Minecraft 22w13oneblockatatime

SnapshotLegacy 1.xApril Fools

Minecraft 22w13oneblockatatime is a Java Edition snapshot released on 1 Apr 2022 under the classic 1.x numbering. Mojang lists Java 17 as the required runtime. It speaks network protocol 1073741901. It was released as an April Fools joke and was never part of the main development line.

Released: 1 Apr 2022
Requires Java: Java 17+
Protocol version: 1073741901
Data version: 3076
Version group: april-fools
Numbering: Legacy (1.x)
Position: #625 of 920

Official downloads

Served by Mojang. Verify the checksum before running anything.

File	Size	SHA-1	Download
Server jar	44.5 MB	`5f48eea55c7f…`	piston-data.mojang.com ↗
Client jar	19.6 MB	`6548ac25265c…`	piston-data.mojang.com ↗

The catalogue on 22w13oneblockatatime

Projects that name 22w13oneblockatatime in their own release metadata. Follow any of these to the full filtered list.

Mod loaders

Support declared in each loader's own metadata.

Quilt Loader0.31.0-beta.4declaredsupported
Fabric Loader0.20.1declaredsupported

Everything in april-fools

9 versions in this group.

Filter list

Version	Type	Protocol	Released
26w14a	Snapshot	1073742129	1 Apr 2026
25w14craftmine	Snapshot	1073742068	1 Apr 2025
24w14potato	Snapshot	1073742007	1 Apr 2024
23w13a_or_b	Snapshot	Unknown	1 Apr 2023
22w13oneblockatatime	Snapshot	1073741901	1 Apr 2022
20w14infinite	Snapshot	709	1 Apr 2020
3D Shareware v1.34	Snapshot	Unknown	1 Apr 2019
1.RV-Pre1	Pre-release	Unknown	31 Mar 2016
15w14a	Snapshot	48	1 Apr 2015

Questions about Minecraft 22w13oneblockatatime

What Java version does Minecraft 22w13oneblockatatime require?

Minecraft 22w13oneblockatatime requires Java 17 or newer. Mojang publishes this in the version metadata, and an older runtime refuses to start it.

What protocol version does Minecraft 22w13oneblockatatime use?

Minecraft 22w13oneblockatatime speaks protocol 1073741901. A client and a server can only connect when their protocol numbers match.

Where do I download the Minecraft 22w13oneblockatatime server jar?

Mojang hosts it directly. This page links to the official file with its SHA-1 checksum and size, so you can verify the download before you run it. We do not mirror or repackage it.

Go deeper

Full compatibility for 22w13oneblockatatimeServer software, loaders and the Java requirement in one place Java 17 downloadsVerified Temurin builds for Windows, macOS and Linux Everything in april-foolsSnapshots, pre-releases and candidates in this group How Minecraft version numbers workWhy 1.21 was followed by 26.1, and what happened to 1.22

Metadata from Mojang’s official version manifest. Protocol and data versions from the PrismarineJS minecraft-data project.

Is this information wrong or missing something? .