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Portal of Sigma is an Aleph One scenario with a new story, landscapes, textures, weapons, and updated sprites.

I've repackaged it and fixed a few things with the MML to make everything work with modern Aleph One. -Shappie

Credits

Simon Dupuis, Chris Wheeldon, Andrew Cormier, Rony Sanchez, Goran Svensson, Alex Bolton, Mike Finley, Scott Noblitt, Alex Dupuis

2,211 downloads, 3 reviews, 3 screenshots, 2.3 rating

NOTE: Many changes have gone into this game to address the two reviews. With over 900 downloads, I'd appreciate a review from someone else. Please? Many many updates to add pillars, stairs, transparency, different goals, etc. When this was originally reviewed, there were only 4 levels! Please review if you downloaded it.

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Fart or Die! is a 9-level game that uses hidden areas, terminals, switches, teleports, and more!

As a beginner, I struggled to figure out how to create switches, terminals, platforms, stairs, circles (use circle plugin around a line), uplink chips, exits and terminal variants with multiple actions. I also could not figure out how to add motion or depth to water, lava, or sewage. All that works now and is included in this game.

I am not an expert map maker by any means (more a newb) but this map contains a lot of commonly used elements for map makers and may help some newbs.

NOTE: I am not a super mapping pro and my levels are much less complex than others on here…but it is that complexity that made it hard for me to learn by studying other maps. I hope this set of maps helps someone new on here. This is NOT an advanced mapping tutorial. It is meant to help you get over the hump.

Having said all that, it is also fun to play and I enjoyed making it. While the levels are not too complex, they are challenging and require you to follow game strategy to move from one level to another. :) If you play the game at the hardest level, you will find it difficult to complete. :)

Let me know if you like it. I'm in the pfhorums as dustu and on live games as dustu.

NOTE: I have addressed most, if not all, of the comments by reviewers on here and in the forums.

If you download this, please review it.

Enjoy!

Notes for version 1.3.5:

Minor bug fixes.

3,594 downloads, 3 reviews, 6 screenshots, 2.0 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.

1,374 downloads, 2 reviews, 3 screenshots, 3.0 rating

This is the Marathon Victum Demo. Only the maps and shapes file are included. This is compatible with the hi-res shots, WEP pack and partially with the texture enhancement pack.

Because Victum uses Marathon 2's Water, Sewage, Lava, and Pfhor texture sets as well as the Marathon Infinity Jjaro set, it would not be logical to simply add the M2 or Marathon Infinity enhancement packs because they would make the game look wrong. What you need to do is get both the Infinity and Durandal enhancement packs, then use the Marathon infinity texture script and folders, but then copy over the four Marathon 2 sets in the marathon infinity texture folder, so the folder will be like so:

-Jjaro hi-res set -M2 water hi-res -M2 sewage hi-res -M2 pfhor hi-res -M2 lava hi-res -Marathon Infinity hi-res script

Backstory: Marathon Infinity was a dream of sorts, and Marathon 2 has just ended. You awake aboard a human-built ship.

It's sweet and simple because it will be explained in the first level.

Known bugs: The third level has no ambient or random sounds.

Report bugs to ionicpaul@hotmail.com

Notes for version Demo Beta v1:

Known bugs: The third level has no ambient or random sounds.

3,494 downloads, 2 reviews, 3 screenshots, 3.0 rating

Play as a replicant designed by Lysander.

Project Iris is a Rubicon scenario which will likely never be finished.

It features two full-fledged levels and a transition level.

Violet is arguably the best map I've ever made and I am happy to share it for others to enjoy. The level is meant to take place halfway through the story, so expect in medias res-style terminals.

Additional notes:

• Your unarmed secondary is a "kick" with major knockback.

• You will need Rubicon X to play this scenario. Make sure to follow the instructions I've included in the zip.

Notes for version 1.1:

• Hotfix: Door in Dry Petals On My Espresso Martini was locked by default

1,128 downloads, 0 reviews, 6 screenshots

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

1,772 downloads, 1 review, 4 screenshots, 3.0 rating

At long last, here is the continuation of my surrealist total conversion, "Spatial Outpouring", the first chapter of which was developed back in 2015-2016, and released in 2018.

I had the idea of creating a 'psychedelic' marathon scenario with a highly otherworldly plot, and heavy use of bright colors and fractals.

I also used synthesizers to create copious sound FX and ambiences for the game, and included an original song of mine in the title screen (this second chapter contains a different original song than was included with the first).

