LateJoinAllInOne

LateJoinAllInOne is a simple, host-only late join mod for Lethal Company.

It allows players to join your lobby even after the game has started —
without requiring the mod on clients.

This mod intentionally avoids complex or fragile solutions and focuses on what works reliably with vanilla clients.

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✅ Features

• ✔️ Host-only mod
  Clients do NOT need to install anything.

• ✔️ Late join always allowed
  Players can join:

  • in orbit (ship phase)
  • during the round (mid-round)

• ✔️ Works with vanilla clients
  No forced sync hacks, no custom RPC requirements.

• ✔️ In-game config UI (F6)
  Toggle behavior live without restarting the game.

• ✔️ Safe & minimal
  No Steam join links, no experimental netcode patches.

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⚠️ Important behavior (by design)

• Players who join mid-round may:
  • be unable to leave the ship
  • have limited interaction
• This is a vanilla limitation.
• Once the ship returns to orbit, everything synchronizes and works normally.

👉 This mod does not attempt to fix mid-round state desync, because doing so would require a client-side mod and fragile netcode hacks.

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🔧 Configuration

Press F6 in-game (host only) to open the config window.

Available options:

• Enabled
  Master switch.

• Allow late join always
  Allows joining even after "Game has already started".

• Keep lobby joinable always
  If enabled, the lobby remains joinable whenever a slot is available
  (even mid-round).

All settings are synced automatically from the host.

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🔄 How is this different from other late-join mods?

Mod	Requires client mod	Mid-round join	Complexity
LateCompany	❌ Yes	⚠️ Partial	Medium
VeryLateCompany	❌ Yes	✔️ Yes	High
ExtendedLateCompany	❌ Yes	✔️ Yes	Very High
LateJoinAllInOne	✅ No	✔️ Yes (vanilla behavior)	Low & stable

LateJoinAllInOne chooses stability and simplicity over invasive fixes.

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🧠 Design philosophy

"If vanilla clients can join — let them join.
If vanilla can't handle it — don't fake it."

This mod:

• does NOT force world sync
• does NOT override internal RPC handlers
• does NOT promise perfect mid-round behavior

It simply removes unnecessary restrictions and lets the game handle the rest.

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📦 Requirements

• BepInEx 5.x
• Lethal Company (latest version)

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📝 Notes

• Works best for friend groups and long sessions.
• Ideal if you want one mod on the host only.
• Safe to include in client modpacks — it will stay inactive when not hosting.

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Enjoy ✨