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Eternal is one of the largest scenarios ever created for Aleph One, initially created by Forrest Cameranesi (Pfhorrest) and subsequently revised and expanded by a massive team known as the Xeventh Project, which, as of this update (March 2024) now includes more than 40 people. Besides Tempus Irae, it may be the oldest scenario still being actively developed; it was first released in 2004 and has been refined and expanded almost continuously ever since. Features include, but are hardly limited to:

• 52 levels, some revisiting familiar locations from the Marathon trilogy and some being among the largest ever created for the engine
• An intricately layered plot featuring dense political and philosophical themes, a tragic romance, time travel, major events from the Marathon trilogy’s backstory, complex original characters, and returning faces from the trilogy’s cast
• A huge, acclaimed soundtrack with unique music for every level, lasting more than seven hours total, and created by over a dozen composers and arrangers (significantly expanded in 1.3 previews 4 through 6)
• Redesigns of most of the game’s familiar cast (new in 1.3), some old foes from Pathways into Darkness, and some new faces (some new in 1.3)
• Hundreds of gorgeous terminal images (many added for 1.3 preview 4 through 6)
• Five texture sets, encompassing 650 high-resolution textures, 12 detailed original landscape textures, and several separate human and alien environments
• An in-game menu system (new in 1.3 preview 6) that toggles several optional features, including:
  • Simplified overhead map views in around twenty levels (new in 1.3 preview 6)
  • A secret tracking system (new in 1.3 preview 4)
  • Auto-save the game on level transition (new in 1.3)
  • An RPG-style monster health display (new in 1.3 preview 6)
  • Shared pickups between players in network games (new in 1.3 preview 6)
  • Disabled friendly fire between players in network games (new in 1.3 preview 6)
• More than 360 sounds, remixed or remastered in CD quality, in stereo where possible (new in 1.3)
• Atmospheric weather like rain and snow (new in 1.3)
• A final boss battle of sorts (new in 1.3)
• Detailed documentation including illustrated field guides to Eternal’s weaponry, aliens, and humans, detailed credits, a meta-history of Eternal, and technical notes on how its maps and scripts work (new in 1.3)

The current development release, 1.3 preview 6 (released on 2024-03-07), is perfectly playable despite still being incomplete; it is now our recommended way to play the game. We’ll refrain from estimating the release date of 1.3 final, as we’ve overshot too many estimates to count (thank you, feature creep). The current “stable” build, 1.2.1 (released on 2021-11-07), is missing several features listed above but is still an enjoyable game in its own right.

The screenshots seen on the right are from a development release from between 1.3 previews 4 and 5 and are a reasonable reflection of Eternal’s current appearance. Although they were taken on Normal (so as to show more monster types), we do recommend playing Eternal on the highest difficulty you can manage.

Notes for version 1.3 preview 6:

Current development release. 1.3 incorporates several new features, many detailed above. New in 1.3 preview 6:

• Hard requirement of Aleph One 1.7 or later.
• An in-game menu system that toggles a ton of new optional scripts, including:
  • Hide irrelevant layers of the overhead map (a massive aid to navigation).
  • RPG-style monster health display.
  • Disable friendly fire in cooperative games.
  • Shared item pickups in cooperative games.
• New drone and Juggernaut sprites in chapter four.
• Fixes to dozens of physics inconsistencies.
• Major music changes:
  • Every level now has at least one unique music track.
  • “We Met Once in the Garden” now uses multiple tracks that shift depending on in-game events, à la FTL or Cadence of Hyrule – to our knowledge, this is the first scenario to make use of Aleph One 1.7’s dynamic music features, though in a relatively simple fashion.
  • Seventeen of Craig Hardgrove’s tracks have been newly remastered or remixed from newly available, much higher-quality sources, some multiple times.
  • The game soundtrack is now encoded as Opus, the objectively best lossy music codec by every performance metric.
  • True obsessives may use an optional lossless FLAC version for the in-game soundtrack.
• New (or newly accessible) areas in “Deja Vu All Over Again”, “Roots and Radicals”, “Core Done Blew”, “A Friend in Need”, “Frog Blast the Vent Core”, and “I’ve Got a Bad Feeling About This”.