This second chapter was mostly developed years ago, but progress slowed to a halt for a long time, as I was frustrated trying to make the bizarre levels a playable experience.

Public appreciation for the 1st chapter has now led me to finish what I started, and here you have it - 3 new levels. I am pleased to say that at this point, this new material is truly the natural continuation to the original, and goes deeper into strangeness than ever before.

Notes for version 1.1:

Texture fix on level 2.

570 downloads, 0 reviews, 5 screenshots

Apotheosis X is a total conversion featuring 24 massive levels of carnage brought to life with entirely reimagined sprites and textures, high frame rate animations, 16 bit audio and an original soundtrack.

The campaign features engaging combat that scales with player skill and aggression, with a roster of new enemies and weaponry that complements the original games' nuance and high skill ceiling.

Notes for version 1.1:

Key updates for 1.1:

• Sound effects are louder and punchier, with more variety.
• The player's arsenal is more powerful, with many adjustments that make it more effective on total carnage.
• Additional saves, items and resources throughout the campaign.
• Weapon and item pickups are more visible.
• Numerous bug fixes, including the removal of 2 soft locks.
• Numerous small updates to level designs.
• Included PDF manual with a weapon manifest and additional backstory.

An extensive list of updates is available in the download.

6,573 downloads, 13 reviews, 13 screenshots, 4.4 rating

A cool scenario from 1997 by one Christian Blomqvist. Take on some rascally no good 'Gangsterz'. Featuring all new sprites and enemies. This is one not to miss!

1,198 downloads, 0 reviews, 3 screenshots

Stand-alone Marathon game. Windows version.

Notes for version .36:

Fixed the gamma bug.

3,309 downloads, 2 reviews, 0 screenshots, 3.5 rating

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 (a huge thanks to Solra Bizna for the menu system), 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. (A huge thanks to General-RADIX for these.)
• Fixes to dozens of physics inconsistencies. (A huge thanks to Irons for his help with this.)
• 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.

2,059 downloads, 2 reviews, 5 screenshots, 5.0 rating

Marathon® Infinity takes the closed universe of the Marathon series and blows it wide open. The solo/co-op campaign, “Blood Tides of Lh’owon,” is a 20-level scenario sporting new textures, weapons, and aliens. More than that, the scenario sheds a surprising new light on the story’s characters and the meaning of events. Having defeated the Pfhor and reawakened the ancient remnants of the S’pht, the player now faces a world where friends become enemies and all is not what it seems…

Marathon Infinity is the most popular Marathon game in online play, and is compatible with hundreds of community-made maps. This release includes the classic graphics, and revamped high-definition textures and weapons.

599 downloads, 1 review, 1 screenshot, 5.0 rating

A two-level mini-scenario consisting of maps that were intended to become part of Marathon Syndicate, itself a project building on Marathon Rubicon.

Maps are by myself. Project Syndicate was by Cryos, Drictelt, effigy, Goran, Lhowon and John Doe; the maps rely on some textures and a terminal picture by others in the team.

2,474 downloads, 1 review, 0 screenshots, 5.0 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.

1,543 downloads, 2 reviews, 1 screenshot, 3.0 rating

Here it is, at last: Marathon TROJAN. Now compatible with Aleph One (1.3 or newer), this uses the native M1 files to deliver the original, unaltered experience we know from the 90's.

M1 compatible fullscreen HUD plugins will work with TROJAN if you don't want to use the included Classic HUD plugin.

Additional files include the Weapons Pump Patch, FAQ, Manual, Spoiler Guide, and read me's from older versions of TROJAN.

Special thank you to Hamish Sanderson for giving us permission to distribute this re-release of TROJAN. Enjoy!

Update 3/3/25 - You can also find a Trojan standalone edition here https://hhas01.itch.io/trojan-se

"James’ Trojan AO scenario (2020) is a highly faithful warts-n-all port of the original M1 Trojan. This was important for historical preservation of early Marathon history, but not a great gameplay experience itself.

Trojan Standalone Edition (2021) made numerous fixes and enhancements to James’ scenario and customizations to the engine code. That’s why it’s released as Standalone Edition, not an add-on."

4,634 downloads, 5 reviews, 5 screenshots, 3.6 rating

Xmas 1 is the first in a series of collaborative single-player projects. It consists of 5 levels.

Contributors: Goran, RyokoTK, Drictelt, Zero

Notes for version 1.2:

I retrieved this scenario from fileball.whpress.com, unstuffed it, zipped it, and uploaded it here.

