EasyBackpack (Compatibility Fix) — 1.1.3

This is a community-maintained compatibility fix for the original EasyBackpack mod.

Original author: nickklmao Original Thunderstore page: https://thunderstore.io/c/peak/p/nickklmao/EasyBackpack/ Original package: EasyBackpack 1.1.2 (Thunderstore, PEAK community) Author contact: PEAK Modding Discord — @nickklmao (link: https://discord.gg/SAw86z24rB) License: The original package ships without any license file; the author has not declared an open-source license. This fix is provided in good faith for the community. If you are the original author and object to this redistribution, please contact us and it will be removed immediately.

What is this?

Are you tired of having to drop your backpack to access it? No need to worry, you don't have to anymore! Using a custom keybind (see below) you can access your backpack without having to drop it.

This package is a FORK of the original EasyBackpack mod. It is not an official update by the original author. It exists because the PEAK game update of 2026-08-12 broke the original 1.1.2 build (BackpackSlot.hasBackpack was removed, GUIManager.OpenBackpackWheel signature changed, and the game's BackpackWheel.Update reorder broke the mod's IL hook), and the original author has not (yet) released a fix.

Note on licensing: unlike some other mods, EasyBackpack has no LICENSE file. All code credit goes to nickklmao. This package only repairs the game-API breakage.

What was fixed in 1.1.3?

No gameplay logic was changed — only the three game-API incompatibilities above.

Manual Installation

1. Download BepInEx from here and follow the installation instructions provided there.
2. Download this mod and drag and drop the EasyBackpack.dll file into your PEAK BepInEx plugins folder located at: <game directory>\BepInEx\plugins
3. Remove any previous copy of the original EasyBackpack.dll first (same plugin GUID — keeping both installed will conflict).

Configuration

The default keybind for accessing your backpack is B, editable in: <game directory>\BepInEx\config\nickklmao.EasyBackpack.cfg

• Backpack Key (default B) — the key to open your backpack while it's on your back.
• Alternative Backpack Key (default None) — an optional second key.

Changelog

See CHANGELOG.md.

Disclaimer

This is a community repair, not affiliated with or endorsed by the original author. The original package carries no license; if you are the author and want this removed, reach out via the Discord link above.

Changelog

1.1.6 (compatibility fix, community-maintained)

Jetpack refuel fixes for non-host clients.

Fixed:

• Jetpack self-refuel rollback: when a non-host client refuels their own equipped Jetpack, the game's AddFuelToJetpack triggers an EmptySlot() → host SyncInventoryRPC that carries the pre-refuel fuel value and overwrites the client's local fuel. The fix compensates the local Fuel / UseRemainingPercentage back to the authoritative value after the stale sync lands — no extra RPC is broadcast, so the host copy is never double-counted.
• Jetpack fuel amount now matches ground refuels: refuelling a back-mounted Jetpack always added a fixed 50, while ground refuels compute from the held item. Back refuels now use the same per-item fuel calculation as ground refuels.
• Robustness: the forced-interact patch state machine is reset on every Prefix (no stale input restore), all wheel-close paths clear both access flags, and the slot-count / GetFromEquippedBackpack fallbacks log a throttled warning instead of silently swallowing exceptions.

Unchanged:

• All gameplay logic, config keys, and plugin GUID (nickklmao.easybackpack) are otherwise identical to 1.1.5.

1.1.5 (compatibility fix, community-maintained)

Per-backpack-type slot count + Rocketpack handling.

Fixed:

• The backpack wheel now uses the equipped item's real capacity instead of the hardcoded 4-slot value. slotCount is read from CharacterBackpackHandler.activeBackpackVisuals.slotCount (the prefab-configured value the game itself uses in BackpackOnBackVisuals.Interact_CastFinished):
  • Backpack → 4 slots (unchanged)
  • Fannypack → 2 slots (previously the wheel showed 4, letting you stash items into slots 3/4 that could never be retrieved)
• Rocketpack no longer opens the backpack wheel at all. The game's official interaction for a Rocketpack on the back is firing it (LightRocket), not opening the inventory; the quick-access key now does nothing instead of opening a wheel that would swallow items into unreachable slots.
• Falls back to 4 slots (inside try/catch) if the active visuals are unavailable.

Unchanged:

• All gameplay logic, config keys, and plugin GUID (nickklmao.easybackpack) are otherwise identical to 1.1.3.

1.1.4

• Fix README.md

1.1.3 (compatibility fix, community-maintained)

Restores the original EasyBackpack 1.1.2 for the PEAK game update of 2026-08-12.

Fixed:

• BackpackSlot.hasBackpack field was removed by the game update; both references now use BackpackSlot.IsEmpty() (backpackType == BackpackType.None).
• GUIManager.OpenBackpackWheel signature changed from (BackpackReference) to (BackpackReference, int slotCount, BackpackSlot.BackpackType); both call sites now pass the equipped slot's itemSlots.Length and backpackType.
• The game's BackpackWheel.Update reordered its close checks (the !interactIsPressed close now runs after the backpack.exists check), which silently broke the original MonoMod IL hook (wheel closed immediately after opening). Replaced the IL hook with a Harmony Prefix/Postfix that holds interactIsPressed while the backpack key is pressed, preserving the original "hold key to keep the wheel open" behavior.

Unchanged:

• All gameplay logic, config keys, and plugin GUID (nickklmao.easybackpack) are identical to the original 1.1.2.

License note: the original package ships without a license file; the author has not declared an open-source license. This fix is provided in good faith; contact for removal if the author objects.

1.1.2 (original, by nickklmao)

• Updated to work for the ROOTS update.

1.1.1 (original)

• Updated to work for the MESA update.

1.1.0 (original)

• Added: You can now access the backpack of someone you're carrying.
• Fixed: You no longer can access your backpack while passed out or dead.

1.0.1 (original)

• Updated Thunderstore dependencies.

1.0.0 (original)

• Initial Release 🔥