Project Osiris

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Project Osiris
Title screen
Authors ArcturusDeluxe
Port GZDoom
IWAD Standalone
Year 2020
Link ZDoom forums thread

Project Osiris is a project to recreate the Amiga game Alien Breed 3D on the GZDoom engine in the form of a total conversion, spearheaded by ArcturusDeluxe. The project aims to faithfully port all of the levels, graphics, sounds and game behavior to GZDoom, whilst also offering a slew of enhancements and improved graphics over what was possible in the Amiga original.

Project Osiris was first publicly announced on the ZDoom forums on 28 February 2020, with Arcturus Deluxe announcing his intention to port over the game after witnessing a few failed attempts to do so in the previous years (most notably one for the Odamex port). After meticulously porting over the levels and graphics from the original game, utilizing previous conversion work from the QBreed project,[1] several improvements were carried out, including: graphical touch-ups to the spritework and textures, new rotational angles for enemy sprites, new and improved sound effects, a brand new soundtrack composed by ArcturusDeluxe himself (under his musician alias Null Divisor), the ability to use the CD32 soundtrack by Bjørn Lynne (Dr Awesome), three different difficulty levels, and a host of other improvements. Version 1.0 was finally released on April 16, 2021, after almost two years of development. Project Osiris comes with a bundled copy of a renamed GZDoom, but is fully supported otherwise by the engine itself in the form of an .ipk3 (same as an IWAD, only using the PK3 format instead). Because versions of ZDoom to the Amiga are quite outdated and do not support the latest features afforded by GZDoom, the latter port was chosen to support the original's singular feature of room-over-rooms.[2]

The latest version of Project Osiris is 1.0.3, released on May 11, 2021. A derived project has been initiated to convert over Alien Breed 3D II: The Killing Grounds.[3][4]

Content[edit]

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Levels and music[edit]

The player can choose between two variants of soundtrack:

  • bespoke soundtrack composed by ArcturusDeluxe under the name Null Divisor, this version is called "modern" in the menu;
  • soundtrack from CD32 version of the original game, which uses tracks composed by Bjørn Lynne.
Level/scenario Modern soundtrack CD32 soundtrack
TITLEMAP: Project Osiris "The Breed (Osiris Mix)" "The Breed"
MAP01: The Gate "No Turning Back" "Riding the Stream"
MAP02: Storage Bay "Echoes in the Dark" "A Promise of Fear"
MAP03: Sewer Network "Hydrophobia" "Breed Theory"
MAP04: The Courtyard "Pulse Rate" "Ashes of the Dead"
MAP05: System Purge "Machine Core" same as MAP01
MAP06: The Mines "Underworld" same as MAP02
MAP07: The Furnace "Meltdown" same as MAP03
MAP08: Test Arena Gamma "Prototype" and "Haywire" same as MAP04
MAP09: Surface Zone "Terra Firma" same as MAP01
MAP10: Training Area (secret exit to MAP17) same as MAP01 same as MAP02
MAP11: Admin Block same as MAP05 same as MAP03
MAP12: The Pit "The Descent" same as MAP04
MAP13: Strata same as MAP06 same as MAP01
MAP14: Reactor Core same as MAP04 same as MAP02
MAP15: Cooling Tower same as MAP07 same as MAP03
MAP16: Command Centre "Destruction Imminent" same as MAP04
MAP17: Outer Relay (secret level) same as MAP02 same as MAP01
END: End "Unconscious" same as TITLEMAP
Level intro "Map Intro" same as modern track
Level exit "Survived" same as modern track
Player death "Dead" same as modern track

Monsters[edit]

  • Hellhounds (pack hunter)
  • Marines (trooper, shotgun trooper)
  • Floaters (beholder)
  • Second generation cyborg hybrid (worm trooper)
  • Mutated marines (plasma trooper)
  • Shoggoths (alien tree)
  • Walker (K-2 assault bot; midgame boss)
  • The Alien Queen (matriarch; endgame boss)

Weapons[edit]

  • Knife (cut from the original game)[5]
  • Mark IV pulse rifle
  • Double-barreled shotgun
  • Machine gun
  • Grenade launcher
  • Rocket launcher

Items[edit]

  • Red key
  • Blue key
  • Green key
  • Yellow key
  • Pulse rifle rounds
  • Shotgun shells
  • Grenade pack
  • Plasma cells
  • Rocket
  • Stimpack (+10 health)
  • Medpack (+25 health)
  • Armour shard
  • Body armour

Objects[edit]

  • Teleporter
  • Explosive barrel

External links[edit]

Articles[edit]

References[edit]

  1. ArcturusDeluxe. "Project Osiris - Alien Breed 3D for GZDoom." English Amiga Board.
  2. ArcturusDeluxe. "Project Osiris - Alien Breed 3D for GZDoom." English Amiga Board.
  3. CravenCoyote (6 July 2024). Alien Breed 3D 2: The Killing Grounds total conversion for GZDoom. Doomworld forums. Retrieved 21 December 2024.
  4. ArcturusDeluxe (7 July 2024). "Nice, @CravenCoyote is working on an Alien Breed 3D 2: The Killing Grounds conversion for GZDoom using Project Osiris as a base. I approve wholeheartedly!" Twitter.
  5. Development:Alien Breed 3D. The Cutting Room Floor. Retrieved 10 July 2024.