Alsomebob's Missing Blocks
by Alsomebob9
Alsomebob's Missing Blocks is a NeoForge decoration mod that fills gaps in vanilla block families with new variants of existing materials, for builders who want more options.
What it does
The added blocks follow the vanilla art style and keep the existing crafting progression, so no recipe is replaced. Smooth Basalt, Polished Basalt, Dark Prismarine, Prismarine Bricks, Crying Obsidian, Bamboo Mosaic, Packed Mud and End Stone are added, along with Calcite slabs, stairs and walls, and storage blocks for coal, iron, gold, diamond, emerald, lapis, redstone, amethyst and netherite.
The mod also adds fence gates and pressure plates to the new block types. It targets 1.21.8 only, and the 1.0.0 file was published on 2026-06-28. The environment is client and server, so the server and every player need the mod, and it is released under All rights reserved, so it is not open source.
Key features
Missing block variants
Adds new variants to existing materials, such as polished and smooth stone types, prismarine and basalt forms.
Storage blocks for ores and gems
Places full storage blocks for coal, iron, gold, diamond, emerald, lapis, redstone, amethyst and netherite.
Calcite building pieces
Calcite gets slabs, stairs and walls, giving a complete set of shapes for building with the material.
Fence gates and pressure plates
New block types include fence gates and pressure plates, so the added blocks work in functional builds.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Finishing a build
Players can fill in matching shapes and surfaces so new structures blend with vanilla blocks.
Who it’s for: Builders and decorators on NeoForge servers and single-player worlds running 1.21.8, who want more block options without changing the feel of the game.
How it compares
Amethyst Revamped is server-side only and targets 1.21.4 – 1.21.8, so players join without installing it. Legend's Missing Blocks runs on Fabric and NeoForge for 1.21.1 – 1.21.8 under the MIT License. The Missing Blocks Mod is also MIT licensed and covers 1.21.1 – 1.21.4 on NeoForge, so it does not reach 1.21.8.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| Alsomebob's Missing Blocks | NeoForge | 1.21.8 | Client and server | 2026-06-28 |
| Amethyst Revamped | NeoForge | 1.21.4 – 1.21.8 | Server-side only | 2026-07-04 |
| Legend's Missing Blocks | Fabric and NeoForge | 1.21.1 – 1.21.8 | Client and server | 2026-02-18 |
| The Missing Blocks Mod | NeoForge | 1.21.1 – 1.21.4 | Client and server | 2025-03-13 |
Questions
Does Alsomebob's Missing Blocks need to be on the server?
Which loader does the mod support?
Does the mod change existing crafting recipes?
In the catalog
Alsomebob's Missing Blocks is one of 12,078 Decoration mods on ModsFinder, and one of 5,201 Decoration mods for NeoForge. 17,695 mods support Minecraft 1.21.8.
More from Alsomebob9
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What the author says
❓ Ever started building only to realize a block you're using doesn't have stairs, slabs, or walls? ✨ Alsomebob's Missing Blocks completes Minecraft's unfinished block families by adding the building blocks that feel like they should have been in vanilla from the beginning.
Official listing
- Modrinth page
- modrinth.com/mod/alsomebobs-missing-blocks
- Owner
- Alsomebob9
- Published
- 2026-06-28
- Updated on Modrinth
- 2026-06-28
- Facts verified
- 2026-10-15