Deck Simulator for Decked Out 2

Simulates your deck creations inside Decked Out 2. Compatible with expanded features created by Garibaldi's team of developers.

45 Downloads

fabricutility

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Screenshots

About this Mod

Fabric Minecraft mod for 1.21-1.21.8 (Requires Fabric API)

This minecraft mod is to be used with TangoTek's creation of Decked Out 2. It also supports the expanded features offered by Garibaldi's team of developers here.

How to use this mod?

By pressing default hotkey "H", you load the deck simulation UI. From here you can load in a shulker box deck of cards and run simulations of dungeon gameplay. Results are given for total loot generated, clank block and hazard block generated etc. The settings UI provides options for run type, target level, card stats and more.

Available Versions

Deck Simulator for Decked Out 2 1.1.1+1.21release

MC 1.21, 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8fabric

February 16, 2026

How to Install Deck Simulator for Decked Out 2 on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.8).

Install Mod

Open the mod browser in the dashboard and search for "Deck Simulator for Decked Out 2". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.8, 1.21.7, 1.21.6 (+6 more)

Server-side

✗ Unsupported

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Deck Simulator for Decked Out 2 server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.8). You can switch loaders with one click in the panel.

Is Deck Simulator for Decked Out 2 compatible with fabric?

Deck Simulator for Decked Out 2 officially supports fabric for Minecraft 1.21.8, 1.21.7, 1.21.6. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Deck Simulator for Decked Out 2 – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Deck Simulator for Decked Out 2 consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.