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"What a hoot! If you enjoyed revisiting Earth in Tempus Irae, you're going to really like your "Vacation In Vilcabamba". The mapmaking is excellent and more than sufficiently puzzly, the new textures are gorgeous, the terminals are completely proof-read, the AI is moderately twisted, and the monster placement is quite good, with a new baddie for you to wrestle with. My only disappointment was that it was only one level; I finished it cheering for more." Description by Rigger

Created by Daniel Thomas

I have applied the old Mac patches and converted to files that modern Aleph One will read. Enjoy! -Shappie

1,546 downloads, 2 reviews, 3 screenshots, 4.0 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.

462 downloads, 2 reviews, 1 screenshot, 5.0 rating

In this scenario shell from NEFX, you play golf...where you are your own ball and caddy. Get to the exit in as little blasts as possible, getting past various obstacles like ledges and liquid conveyors. There will be more levels for this too.

156 downloads, 0 reviews, 1 screenshot

KTA3: The Complete Masterworks is every Kill Them All map to date, as well as 12 new maps, in one massive 38-map mega-mini-scenario adventure.

If you want to play co-op, using Co-op.lua is nearly a requirement.

Notes for version 1.10:

Added two more maps and fixed a lot of bugs, mostly related to co-op.

4,296 downloads, 6 reviews, 1 screenshot, 4.8 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!

484 downloads, 0 reviews, 3 screenshots

A 35-level single player major conversion.

This scenario is difficult and action-packed; it features a full arsenal of new, powerful weapons, and more threatening enemies than you could ever want.

1.4 has new Lua features like a performance overlay, weapon buffs, a lot of little bug fixes; it also applies ammo capacity limits on Total Carnage. Requires Aleph One 1.5 or newer, probably!

Notes for version 1.4.2:

Adds graphics plugins by W'rkncacnter to improve weapons in hand and landscapes. On the linked webpage you can also find a download just for the plugins, which you should be able to drop into an existing 1.4.1 installation.

20,213 downloads, 40 reviews, 21 screenshots, 4.5 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.

815 downloads, 5 reviews, 6 screenshots, 5.0 rating

This is the public beta of an ongoing solo scenario project. So far, seventeen levels have been made, containing twelve full solo levels and a net map. Enjoy.

Contained are all the scenario files, along with music. Included is the Total Weapon Enhancement Pack as standard, with altered alien weapon DDSs. Latest Aleph One is required. Operates stand-alone.

Please can you review it? This is a beta after all, and it'll be greatly appreciated for future reference. ß)

Notes for version 1.10:

I was going to save up all the new additions for the 2.0 release. But hey. It's Christmas. ;)

1.10 - XBLA HUD added - Goran's Hi-Res Landscape Plugin added (modified) - Terminal glitch on Words Which I Command and Jjaro Jjaro Evolution fixed - Textural oversights on Lapsus Linguae, Vae Victis and Command fixed

1.9 - Two new full solo levels - Gameplay enhancement on all main solo levels (generally more difficult rather than easier) - 3x Canister DDS made blue rather than purple (oops) - Expanded texture files - Music files heartily expanded - Loads of smaller fixes - All teleportation errors fixed

5,814 downloads, 15 reviews, 15 screenshots, 4.3 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

1,332 downloads, 0 reviews, 4 screenshots

Lost Lands is a 25 level conversion I created entirely myself.
I started working on it when I was roughly 12 years old and I now consider it finished and in reasonably playable shape now that I am 25, 13 years later. As you progress through the game, you can see my mapmaking grow gradually more complex, and the way I grew pre-occupied with experimental and surreal mapbuilding techniques.

The official soundtrack is available here -

http://www.mixcloud.com/joshlandry798/lost-lands-soundtrack-part-1/

http://www.mixcloud.com/joshlandry798/lost-lands-soundtrack-part-2/

Notes for version 1.11:

This version is an overhaul of the shapes file, replacing many embarrassing pixelated textures with more thematic, color coded and polished looking artwork.

I've also included the "Previous AI" plugin with the install to avoid issues with monsters failing to activate.

2,907 downloads, 3 reviews, 8 screenshots, 2.7 rating

In this NEFX scenario shell, trawl through insane winding structures fighting humanoid enemies using the same weapons as you in order to retrieve chips.

436 downloads, 0 reviews, 1 screenshot

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.

566 downloads, 0 reviews, 0 screenshots

Phoenix Falling is a large M1 scenario of 44 levels featuring a new story with new characters, weapons, creatures, sounds, shapes, and more. (48 with secret levels and one network level)

Please keep in mind - there are bugs in this release. Most of these are caused by running the game in the Aleph One engine, which did not yet exist when the scenario was created. This used to be run with the original M1 engine.

Some of the largest known bugs are related to shapes not rendering correctly with chairs, tracer rounds from the brass gun, the weapon display in the HUD interface, and most of the new creature animations.

Repackaged for Simplici7y with permission from the Phoenix Falling creators, Matt & Andrew Schenk.

Notes for version 1.3:

This version has a fixed Map file that should allow terminals to function in the vacuum levels.

1,843 downloads, 2 reviews, 4 screenshots, 5.0 rating