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Sackpack Sackpack 1.0.0-alpha.17

Check the game version, loader and dependencies below, then grab this exact release.

Modrinth release

Sackpack 1.0.0-alpha.17

Game
1.21.1
Loader
NeoForge
Published
15 Oct 2026
Channel
alpha
Downloads
8

Where this file goes

Keep this pack release together.

Install it as its own instance with the game version and loader above. The source has not labelled a separate server ZIP in the data we receive, so only use one when the creator lists it for this exact release.

Dependencies for this release

What else does it need?

No required project dependencies are listed for this release.

From the release

What changed?

• the server now kicks anyone idle for an hour • if the game crashes, a window lets you upload the logs in one click to share them • players and moving parts on airships stop flickering or freezing out of view (entity culling settings reset once) • smoother fps around big create builds and heavy particles • fixes a create crash when some contraptions collide • advancements for picking up items no longer get missed • updated etf • added crash assistant, create collision crashfix, create: nowheel, and particle core • updated options.txt • updated config