2,453 downloads, 2 reviews, 0 screenshots, 5.0 rating

Winter 1 is the first and only episode in the series of collaborative single-player projects that was supposed to succeed the Xmas trilogy. It consists of 7 levels.

Contributors: Drictelt, Shadowbreaker, $lave, Axle_Gear

Notes for version unburied.0:

Apparently this scenario had gone lost. This is what I found on my backup drive. I suspect it is the final version, but I'm not entirely sure.

2,497 downloads, 0 reviews, 0 screenshots

This is an English translation of the Aleph One scenario "Blauwe Vingers", originally in Dutch. All due credit for the original scenario and game content belongs to Tim Vogel and Stage Game Studio. The translation was the combined effort of myself, Drictelt, and Google's translation service.

This is a translation of the map file only, which means only terminal text, map text, level names, and console text are translated. Everything else, like interface text, loading screen text, and audio, is unchanged at this time.

To install, move Kaart.sceA into the "Data" subfolder of your Blauwe Vingers installation. For more information, see the included read me file.

Enjoy!

Notes for version 1.2 English:

This is the first release, compatible with Blauwe Vingers 1.2.

2,978 downloads, 2 reviews, 1 screenshot, 5.0 rating

After all, what is a metastable AI but an electric god?

You've been sent by Durandal to assist a UESC assault on the Vylae homeworld. As Pfhor resistance crumbles, a strange discovery offers new opportunities... and new perils.

A mini-scenario for Marathon Infinity. Eight levels, plus one interstitial and one secret bonus level.

Notes for version 1.2:

Notable changes in v1.2:

• Added chapter screens
• Added bookend levels (Before Top Dead Center and All Farewells Are Sudden)
• Fixed issues with respawning Super Troopers and chip insertion on Atom Heart Mother
• Tweaked story throughout to give more context for player actions and set up Part 3 (Coming Soon!)
• Fixed miscellaneous bugs and typos throughout

3,910 downloads, 5 reviews, 6 screenshots, 3.8 rating

NEFX loves you.

NEFX has been prolifically producing great Marathon/Aleph One inventions since 2017 (around 2.5 years after being founded) and uploading them to Simplici7y, in an increasing number of different upload pages that NEFX then frequently updates. This has occasionally lead to crowding of Simplici7y's front page with several different NEFX uploads, sometimes over a relatively short period. Understandably, some have objected to this as unfairly outcrowding and burying the wonderful contributions of our fellow travelers. We hear them. Therefore, to better serve the community as well as our Total Carnage Comrades, NEFX is now consolidating all additions and updates to its Marathon and Aleph One-related inventions on Simplici7y here on this one upload page, with a datemarked update timeline you can view below. Henceforth, all Marathon/Aleph One scenarios, campaigns, maps, mods, etc, and any updates to them, will be posted here. Of course, the webpage link connects to NEFX's Internet Archive homepage, where you can find all inventions by titled category. This includes:

NEFX Marathon Mods (i.e. physics files and Lua scripts for netplay)

NEFX Marathon Infinity Netmaps

NEFX Marathon Solomaps for others' scenarios, including the soundtracked 50-level pack for Aleph One: Wheels!

NEFX Marathon Mapmaking Templates for Weland

NEFX Marathon: Machina -- The Alien Machine Mind

NEFX Marathon: Keyfinder -- The Doomed Myth of Destiny's Halo

NEFX Marathon: Sucks

NEFX Marathon: Rules -- The Infinite Recombinations to the Way

NEFX Marathon: Pathsifter -- The Facing of the Legion Within

NEFX Marathon: Underrealm -- The Confronting of the Forgetting

NEFX Marathon: Colorguard -- The Grimmest Myriad Mirror

NEFX Marathon: Colorwash -- The Wresting of the Tides

NEFX Marathon: Ultramega Extreme Golfmaster Dinosaur Egg Championship Super Bowl 5000 3D -- The Quest

NEFX Marathon: BOBJam -- The Tranquil Chaos of Crowded Escape

NEFX Marathon: Revelation -- The Brutal Path to Knowing

NEFX Marathon: Nampa

NEFX Marathon: Encyclopedia -- The Rise of Bad Take Jake

NEFX Marathon: Corn Maze -- The Forced Wisdom of the Walls

NEFX Marathon: Shadervoid -- The Labywraths of Growth

NEFX Marathon: Green (You Snooze, You Lose)

NEFX Marathon: 52 Pickup

Thanks, everyone. We are glad to share this space with you.

Happy Carnage,

-Adminn_1

Update timeline:

[Pending]

214 downloads, 1 review, 1 screenshot, 1.0 rating