ModsJava
Creative Sandbox Dimension
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.



Creative Sandbox Dimension
Overview
A dedicated superflat creative dimension for survival players. Build, test redstone, or prototype structures without touching your progression. Your survival inventory, XP, effects, and Ender Chest are fully isolated and restored on exit.
Installation
- Server: Required.
- Client: Optional. Without the mod, players lose access to teleport keybinds. All other features work server-side.
Security & Anti-Exploit
Built to protect survival integrity:
- Full State Isolation – Inventory, Ender Chest, XP, health, hunger, and effects are snapshotted on entry and restored on exit.
- Restricted Actions – Sleeping, portal creation, and Ender Chest item transfer are blocked.
- No Food Consumption – Eating is disabled by default to prevent stat bypasses.
- Advancement Lock – Advancements are disabled inside the dimension.
- FTB Quests Lock – Quest progression and reward claims are blocked inside the sandbox.
- Item Blacklist – Server-configurable list of items that cannot be held or used.
Teleportation Methods
All methods are enabled by default and individually toggleable in config:
| Method | Details |
|---|---|
| Commands | /creative enter & /creative exit |
| Slime Portal | Build a frame from slime blocks and ignite it with flint and steel |
| Hotkeys | F9 to enter, F10 to exit (requires client mod) |

World Editing
- Layer Editor – Modify superflat layer composition in-game or via config.
- Admin Reset –
/creative resetwipes and regenerates the creative world (admin-only).
Configuration
- Always day & clear weather (on by default)
- Configurable world border
- Toggleable security rules, teleport methods, and environment locks
- Config location:
config/creative_dim/

Compatibility
- Works seamlessly with Curios API, Backpacked, FTB Quests, and other major inventory/mod frameworks.
- Designed for modpack and multiplayer server integration.
- Verify no unintended progression bypasses in your specific pack.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as creativesandbox-1.0.17.jar — drop this file into the mods folder
- Download size: 161 KB
- Download link checked 24 Oct 2026 — working
These come from our own check of the pack file, not from the source page.