
Welcome to Simply OneBlock !
What is it ?
Simply OneBlock is a datapack that changes the generation of your world to make you spawn on a single regenerative block. As you break the block you'll progress through 21 different phases allowing you to discover new biomes transforming the regenerative block and it's surrounding environement. Every phase will give you the opportunity to mine different blocks, get different loots, see different mobs and face different challenges.

How do I install it ?
It's very simple, it works like any other data packs, if you're not familiar with those just follow the steps:
- Download the .zip file
- As you create a new world in minecraft click on the top right tab "More"
- Click on "Data Packs"
- Click on the bottom left button "Open Pack Folder"
- Put the zipped file in that folder
- The pack should now appear in the "Available" list, click on the logo to put it in the "Selected" list
- Click on "Done"
- Click on create new world
- Select "Yes" on the warning screen
- Break the block !
How do I update it ?
It's very simple, just delete the old pack and replace it with the new one in your world's data_pack folder. None of your progress will be lost, but just in case, it's recommended to backup your world before updating!
Note for 26.2 players
You can update from 1.2.x version of the datapack/mod to 1.3.x version, but you can't revert back from 1.3.x to 1.2.x version, proceed with caution!
I think I've encountered a bug / I have a question about the pack
You can contact me here: Discord
Ченджлог
1.3.0Релиз26.2 · 15 июня 2026 г.
Additions :
• Added new phase
◦ Sulfur Caves
• Added new blocks
◦ Sulfur
◦ Potent sulfur
◦ Cinnabar
• Added new mob
◦ Sulfur Cubes
• Added new loot
◦ Sulfur spike
◦ Bucket of sulfur cube
◦ Music disc “bounce”
Changes :
• Added a new portal in phase_20
Technical :
• Modified entity type in files to match the new syntax
• Modified end advancement to match the new syntax
• Added auto update mechanic to allow progress continuity between 1.2.x and 1.3.x
1.2.5Релиз1.21.5 · 7 июня 2026 г.
Technical :
• Fixed hardcore players respawning in survival mod after death instead of spectator
1.2.4Релиз1.21.5 · 9 мая 2026 г.
Technical :
• Fixed bedrock block staying in place in the overworld if the dimension wasn’t loaded when the after_phase sequence was first initiated
1.2.3Релиз1.21.5 · 8 мая 2026 г.
Technical :
• Removed a condition in tick function that prevented the after_phase to initiate properly when the overworld dimension wasn’t loaded
Mechanics :
• Added a mechanic to teleport dropped keys in phase_15 in front of the first gate
• Added a mechanic to prevent keys from despawning in phase_15 dimension
1.2.2Релиз1.21.5 · 26 апреля 2026 г.
Additions :
• Added trial for magma cubes
• Added trial for slime
• Added magma cube trophy
• Added slime trophy
Changes :
• Remodeled Dungeon phase_7
◦ Added basalt deltas trial
◦ Filled the space under the fortress with solid blocks to avoid blaze spawn under the structure
◦ Raised the bottom of the lava lake
◦ Removed a tripwire next to a lava fall in front of the nether fortress
◦ Reduced the spawn range of blaze in trial
• Remodeled Dungeon phase_10
◦ Added a new trial
Mechanics :
• Renewable Wither arena key
1.2.1Релиз1.21.5 · 17 апреля 2026 г.
Changes :
• Modified the first block of phases 2 to 19 to prevent player falling out of the world after teleporting back from a portal
1.2.0Релиз26.1, 26.1.1, 26.1.2 · 6 апреля 2026 г.
Technicals :
• Added sound variant for cows/pigs/chickens spawned by the block
• Modified “can_spawn_from_bone_meal” minecraft tag to include the OneBlock custom configured features
1.2.0Релиз1.21.5 · 24 марта 2026 г.
Corrections :
• Corrected block not spawning mobs in after_phase_22
• Corrected block not spawning all horses types in phase_18
• Corrected ghost teleportation bug
• Corrected block not setting chests as regularly in after_phase
• Removed environment attribute monsters_burn
• Added underwater music in phase_8 for Minecraft 1.21.11
• Modified the silverfish trophy
• Corrected final_phase_10 teleportation in after_phase
Mechanics :
• Added update mechanic to remove items after final phases updates
• Added a new separate dimension accessible from the final_phase_7 dimension
• Mobs burning in the light no longer take fire damage when spawned by the block
• New dungeon mechanic in final_phase_7
• New dungeon mechanic in final_phase_8
• Added a mechanic to collect floating items in final_phase_8
• Added new trial spawner in phase_final_15
Technicals :
• Cleaned all biome files
• Cleaned loot tables
• Updated all structures files
• Added ominous trophy
• Global code optimization
• Modification of all final phases functions
• Modification of teleportation coordinates
• Added renewable “heart of the sea” in chests
• Added gilded_blackstone in phase 7.2
• Separated chests commands from general command in after_phase
• Modified dimension phase_final_6
• Modified dimension phase_final_7
• Modified dimension phase_final_8
• Modified dimension phase_final_15
• Suppression of swiftness potion in phase_final_15 chests
• Added golden_pickaxe in final_phase_19
• Deleted ender_chest in final_phase_19
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