 2026
sped_up_mobs-fabric-1.0.0-1.21.1.jar
9 Nov 2026
sped_up_mobs-forge-1.1.0-1.20.1.jar
sped_up_mobs-forge-1.1.0.jar
9 Nov 2026
sped_up_mobs-fabric-1.1.0-1.20.1.jar
sped_up_mobs-fabric-1.1.0.jar
9 Nov 2026
sped-up-mobs-1.0.0-1.20.1.jar
26 May 2025
Looking for an older file? The official CurseForge project page is in Resources.