ModsFinder

Handoff Relay

by Kingra007

Handoff Relay is a Fabric challenge mod in which a Minecraft world is passed from one participant to the next under a timer, keeping progress, inventory and timer state intact.

FabricClient and serverAll rights reserved1.21.11

What it does

Each session runs on a fixed clock. When the timer ends, the world file is handed to the next participant, who resumes with the same progression, timer state and inventory. The mod is built for serialised play in which turns follow one another and fairness depends on each player getting the same world state.

The mod works in two setups: singleplayer workflows where the world is moved between sessions by hand, and hosted workflows on a dedicated Fabric server. Reconnecting continues the running timer rather than restarting it, and a player whose time has expired is blocked from rejoining. Player inventory, armour and offhand slots carry over between turns.

Handoff Relay requires Fabric API and runs on client and server, so both the server and every player need it. Files are published for Fabric only, for 1.21.11, with 1.0.2 as the latest build on the beta channel. The mod is released under All rights reserved and is not open source. Public links exist for the source code, issue tracker and wiki.

Key features

  1. Timed handoff sessions

    A timer governs each turn, and the world passes to the next participant when it runs out.

  2. Timer continuation on reconnect

    Rejoining resumes the running timer, so disconnecting does not extend a turn.

  3. Expiry enforcement

    Players whose time has expired cannot reconnect until the next handoff takes place.

  4. Inventory and equipment persistence

    Main inventory, armour and offhand items are saved with the world and restored on the next turn.

Compatibility

Latest build for each game version and loader.

1.21.111.0.2
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Serialised challenge runs

Groups can play one world in turns, each player picking it up where the previous one stopped.

Dedicated server rotations

A Fabric server can host a rotating schedule of timed sessions for its players.

Who it’s for: Server owners and small groups who want timed, turn-based play on a shared world. Players who prefer continuous, unrestricted survival will find the turn limits a poor fit.

Questions

Does Handoff Relay need Fabric API?

Yes. Fabric API is a required dependency and must be installed alongside the mod.

Do players need the mod on a server?

Yes. The server and every player need the mod installed.

Does a player who disconnects get extra time?

No. Reconnecting continues the running timer, and a player whose time has expired cannot rejoin until the next handoff.

Which game version is supported?

The mod has Fabric files for 1.21.11 only, with 1.0.2 as the latest file on the beta channel.

In the catalog

Handoff Relay is one of 5,392 Social mods on ModsFinder, and one of 4,084 Social mods for Fabric. 19,862 mods support Minecraft 1.21.11.

Social mods5,392Fabric modsMods for 1.21.1119,862

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What the author says

Handoff Relay is a Minecraft Fabric mod designed for timed, serialised gameplay handoff challenges. The mod allows a Minecraft world to be passed between players while preserving player progression, timer state, inventory state, and world continuity between sessions.
Kingra007, on the Modrinth page

Official listing

Owner
Kingra007
Published
2026-05-11
Updated on Modrinth
2026-06-18
Facts verified
2026-10-15

Tags

AdventureSocialUtilityGame mechanics
Open on ModrinthCompare