Additions to preview 5:

• Fixes to several major bugs, including crashes in six different levels, the HUD messing up in non-16:9 aspect ratios, and problems in network games with the secret counter and map overlay.
• Over an hour of new/updated music since preview 4.
• New secrets in a few levels.
• Jjaro sludge is no longer coloured like M1’s toxic Pfhor goo.

1,327 downloads, 2 reviews, 5 screenshots, 5.0 rating

It is 40 years after the combined forces of Earth and the S'pht Kr sacked the Pfhor system. You were put back into stasis after your legendary battles at Tau Ceti and L'howon. You've been recalled from stasis to help the UESC on a mission of utmost importance. You are aboard the UESC Leviathan and headed towards the Kolana system. Hobbes, the onboard AI, informs you of the situation. The Pfhor are back. So are the S'pht. More importantly, there is a new player in town, an AI called Wanda.

Features:

• An epic 3-way battle for the Jjaro AI with fluid alliances. Fight with the S'pht against the Pfhor, fight with the Pfhor against the S'pht. Fight alone against everyone.
• A new texture set
• 12 solo levels

Created by John A. Hancock, 1998

1,292 downloads, 0 reviews, 4 screenshots

Archive backup of the partial conversion scenario Pfh'Joueur for Marathon Infinity, converted to an Aleph One compatible unimap format. Originally at Fileball.

Scenario readme:

Welcome to Pfh'Joueur by Candace Sherriff, Gareth Wood and Rainer Udelhoven. Playing Pfh' Joueur with Aleph One:

Copy the Aleph One (0.16 or higher) application or exe into the Arx Immanis folder.

Unimap Notes

Users must have Aleph One 0.16 or higher. "Pfh' Joueur Classic" can be decoded (.bin file) and used with the the decoded (.bin) Image and Map files in classic. The look and feel of the game should be the same. The mml scripts are for text strings and opengl code.

Any unimap problems email

ahuxley@adelaide.on.net

Thanks Mark

1,289 downloads, 0 reviews, 10 screenshots

Decided to release Glow as an unfinished game because it feels like it will change when The Silence gets released.

Glow is built from Lost Land's resources, which is why the menu image is the base game's as well as textures and sprites. Music is taken from my iTunes list which features Tineidae, Totakeke and Cybernetika. Don't use the songs for your scenario if you haven't brought them yourself. (Cybernetika's was however free) No copyright intended for any song. Removal is acceptable.

Don't criticize this scenario. It's unfinished and are only mean't as a glance of history.

Meerjel01

Notes for version 0.1:

Made a global version AND a less law breaking one as-well.

1,229 downloads, 1 review, 6 screenshots, 3.0 rating

The Map file for Marathon 2: Durandal, as it was presented in the Windows 95 release.

The Windows map file contains several visual (and a few gameplay altering) changes from the Mac version, many small, some big. It also has a few altered terminal images.

Anyone familiar with "Waterloo Waterpark" will immediately be surprised with this rendition.

There are some players who do prefer the Windows map, so I decided it would be worth posting on Simplici7y.

The M2 Win95 map file is not particularly hard to obtain, as it is available in retail M2 copies for Windows, and it's available as a download on the Trilogy Release site, HOWEVER, that merge does not contain chapter screen sound effects. I re-merged the map file with the Mac version's sound resource folder, so now all chapter screens will play the appropriate sound.

1,186 downloads, 1 review, 3 screenshots, 4.0 rating

This is a 30 level scenario that truly deserves official sequel status to the original Marathon trilogy. We're so confident about that, that we're calling it Marathon 4. There are too many people that helped with this project that it's impossible to name everyone. Thank you all fans of marathon!

