About Tier Overflow Lib
From ficsit.appExtend the game by adding a scroller to the list of tiers. Allows modders to add new tiers beyond the default limit and unlock.
TierOverflowLib is a library mod for Satisfactory that extend the game by adding a scroller to the list of tiers. This allows modders to add new tiers beyond the default limit and unlock them via a method or a Blueprint node.
Features
- Scrollable Tier List: Adds a scroller to the tier list, allowing for an extended number of tiers.
- Dynamic Tier Addition: Enables adding new tiers beyond the default game limit.
- Unlock Mechanisms: Unlock new tiers using a method call or a Blueprint node.
Changelogs
- v1.0.2:
- Added 1.1 support
- v1.0.1:
- Fixed a miss click which made the game crash when loading the mod (empty subsystem field)
- Added a setting "AlwaysShowTierArrows" which always show the tier arrows, even if there is no new tier.
Usage (for modders)
First you need to clone this repository into the 'mods' folder of your modding UE project ('mods' is in the same folder as the .uproject file) Then run the project with Unreal Engine, rebuild TierOverflowLib if the prompt which asking it appears.
Adding New Tiers
To add a new tier to the game:
- Simply create a new schematic in your mod and put it the TechTier int of your choice.
- Add the schematic in your mod's GameWorldModule as on the modding docs.
Unlocking Tiers
Unlock new tiers using one of the following methods:
- Blueprint Node: Use the
ApplyMaxTierBlueprint node in your Unreal Engine Blueprints.
- Method Call: Use the
UTierOverflowLib_BPNodes::ApplyMaxTiermethod in your mod's code, fill it with an instance of the session's Phase Manager and Schematic Manager, then with an int for the tier you wish to unlock.
API Reference
Methods
ApplyMaxTier(AFGGamePhaseManager* phaseManager, AFGSchematicManager* schematicManager, int32 maxTierNumber, bool force): Unlock the wished tier.
Blueprint Nodes
ApplyMaxTier: Unlock the wished tier.
ApplyPhase: Apply a custom phase from a phase asset (can break the game progression).ApplyPhaseSimple: Apply a custom phase from a phase name and tier number (can break the game progression).ApplyVanillaPhaseFromIndex: Unlocks a vanilla phase from it's number.ApplyNextVanillaPhase: Unlocks the next vanilla phase.UnlockAllVanillaPhases: Unlocks all the vanilla phases.
Future Features
- Server Compatibility Testing: Ensure the mod works seamlessly in multiplayer environments.
- Console & Chat Commands: Introduce commands to interact with the mod features.
- Milestone Integration:
- Allow to unlock a tier from a schematic.
- Display the unlocked tiers graphically in the milestone rewards.
Feedback
For bug reports and requests/suggestions you can find me (acxd25) on the Ficsit Labs Discord.
Note: HolographicWings no longer maintains the library, please do not ping him.
Sponsorship

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Thanks
- Coffee Stain Studios
- Mircea, Robb and co., which made this mod possible
- HolographicWings for his original idea and initial code development
Highlights
From source dataGame versions
Built for Satisfactory >=416835.
Footprint
Rated a light load on a server.
Dependencies
Needs 1 other project installed alongside it.
Tier Overflow Lib on Nxeon
From our catalogue- One-click install
- Supported on Nxeon Satisfactory servers. We download it from ficsit.app, place it, and restart the server.
- Server side
- Required on the server
- Server load
- light
- Smallest plan we suggest
- Satisfactory — 8 GB (8 GB RAM). This follows our own load rating above, not a benchmark.
- Latest build
- 1.0.2, released 2025-06-11
Run Tier Overflow Lib on a Satisfactory server
Pick a server or deploy a new one above; it is installed in one click.
What kind of mod it is
From the catalogLibraries & compatibility
Foundations and fixes other mods build on. Usually installed because something else needs it.
Runs on your server
From source side supportficsit.app lists Tier Overflow Lib as required on the server. Check its ficsit.app page to see whether players need it too.
Compatibility
- Game
- Satisfactory
- Runs on
- Serverrequired on the server
- Game versions
- >=416835
- Requires
- 1 other project installed alongside it.
Verified at the source
- ✓ficsit.appOfficial listing, checked 2026-10-15Open ↗
- ✓AuthorAcxd, as published on ficsit.app
- ✓LicenseNot published by the sourceFree









