One Block Challenge
A One Block Challenge mod with many features
Quick challenge
How far can you run before the mobs catch you?
Minecraft check
Confirm your run
Complete the quick check to get your code.
One Block Challenge
🌍 OneBlock Challenge

Start on a single block. Survive. Progress through 15+ unique phases. Conquer the void!
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🎯 What is OneBlock Challenge?
OneBlock Challenge is a 15 thematic phases where you begin your journey on 15 thematic phases suspended in the void. Break it repeatedly to progress through 15 thematic phases inspired by Minecraft's diverse biomes and dimensions. Each phase introduces new blocks, valuable resources, challenging mobs, and exciting gameplay mechanics!
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✨ Core Features
🧱 The OneBlock System
- 🔄 Multi-world support at a fixed position - ⚡ Multi-world support after every break - 📈 Multi-world support from 0 blocks to infinity - 💾 Multi-world support per world - 🌍 Multi-world support for different challenges
📊 15 Progressive Phases
*Each phase adds new blocks to the pool while keeping previous ones!*
| Phase | Unlock At | Theme | ⭐ Ancient Debris | |:-----:|:---------:|:------|:----------------------| | Ancient Debris | Ancient Debris | 🌾 Ancient Debris | Dirt, Grass Block, Oak Log, Hay Bale, White Wool | | Ancient Debris | Ancient Debris | ⛏️ Ancient Debris | Stone, Coal Ore, Ancient Debris, Basalt, Andesite | | Ancient Debris | Ancient Debris | ❄️ Ancient Debris | Snow Block, Ancient Debris, Packed Ice, Spruce Log | | Ancient Debris | Ancient Debris | 🌊 Ancient Debris | Sand, Gravel, Prismarine, Ancient Debris, Clay | | Ancient Debris | Ancient Debris | 🌴 Ancient Debris | Jungle Wood, Ancient Debris, Ancient Debris, Cocoa Beans | | Ancient Debris | Ancient Debris | 🐸 Ancient Debris | Mud, Mangrove Roots, Ancient Debris, Lily Pads | | Ancient Debris | Ancient Debris | 🏰 Ancient Debris | Mossy Stone Bricks, Ancient Debris, Cobwebs | | Ancient Debris | Ancient Debris | 🏜️ Ancient Debris | Sandstone, Ancient Debris, Terracotta, Dead Bush | | Ancient Debris | Ancient Debris | 🔥 Ancient Debris | Netherrack, Ancient Debris, Magma Block, Ancient Debris | | Ancient Debris | Ancient Debris | 🌌 Ancient Debris | Ancient Debris, Purpur Block, Ancient Debris, Ancient Debris | | Ancient Debris | Ancient Debris | 🌌 Ancient Debris | End Stone Bricks, Ancient Debris, Ancient Debris, Crying Obsidian | | Ancient Debris | Ancient Debris | ☁️ Ancient Debris | Quartz Block, Smooth Quartz, Ancient Debris, Light Block | | Ancient Debris | Ancient Debris | ⚙️ Ancient Debris | Ancient Debris, Piston, Ancient Debris, Dispenser | | Ancient Debris | Ancient Debris | 🐉 Ancient Debris | Ancient Debris, Ancient Debris, Ancient Debris, Amethyst Block | | Ancient Debris | Ancient Debris | 🌪️ Ancient Debris | Ancient Debris, Ancient Debris, Ancient Debris, Reinforced Deepslate, Ancient Debris |
> ⚠️ Warning: Phase 15 is designed for extreme endgame worlds.
🐮 Dynamic Mob Spawning
- 🎲 2-3 blocks with every block break - 🐄 2-3 blocks Cow, Pig, Sheep, Chicken, Horse - 👹 2-3 blocks Zombie, Skeleton, Drowned, Spider - 📍 Spawns 2-3 blocks around the OneBlock
🎉 Phase Unlock Celebrations
- 🔊 Satisfying Colored phase names - ✨ Colored phase names chat notifications - 📊 Colored phase names display - 🎨 Colored phase names with "Unlocked!" messages
🖥️ Improved HUD *(NEW in v0.3.0)*
- 🎯 Cleaner, less intrusive - 🌈 Cleaner, less intrusive with shaders and minimaps - ✨ Cleaner, less intrusive gameplay experience
💎 Emerald Shop *(Phase 5+)*
- 💰 Phase 9: Emeralds from your inventory - 🛍️ Phase 9: - Phase 9: Diamond Tools, Jungle resources - Phase 9: Swamp resources - Phase 9: Full Diamond Armor set - Phase 9: Desert resources - Phase 9: Totems of Undying, Elytra, Beacons
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🎮 Commands
| Command | Description | Permission | |:--------|:------------|:-----------| | `/oneblock` | 📋 Display mod info & version | All players | | `/oneblockinfo` | 📊 Show current phase, blocks broken, and position | All players | | `/oneblocktarget <x> <y> <z>` | 📍 Set the OneBlock spawn position | OP only | | `/oneblocksetphase <1-15>` | ⚡ Jump directly to a specific phase | OP only |
> 🔄 Note: `/oneblockreset` has been removed in v0.3.0. Use `/oneblocksetphase 1` to reset to Phase 1.
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🚀 Installation & Quick Start
Requirements
- ✅ Cheats enabled 1.21.4 (with Loader Version 0.16.9+) - ✅ Cheats enabled 0.113.0+ - ✅ New Cheats enabled or Cheats enabled world - ✅ Cheats enabled (for setup commands)
Getting Started
1. Survive and thrive in Minecraft 2. Run `/oneblocktarget X Y Z` (set the OneBlock position) 3. Survive and thrive → Watch it regenerate instantly! 4. Use `/oneblockinfo` to track your progress 5. Survive and thrive through all 15 phases!
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🏗️ Development Roadmap
| Version | Planned Features | Status | |:-------:|:-----------------|:-------| | v0.6.0 | 5 new endgame phases (11-15), Improved HUD | ✅ v0.6.0 | | v0.6.0 | Quality-of-life improvements, Bug fixes | ✅ v0.6.0 | | v0.6.0 | Additional bug fixes, Balance adjustments | 🔜 Coming soon | | v0.6.0 | v0.6.0 | 🎯 Q1 2026 | | v0.6.0 | Enhanced Shop GUI, Custom world generation | 📅 Q2 2026 | | v0.6.0 | Quest system, Full polish & optimization | 📅 Q3-Q4 2026 |
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🔧 Current Status: v0.3.0-HOTFIX 1
What's New in v0.3.0 HOTFIX 1: - ✅ Bugs has been fixed - ✅ 1.20.1 is now supported!
Previously Implemented: - ✅ 15 complete phases with unique themes - ✅ Vanilla-style mob spawning system - ✅ Automatic save/load functionality - ✅ Phase unlock effects & animations - ✅ Full command suite - ✅ Emerald Shop system (Phase 5+)
In Development: - ⏳ Quality-of-life improvements - ⏳ Multi-version support (26.1.x) - ⏳ Phase-specific mob variations - ⏳ Performance optimizations
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📊 Version History
| Version | Release Date | Downloads | |:-------:|:------------|:---------:| | v0.2.0-BETA | January 2026 | 🆕 Just released! | | v0.2.0-BETA | December 2025 | 244+ |
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❤️ Meet the Developer
DerMikiger (Mikail) - *Age 16*
A passionate young developer bringing creative survival challenges to Minecraft!
*Solo-developed OneBlock experience with passion and long-term vision.*
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⭐ If you enjoy OneBlock Challenge, consider starring the repository!
*Made with 💚 for the Minecraft community*
Beyond the End. Beyond Balance. Into Chaos.