Glossary

This glossary defines key terms used across the SIREN HEAD LEGACY wiki — from Middleway Studios development context to in-game mechanics on Roblox Place ID 15715368401. Use it as a quick reference when reading guides, map pages, or game pass tier lists. Terms link conceptually to detailed pages via paths like Survive the Night and Weapons.

Combat and Survival Terms

Several entries describe night-cycle mechanics rather than items you pick up. Green fog, knockdown, and kiting appear together in kill squad guides — understanding all three prevents miscommunication when a teammate calls "fog" versus "down."

Morph-related passes (BECOME SIREN HEAD, BECOME CARTOON CAT) change PvP dynamics but do not alter crate spawn rules or shop vendor prices. Level 60 free unlock and paid morph passes share the same creature role with different acquisition paths.

AK-47
High-tier automatic rifle purchased at the shop vendor. Primary endgame DPS weapon for night fights and Siren Head kill squads.
Badge
Roblox achievement tied to milestones. SIREN HEAD LEGACY has two: exploration ("Where am I?") and kill participation ("I killed the Siren Head...").
Barn
Island landmark POI used as default team rendezvous before green fog nights. Moderate loot crate spawns and popular base-building site.
BECOME SIREN HEAD
945 R$ morph game pass granting immediate Siren Head role. Also unlockable free at level 60 without Robux.
Building Materials
Gatherable resources used to construct walls and defenses during daylight. See Building Materials.
Cash
Primary currency from loot crates spent at shop vendor on weapons and ammo.
Cave (Siren Head Cave)
Interior POI where Siren Head spawns. Extreme danger during green fog nights.
Combat Drone
95 R$ tier A combat game pass providing automated combat assistance.
Day Phase
Safe-ish daylight period for crate farming, shopping, and base building before night fog.
Game Pass
Roblox account perk purchased or claimed on game page. SIREN HEAD LEGACY has 13 total passes.
Global Gun Shop Access
7 R$ tier S utility pass expanding gun shop vendor convenience.
Glock 17
Starter-tier pistol from shop vendor. First weapon most players buy after initial crate farming.
Green Fog
Visual warning that night phase is active and Siren Head hunts across the island.
Interact (E)
PC key binding to open crates, talk to shop vendor, and collect materials. Mobile uses interact button.
Island
Single forest map containing all POIs. Up to 16 players per server with no off-map escape.
Level 60
Progression gate unlocking free Siren Head morph without purchasing the 945 R$ pass.
Lighthouse
Elevated landmark visible across map. Navigation beacon and sniper overwatch position.
Loot Crate
World object opened with interact key yielding cash. Core economy driver across all POIs.
Mansion (Abandoned Mansion)
High-density loot crate POI with close-quarters PvP and night ambush risk.
Medic
95 R$ tier A combat game pass with support role enhancements for squads.
Middleway Studios
Roblox developer of SIREN HEAD LEGACY (Place ID 15715368401) under Project DISTRACTION.
Military Base
Contested POI with high-value loot crates and elevated daytime PvP intensity.
Night Phase
Danger period signaled by green fog when Siren Head actively patrols from cave.
Night Vision Goggles
Free tier A utility pass improving visibility during fog nights.
Permanent Crate Key
Free tier A pass unlocking applicable locked loot crates when feature is active.
Place ID
Roblox identifier 15715368401 used to locate SIREN HEAD LEGACY game page.
POI (Point of Interest)
Named map location: shop, military base, barn, lighthouse, mansion, shack spawn, cave.
Project DISTRACTION
Middleway Studios project umbrella including SIREN HEAD LEGACY island survival horror.
Promo Code
Free text string redeemed in-game for cash or boosts. None active June 2026.
R700
Mid-high tier sniper rifle from shop vendor for long-range PvP and boss support fire.
Reload (R)
PC key to refill equipped weapon magazine. Critical behind cover during night combat.
RPG
Premium rocket launcher from shop vendor. Burst damage for Siren Head knockdown windows.
Server
Roblox game instance supporting maximum 16 concurrent players on shared island.
Shack (Spawn Shack)
Default spawn area near forest edge where new players begin each session.
Shop Vendor
NPC merchant at shop POI selling all five weapons and ammunition for cash.
Shotgun
Mid-tier close-range firearm effective at barn chokepoints and mansion interiors.
Siren Head
Primary antagonist creature spawning from cave during green fog night phases.
Soldier
245 R$ tier A combat game pass with enhanced combat capabilities.
Stamina
Sprint resource limiting run duration. 2x Stamina free pass doubles effective mobility.
VIP
75 R$ tier S boost pass: 1.5x XP, 1.5x Cash, 1.5x Daily Reward, special chat tag.
WASD
Standard PC movement keys: W forward, A left, S back, D right.

Frequently Asked Questions

What does green fog mean?

Night phase is active and Siren Head is hunting. Seek team cover and weapons ready.

What is Project DISTRACTION?

Middleway Studios project name associated with SIREN HEAD LEGACY development.

How many POIs are on the island?

Seven major locations: shop, military base, barn, lighthouse, mansion, spawn shack, cave.

What weapon should beginners know first?

Glock 17 — affordable starter gun from shop vendor after first crate cash.

Are there official Trello terms?

No official Trello exists. Glossary reflects verified in-game and wiki terminology only.