This scenario is truly groundbreaking in that every time you play the game, your experience will be different. No two players will ever have the same experience playing through this game. The replayability is endless!

1,109 downloads, 6 reviews, 0 screenshots, 4.2 rating

These are compatibility files for Wheels! (a marathon engine game) to make it work in Aleph One. If you happen to own Wheels!, you can combine it with these files to play it with Aleph One. The original game supported input devices for people learning to use a wheel chair, and I don't know if those work in Aleph One. You will be limited by whatever inputs it supports, so this is mostly just for people curious to go through the game outside the context of its original purpose.

1,091 downloads, 2 reviews, 1 screenshot, 3.0 rating

[PLEASE READ BELOW]

In the latest multimedia dispatch from NEFX, spend time stuck in a mad one's dimension trying to attain the most amount of glory in the most amount of time before the current iteration of your condemned (blessed?) soul is snuffed. In the cracks, drink of all the details of the strange essence you've stumbled into. More levels and optional files (i.e textures) may be added across updates (note also the extra maps folder with one map in it).

IMPORTANT NOTE: You will need to toggle the included (and modded) Survival script to play this scenario. I got Hopper's permission for its use -- just ask him. Thanks, Hopper!

New sounds come from Hollywood, sundry YouTube, SWB Audio Capture, and Cythera by Ambrosia Software.

Notes for version -- newest map addition 2023-07-25:

I added a separate map called "Permachthon Autocraft - Eternal Passage" in April.

1,058 downloads, 3 reviews, 1 screenshot, 5.0 rating

Dissent scenario by Thomas Reed. Modified for Aleph One by Mark (no last name).

Website

Notes for version v1.2:

from the readme:

Users must have Aleph One 0.16 or higher. "Marathon Dissent.bin" in the read me folder can be decoded (.bin file) and used with the the decoded (.bin) Image and Map files in classic. The look and feel of the game should be the same. The mml scripts are for text strings and opengl code.

894 downloads, 2 reviews, 3 screenshots, 3.0 rating

In this latest NEFX shell to be added to map-wise over time, you accidentally teleport into a messy, long-abandoned, and now-infested storage complex run by an AI who has gotten imaginative in isolation but who is thwarted in progress and needs someone to retrieve missing keys amidst a great mess in order to both grow unabated and help you escape. All maps in this scenario shall be Retrieval missions.

Notes for version 2023-08-16:

I added a new map, "NEFX - Dawned Age First Sight and Strike". You can download it and other maps either individually or together at the provided link.

841 downloads, 0 reviews, 4 screenshots

This is the latest release of this scenario.

Winter 1 is a collaborative single player project originally made in 2010 to succeed the Xmas series. It consists of 7 levels.

Contributors: Drictelt, Shadowbreaker, $lave, Axle_Gear

Notes for version 1.3:

This version is from 2022 and was packaged with modern tools, so it should work on every platform. It also has some other improvements:

• Created a new second level
• Bug fixes and changes to some of the monsters
• Various graphic changes

772 downloads, 0 reviews, 3 screenshots

[Credit to Windbreaker for the title.] "Until they've searched thoroughly, one can never be clean." In this scenario, you get to spend a bunch of time cleaning up a space of its filth balls with your trusty Yucatan Suckaman™ vacuum cleaner. But watch where you step, and be sure to empty the bag often so the vacuum cleaner doesn't explode!

Notes for version 2023-10-12:

Today I added the 50th map made for Marathon: Sucks, "The Fracturing of the Husked Civilization Stations". This can be downloaded individually or with other maps or the scenario itself at the provided link.

756 downloads, 1 review, 5 screenshots, 5.0 rating

Marathon: Istoria is a single-player RPG scenario set in the Marathon universe and designed for the Aleph One engine. It pushes the engine to its limits by using advanced character progression, combat, and storytelling.

