
Def 4.2 - Krunks Place
The leading optimization and QoL modpack for Krunk’s Place SMP
About this Modpack

Def 4.1 Krunks Place Leading Optimisation & Qol Modpack
Equipped with better vanilla textures, small UI tweaks, optimization tweaks, better window options, and more!
This modpack is designed to deliver the best optimisation experience for the Krunk’s Place SMP server. While it was created specifically for use on the Krunk’s Place SMP, it can also be used on other servers.
This is the Windows Edition of the modpack, a edition for MacOS on Intel or Silicon systems will be coming soon.
If you find any issues, feel free to ask for support by reaching out to me on Discord and i'll try to help out! Also join if you have any feedback you want to share - all is welcome.)

How does it run so well? I have Simply Optimized to thank for that, Simply Optimized in my opionion is the BEST Optimized modpack for minecraft, which is why I decided to use it as a base for this modpack, please go show HyperSoop some support, what he/she has done as far as optimization goes is increadable.

QoL Mods:
- 3D Skin Layers by tr7zw Allows compatible skins to include 3D layers
- Accurate Block Placement Reborn by Schwar & Kaddicus Impoves apon vanilla block placement
- Auth Me by Axieum Allows users to Authenticate themselves and re-validate their sessions
- AutoRelog by Scubakay Automatically reconnect to a restarting server while AFK!
- Better Statistics Screen by TheCSDev Improves the statistics screen
- Continuity by PepperCode1 Allows for efficient connected textures
- Controlling by jaredlll08 Adds a search bar to the Key-Bindings menu
- Jade by Snownee Shows information about what you are looking at
- Litematica by Masa A client-side schematic mod
- Mica by LemonCaramel A window management tool for minecraft
- No Chat Reports by Aizistral & Robotkoer Makes chat unreportable (where possible)
- Reese's Sodium Options by FlashyReese Alternative Options Menu for Sodium
- Searchables by Jaredlll08 Helper methods that allow for searching and filtering elements
- Pick Up Notifier
- FancyMenu by Keksuccino Custom Minecraft menus!
Optimisation Mods:
- BadOptimizations by thosea Low-impact miscellaneous optimizations
- Concurrent Chunk Management by ishland & duplexsystem Designed to improve the chunk performance
- Entity Culling by tr7zw, Pelotrio & vicisacat uses async path-tracing to hide Block-/Entities that are not visible
- FerriteCore by malte0811 Memory usage optimizations
- ImmediatelyFast by RaphiMC Speeds up immediate mode rendering
- Lithium by Jellysquid3 No-compromises game logic optimization mod
- ModernFix All-in-one mod that improves performance
- More Culling by FX & 1Foxy2 Changes how multiple types of culling are handled in order to improve performance
- Noisium by Steveplays Optimises worldgen performance for a better gameplay
- Sodium by Caffeinemc The fastest and most compatible rendering optimization mod
- ThreadTweak by getchoo & devin Improve and tweak Minecraft thread scheduling
- Very Many Players by ishland Designed to improve server performance at high playercounts
Dependencies / Libraries:
- Night Config by TheElectronWill Powerful java configuration library for toml and in-memory configurations. Licence
- Cloth Config API by Shedaniel Configuration Library for Minecraft Mods
- Fabric API by Modmuss50 & sfPlayer1 Lightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain
- Forge Config API Port by Fuzs
- MaLiLib Masa & sakura-ryoko
- Puzzles Lib by Fuzs light-weight library consisting of multiple frameworks and utility classes.
- TCDCommons API by TheCSDev TheCSDev's personal library mod

Shader Packs:
- Complementary Shaders [Reimagined] [Unbound] by EminGT
- Rethinking Voxels by gri573
Resource packs:
Available Versions
How to Set Up a Def 4.2 - Krunks Place Server
Order Server
Choose at least 4 GB RAM (6 GB recommended for Def 4.2 - Krunks Place). Based on player count: per 8 players.
Install Modpack in Dashboard
Open the modpack browser in the dashboard, search for "Def 4.2 - Krunks Place" and click "Install". The fabric loader and Minecraft 1.21.4 are configured automatically.
Start Server & Play
Start the server – all mods are loaded automatically. Share the server IP with friends and play together!
Frequently Asked Questions
Def 4.2 - Krunks Place server crashes or won't start – what to do?
Most common causes: insufficient RAM or wrong fabric loader. Check latest.log for "OutOfMemoryError" → increase RAM to at least 6 GB. For "Mixin" or "ClassNotFoundException" errors: modpack version and loader don't match. With Mado Hosting, loader and Minecraft version are auto-configured on modpack install – preventing most startup issues.
How much RAM does a Def 4.2 - Krunks Place server really need?
Minimum 4 GB, recommended 6 GB for stable performance. per 8 players. Important: Minecraft modpacks need more RAM than vanilla – plan extra per additional player. With Mado Hosting, you can scale RAM up live at any time without data loss (from €8/month).
Can I add custom mods to Def 4.2 - Krunks Place without conflicts?
Yes, but check compatibility: only use mods for the same loader (fabric) and same Minecraft version (1.21.4). Common issues: ID conflicts with recipe mods and incompatible coremod versions. The Mado dashboard mod browser only shows compatible mods and warns about known conflicts.
Def 4.2 - Krunks Place server lagging – performance tips
1) Increase RAM to 6 GB+. 2) Reduce server view-distance to 8 (server.properties). 3) Pre-generate chunks with the "Chunky" plugin. 4) Use /spark profiler to check which mods consume the most tick time. With Mado Hosting, all servers run on NVMe SSDs with dedicated CPU cores – eliminating hardware as a bottleneck.
Similar Modpacks
Rent Def 4.2 - Krunks Place Server
Start your own server with automatic modpack installation.
Details
- License
- BSD 3-Clause "New" or "Revised" License
- Server-side
- Unsupported
- Client-side
- Required
Supported Versions
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