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Create: Flashback

Create mod compatibility for Flashback running on NeoForge via Sinytra Connector

NeoForge
Loaders
NeoForge
Downloads on Modrinth
11K
Followers on Modrinth
5
versions
3
Updated
August 23, 2026Aug 23
Published
in 2026
Create machines — Create machines · swipe

At a glance

Runs on NeoForge
For Minecraft 1.21.1
Client only — no need to install it on the server
Latest version — 1.0.3 from August 23, 2026
License MIT — free
Where it's needed
In gamerequiredOn servernot needed

Install in the game only; not needed on the server

Game versions1.21.1

Create: Flashback

Since various bugs have been fixed in this project, I recommend using it instead: Flashback neoforge fixed

If something isn't captured properly in the recording, please rewind it.

Create machine

A mod that lets you properly record and replay Create's machines (spinning blocks, trains, etc.) with Flashback.

Create machines are sent to the client in a different way than normal mods, so without this mod they show up empty or vanish during replay. This mod fixes that.

Create: Aeronautics Flashback helps you record Create: Aeronautics (Sable) sub-level machines.

Recommend introducing Fix Flashback to fix the bug.

Installation

  • Install NeoForge 1.21.1 and Sinytra Connector.
  • Install Flashback (download the Fabric 1.21.1 version).
  • Put `create_flashback-.jarinto yourmods` folder.
  • If you use Create: Aeronautics, also install create_aeronautics_flashback.
  • That's it — just record with Flashback as usual.

Requirements

  • Minecraft 1.21.1
  • NeoForge 21.1.x
  • Flashback 0.30+ (via Sinytra Connector)
  • Create 6.0+
  • Sinytra Connector (needed to run Fabric mods like Flashback on NeoForge)

Notes

  • This is a client-side mod. It works without being installed on the server. Installing it on the server is also fine.
  • Not compatible with ReplayMod. Having both may break recording. Use Flashback instead.
  • Not compatible with ServerCoreMod. It may cause rendering to break.
  • To record Create: Aeronautics (Sable) sub-level machines, you also need Create: Aeronautics Flashback.

Known incompatible mods

The following mods interfere with Flashback's replay features. If you install them, the corresponding feature stops working. Remove or disable them to use that feature:

ModFeature broken
BadOptimizationsNight vision is no longer applied during replays
Create: Steam 'n' RailsSpectator camera stops working
Smooth MovementTime override stops working

These only affect Flashback's replay features; the rest of the mods work normally.

How it works

  • Create contraptions (spinning / moving machines) are sent via a special advanced_add_entity payload. This mod includes that data in Flashback's replay snapshot.
  • Even when you seek (jump to a different point) during playback, the machines are rebuilt from the snapshot, so they display correctly no matter where you start.
  • Also supports Sable sub-levels (Create: Aeronautics) when used together with Create: Aeronautics Flashback.

License

MIT © tatuto-riku

Since this mod is currently under development, it may not work correctly.

FAQ

How to install Create: Flashback?

Install NeoForge for your Minecraft version, download Create: Flashback for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Create: Flashback support?

Create: Flashback has builds for Minecraft 1.21.1.

Is Create: Flashback needed on the server?

Client only — no need to install it on the server

License and source
MIT Licensefree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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