Customize your character by choosing from seven different player classes, each with their own unique active and passive abilities. Decide which conventional weapons you want to specialize in, and make use of a brand new arsenal of spells. Explore Istoria while discovering its secrets and how you fit in the world through a combination of terminals and communicating with the recently deceased. Istoria features an original soundtrack by Jon Irons.

NOTE: the "microphone" key in Aleph One has recently been changed to the "aux trigger" key, which is important to know for Istoria.

Notes for version 1.0:

• Initial release.

749 downloads, 5 reviews, 6 screenshots, 5.0 rating

In this NEFX shell based on Pathways Into Darkness, you've probed too deeply into matters unknown and found yourself in the forbidden zone, at the mercy of a once-dormant deity ordering your retrieval of diamonds to escape.

Notes for version -- newest map addition 2023-07-25:

I added a separate Pathsifter map called "The Abrasion at the Horizon Boundary". You can get this map and others along with the scenario folder itself at the provided link.

645 downloads, 1 review, 5 screenshots, 5.0 rating

Marathon 1984 is a custom 3 map scenario for Marathon Infinity, created in 1997 by Frank 'Elk' Rooke and distributed in the MacAddict issue No. 13 cover CD.

This file contains the Marathon 1984 map file and a patched shapes file in MacBinary II format, compatible with Aleph One, as well as the original installer for classic MacOS also in MacBinary II format.

Contents of the Marathon 1984 original readme file:

Marathon-1984 Scenario

Level construction, textures and terminal art: Frank 'Elk' Rooke Many thanks to Devon Belcher (UESC Marine terminal pict by Devon)

Final merge: 6-16-97

1984 consists of three levels to be played as solo maps only and using Marathon Infinity.

Send your comments or questions to: kfrooke@earthlink.net.

637 downloads, 1 review, 7 screenshots, 4.0 rating

In this latest Marathon content shell from NEFX, a once-promising new sector of Nampa, Idaho has gone to shit along with its possibly clone-based citizenry, and you're caught in it. Escape?

Thanks to Alex Scobell for those "Earth" textures! He made them like 20 years ago when he was 10 and they never really got used, but he offered me to make something with them, so I made this. :3

553 downloads, 0 reviews, 2 screenshots

This fixes the issues from the original 2019 upload, meaning it doesn't have anyone else's plugin or any version of Aleph One in it. This was a joke made in response to Meerjel01's proposed scenario Marathon: Green. It's an extermination level, so return to the starting platform after killing everything. In the meantime, deal with all the green.

Notes for version 2:

Doesn't have anyone else's plugin or any earlier version of Aleph One in it. I used a custom texture to create the green this time, and it's easier and better to navigate this way anyway.

524 downloads, 0 reviews, 0 screenshots

Collect 52 cards to win!

517 downloads, 0 reviews, 1 screenshot

An entire soundtracked 50-level pack by NEFX for the 1998 Marathon-engine-based game Wheels! by RJ Cooper. Much thanks to the original Wheels! creators and to W'rkncacnter/Douchetower for help with the bundling. To play:

1. Copy the Wheels! files into the directory.

2. Open the graphics/shapes file in ShapeFusion and apply the contained shapes patch to it.

3. Put Aleph One in the directory and launch it.

4. Stop.

5. Bend.

6. Lean.

7. Kiss ass goodbye.

500 downloads, 1 review, 5 screenshots, 5.0 rating

In this new NEFX scenario shell for Marathon Aleph One, you're a pedestrian trying to get past a crowd of other pedestrians to get to the exit, in part by yelling and shoving. But no one can die, so be patient, persevering, and careful about where, when, and how you shove and yell.

Notes for version 2023-10-16:

Today I added one new map for Marathon: BOBJam, "How Originary Understandings Get Re-Reached". This can be downloaded individually or with other maps or the scenario itself at the provided link.

430 downloads, 1 review, 1 screenshot, 5.0 rating