Mods / Scenario

• AApotheosis Xby hypersleepA total conversion featuring 24 levels of relentless carnage brought to life with an entirely reimagined roster of aliens, all-new weapons, stunning textures and scenery, high frame rate animation, new sounds and an ambient-industrial soundtrack. The campaign features a modern approach to Maratho...2.7k downloadsupdated 2 y ago
• AAleph One: Pathways Into Darkness (AOPID)by wrk_aopidThis is a port of the 1993 mac game "Pathways Into Darkness" by Bungie to the Aleph One engine. This is not an official version of Pathways Into Darkness, I am simply a fan of the game and made a best effort attempt to recreate it in the Aleph One engine. If you want a completely accurate version...1.6k downloadsupdated 2 y ago
• MMarathon: Rubicon Xby treellamaRubicon X is a free, cross platform, first person shooter that continues the story of Bungie’s Marathon trilogy. First released as Marathon: Rubicon in 2001, Rubicon X is a complete overhaul of the original. It features all new high-resolution artwork, new and updated maps, and enough surprises t...1.1k downloadsupdated 2 y ago
• TTempus Irae Redux (2025)by 76561199834453081Tempus Irae Redux is the classic Marathon Infinity scenario, remastered. This final release features enhanced HD graphics, with every single texture having been completely rebuilt from scratch. In addition, several new textures have been created (including animated textures), and the four origina...987 downloadsupdated 20 mo ago
• MMarathon: Istoriaby windbreaker777Marathon: Istoria is an 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 your class and deciding which weapons you want to spe...885 downloadsupdated 2 y ago
• MMarathon: EVILby FrigidmanSo it Begins You've played the Marathon Trilogy until your hands spasmed. You risked friendships and relationships to get to the end. Finally you completed the Marathon Trilogy, and thought your trials were ending. You were wrong. You awake aboard a UESC Ship that has just fallen through an anoma...676 downloadsupdated 2 y ago
• MMarathon Phoenix v1.4.2by RyokoTKA 35-level single player total conversion, featuring an entire all-new arsenal of weapons, massive levels, and an intensity and scale of combat not seen in the Marathon Trilogy.662 downloadsupdated 2 y ago
• DDurandal Done Differentby RyokoTK- v1.0.1 [7-15-25]: primarily fixed an evil spawn point on map 21 In celebration of the 30th anniversary of Marathon 2's release, this is a 28-level scenario using the same story of the original game and similar constraints, blending together classic and modern level design styles to make an exci...576 downloadsupdated 16 mo ago
• MMarathon REDby treellamaReleased September 2, 2000, Ian McConville's survival horror-esque conversion Marathon RED is widely known as the single most difficult of the original Marathon Infinity-era conversions. Marathon RED features a new arsenal of weapons, new monsters and textures. This version, converted with automa...564 downloadsupdated 23 mo ago
• MMararthon: Yugeby seagoatMararthon: Yuge is a 30 level scenario, plus 225 secret levels for many extra hours of gameplay. Yuge is a community project that was created in 2017 with procedural level generation using rooms that were mapped by hand. Mappers contributed rooms of various design and size, which were then fed in...318 downloadsupdated 2 y ago
• DDivine Twilight Chapter 1by KiwiYou are a doll An undead with the heart of a human made to serve. You are tasked with fighting to serve the Life Vessel, a massive vehicle carrying what remains of humanity. The world is dead, ruled by the undead and gods made by humanity's own hand. You are strong Your mutated body gives you eno...306 downloadsupdated 3 mo ago
• PPfh'Joueurby treellamaPfh'Joueur is a classic 19 level scenario by the late Candace Sherriff (shebob). This version, converted with automated utilities to work with Aleph One, is also available from254 downloadsupdated 2 y ago
• DDivine Twilight Prologueby KiwiA sketchy scenario with a distinct lack of color! This is both a prologue and a single level demonstration for Divine Twilight, a 16+ level scenario done in its own art style with its own setting apart from Marathon. It even comes with its own HUD and menu screen! Wake up in a strange place and m...236 downloadsupdated 15 mo ago
• NNEFX - Marathon: Extraction Shooter (You Snost, You Lost)by 76561199234239363In this fully soundtracked and terminaled 256-level hub-based scenario for NEFX, grab as many items as possible and survive as long as possible in a series of deathscapes. Released on 09/23/25, the original planned release date for Bungie’s official new (extraction shooter) Marathon game before i...175 downloadsupdated 13 mo ago
• MMarathon 2 Special Editionby TophetThis is Marathon 2, but with high res textures, weapons, shots, translucent liquids, AI generated landscapes, new classes of existing Bobs and baddies, plus the Marathon Automated Defense Drones and Drinniol from Marathon 1 and VacBobs from Marathon Infinity make their debut within this scenario...165 downloadsupdated 18 mo ago
• CClassic Tempus Irae (2006)by 76561199834453081* FOR THE CURRENT NEW FANGLED VERSION, GO GET "TEMPUS IRAE REDUX" (2025)! * Over the years Nardo has received numerous requests for an Aleph One version of "Tempus Irae", and that day has arrived. Thanks to the tireless and efficient efforts of Gregory Smith, and the Never Satisfied work ethic of...155 downloadsupdated 19 mo ago
• NNEFX - Marathon: Sucksby 76561199234239363In this entire 50-level scenario from NEFX, complete with an entire original soundtrack, you navigate strange, puzzling, and sometimes perilous terrain to clean up hard dust balls with your trusty Yucatan Suckaman™ vacuum cleaner. Just watch where you step, and be sure to empty the bag often so t...133 downloadsupdated 2 y ago
• MMegiddo Gameby 76561199834453081James Hastings-Trew's Grand Prize Winning entry into Bungie's 1997 Marathon Mapmaking Contest. Below is the Read Me that was included in the upload, as well as the response letter from Bungie upon receiving an entry into the contest. Megiddo Game description: No. of Levels: 3 (4 really, but the f...121 downloadsupdated 7 mo ago
• DDivine Twilight Chapter 2by KiwiThe cycle cannot be so easily broken. Though you escaped the Night's attempt to lay claim to your mind, surely you will awaken to little more than another round of the same thing as before. Your weapons are stronger, deadlier. Some of your old friends have new faces, new forms, or even new functi...120 downloadsupdated 2 mo ago
• DDeparture (version 2.1)by samuel.green40This scenario connects the end of Marathon 2 to the beginning of Marathon Infinity. It is hoped that playing through the events in Departure gives a newcomer to Infinity the context to work out some of Infinity's major plot events as they encounter them in game, rather than working them out later...114 downloadsupdated 15 mo ago
• NNEFX - Marathon: Rules - The Infinite Recombinations to the Wayby 76561199234239363In this entire 50-level scenario from NEFX, complete with an entire original soundtrack, you solve platform puzzles to reach the Shells of Ascension and escape. Get ready for some hardcore platform puzzling!97 downloadsupdated 2 y ago
• DDivine Twilight JPby Kiwi色が明らかに欠けている、大ざっぱなシナリオです。これは、Divine Twilight のプロローグであり、1 レベルのデモでもあります。Divine Twilight は、オリジナルのゲームとは別の独自のアート スタイルと設定で作成された 16 レベル以上のシナリオです。独自の HUD とメニュー画面も付いています。 見知らぬ場所で目を覚まし、自分が何者なのかを知るかもしれません。 このデモは、これから登場するゲームのごく初期段階ですが、プレイ可能な形式を表しています。現在の形式では少し簡単なので、少しチャレンジしたい方は Total Carnage まで上げてください。Kiwi は、...38 downloadsupdated 2 y ago

22 scenario mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.