Door

The most common type of door seen in the Halo games.

Doors are movable barriers used to cover up openings; typically, such barriers are attached to the very openings they block. They are used by virtually all factions in the Halo universe.

Appearances

Below is a list of the various door shapes and colors seen in the Halo games.

Halo: Combat Evolved

Pillar of Autumn:

Two types of sliding doors.
Blast Doors.
Metal grate-covered maintenance shaft doors.
Lifeboat Airlock doors.

Halo: N/A

The Truth and Reconciliation:

Two different sizes of two-part Covenant sliding doors.
Shuttle bay doors.

The Silent Cartographer:

Triangular, tri-segmented Forerunner doors.

Assault on the Control Room:

Triangular, tri-segmented Forerunner doors.
Larger versions of the tri-segmented Forerunner door. (Generally leading outside, or in more important areas)
Large blast doors in the underground tunnels.
Large multi-part Control Room doors.

343 Guilty Spark:

Triangular, tri-segmented Forerunner doors.

The Library:

Massive Forerunner security doors.
Several smaller types of doors.

Two Betrayals:

Triangular, tri-segmented Forerunner doors.
Larger versions of the tri-segmented Forerunner door. (Generally leading outside, or in more important areas)
Large blast doors in the underground tunnels.
Large multi-part Control Room doors.

Keyes:

Two different sizes of two-part Covenant sliding doors.
Shuttle bay doors.

The Maw:

Two types of sliding doors.
Blast Doors.
Metal grate-covered maintenance shaft doors.
Lifeboat Airlock doors.
Static tri-segmented vehicle doors (In the tunnels of the final run).

Halo 2

Cairo Station:

High-tech automatic doors, with a light indicating their locked/unlocked status.
Different types of Blast Doors.
Thick metal doors (In the tramway)
Glass-plated doors.

Outskirts:

Un-passable gray doors with yellow upside down triangles (In the buildings of Old Mombasa).
Dark green metal doors in the rooms of Hotel Zanzibar.
Large highway doors (In the highway tunnel).
Corrugated metal doors (In the highway tunnel).
Several types of un-passable service doors (In the higway tunnel and Old Mombasa).

Metropolis:

Large highway doors (In the highway tunnel).
Corrugated metal doors (In the highway tunnel).
Several types of un-passable service doors (In the higway tunnel and the streets of New Mombasa).
Two-part sliding doors with glass windows, in the Mtangulizi Kampuni building.

The Arbiter:

Rectangular Forerunner airlock doors with a blue square in the middle.
Normal Forerunner doors.
Large main doors of the Gas Mine's hangar.

The Oracle:

Rectangular Forerunner airlock doors with a blue square in the middle.
Normal Forerunner doors.
Large main doors of the Gas Mine's hangar.

Delta Halo:

Forerunner doors covered in ornate carvings, with an oval eye-like symbol in the center.

Regret:

Forerunner doors covered in ornate carvings, with an oval eye-like symbol in the center.

Sacred Icon:

Forerunner Pistons.
Large Forerunner vehicle doors containing multiple segments which spin 90° and retract upwards.

Quarantine Zone:

Large Forerunner vehicle doors containing multiple segments which spin 90° and retract upwards.
Normal forerunner doors.
Massive, circular doors with multiple segments.

Gravemind:

Multi-layered Covenant doors.
Covenant prison cage doors.

Uprising (level):

Triangular Forerunner doors with two segments.

High Charity:

Multi-layered Covenant doors.

The Great Journey:

Triangular Forerunner doors with two segments.

Halo 3

Sierra 117: N/A

A door in Crow's Nest.

Crow's Nest:

Heavy bunker-style doors, which are opened with door control buttons, remarked by a Marine as being "old tech", as the base was built in the 21st century.
Large vehicle doors (Static).
Elevator doors.

Tsavo Highway:

Large bunker doors of Crow's Nest
Highway tunnel doors.

A door in Traxus Factory Complex 09.

The Storm:

Person-sized industrial automatic doors.
Industrial vehicle doors, openable with a button.
Large vehicle doors.

Floodgate:

Person-sized industrial automatic doors.
Industrial vehicle doors, openable with a button.
Large vehicle doors.

The Ark:

Triangular, tri-segmented Forerunner doors.
Multi-part doors with segments that open upward (In the wall structure).

The Covenant:

Triangular, tri-segmented Forerunner doors.
Multi-part doors with segments that open upward (In the tunnel that leads to the Citadel).
Forerunner Control Room doors (In the Citadel).

A Covenant door in High Charity.

Cortana:

Flood Portas: Large, sphincter-like orifices.
High Charity's multi-segmented Covenant doors with a spinning lock in the center.

Halo:

Triangular, tri-segmented Forerunner doors.
Forerunner Control Room doors (In Control Room).

Trivia

The object John-117 rode to Earth in the beginning of Halo 3, is apparently some sort of Forerunner door, part of the Forerunner Dreadnought.
The triangular, tri-segmented Forerunner door is the most commonly seen door model in the Halo trilogy.

Gallery

A door in Crow's Nest.
A door in Traxus Factory Complex 09.
A Covenant door in High Charity.

Related Pages

Sources