Mods

• TTacticus's HD Weapon Packby TacticusThis plugin contains high resolution replacement shapes for the weapons of Marathon. Also replaces many items, projectiles, and effects. Note: Only works in OpenGL rendering mode.4.5k downloadsupdated 2 y ago
• WWidescreen Marathon 1 Classic HUDby TrovWidescreen version of Marathon 1's classic HUD. With this plugin loaded, the HUD graphics will automatically adapt to 4:3, 16:9, 16:10, and 21:9 displays. Adds additional inventory pages to fill the extra space. In netgames the extra page allows the scoreboard to be separate from the inventory di...4.0k downloadsupdated 2 y ago
• TTTEP v7by treellama512x512 textures by Tim Vogel. These were included with Aleph One's releases of Marathon from 2011-2021.3.0k downloadsupdated 2 y ago
• WWidescreen Marathon 2 Style HUD for Marathon 1by TrovMarathon 1's classic HUD, edited to cover less of your screen by matching the layout of Marathon 2's HUD. Don't worry, it keeps the blinky light! Adds a second inventory page, in netgames the extra page allows the scoreboard to be separate from the inventory display. Ultrawides are also supported...2.7k downloadsupdated 14 mo ago
• UUpdated Starscapeby treellamaA high resolution starscape plugin from Hopper. This was included with Aleph One's releases of Marathon from 2011-2021.2.3k downloadsupdated 2 y ago
• TTacticus's 3D Scenery Pluginby TacticusThis plugin replaces the various 2d scenery sprites in Marathon with 3D models. Note: Only works in OpenGL render Mode. Also turn off Bloom in the graphics options. There may be some bugs here and there.2.1k downloadsupdated 2 y ago
• EEupfhoria - Marathon Soundtrack Remakeby ThrokgaarEupfhoria is a fully re-instrumented and re-scored soundtrack mod for the first Marathon. This replacement tries to remaster the original soundtrack while retaining the original feel. It IS the tracks you know and love, as it's based off the original MIDI files. Most tracks should fuller and more...1.5k downloadsupdated 2 y ago
• MMarathon Texture Renewal Project: Monster Moduleby RockThis is a Collection of Texture upscales for Classic Marathon, all textures have been upscaled by a factor of 4 with the intention to keep as much detail as possible. This is a little weekend project that ended up taking a few more days than planned, please be aware that some textures still need...1.5k downloadsupdated 2 y ago
• MMarathon Menu Themeby treellamaA theme based on the Marathon menu. Make sure to disable the built-in System 7 theme in Preferences -> Plugins, or it will override this subscription.1.4k downloadsupdated 2 y ago
• MMarathon Texture Renewal Project: Surfaces Moduleby RockThis is a Collection of Texture upscales for Marathon, all textures have been upscaled by a factor of 4 with the intention to keep as much detail as possible. This is a little weekend project that ended up taking a few more days than planned, please be aware that some textures still need some wor...1.3k downloadsupdated 2 y ago
• BBasic Co-opby treellamaThis script adds some basic quality-of-life improvements to Marathon's default cooperative play: Shares weapon and ammo pickups between players Restores previous weapons and ammoes after respawning Respawns players at the last pattern buffer any player activated If the respawn point is under lava...966 downloadsupdated 2 y ago
• MMarathon OST RePfhorgedby Max_CarnageReplacement mod for Marathon original OST to a fan made one. Youtube Playlist: The plugin should work automatically when you restart the game, but just in case it doesn't... Instructions: 1) Hit subscribe on the Steamworkshop. 2) Launch Classic Marathon. 3) Press "Preferences" on the main menu. 4...897 downloadsupdated 2 y ago
• MMarathon Texture Renewal Project: Weapons moduleby RockThis is a Collection of Texture upscales for Marathon, all textures have been upscaled by a factor of 4 with the intention to keep as much detail as possible. This is a little weekend project that ended up taking a few more days than planned, please be aware that some textures still need some wor...864 downloadsupdated 2 y ago
• BBasic HUD w/ Alpha (M1)by 76561198976808668An evil hack of the Basic M1 HUD (as included with most A1 releases), but it has transparency, and is decorated slightly, so it's awesome. Does Basic HUD's opaqueness get in your way? Do you like Enhanced HUD, but just can't get past the lack of the inventory panel? Then this might just be for yo...824 downloadsupdated 10 mo ago
• SSomewhere In The Heavens... There is an M1 Song Plugin...by SmytsidianSomewhere In The Heavens uses the Marathon 2026 album with the same name to replace the OST from the first Marathon game. It aims to be as faithful to the vibe as possible with careful music placement. I go by Smytsidian on the unofficial Discord so if you have any problems or believe a song from...741 downloadsupdated 7 mo ago
• MMaraMag FloatingX HUDby Lowpoly_CactuarI discovered the original version of this HUD while trawling through my copy of the Marathon Trilogy Boxset. I've always preferred it to M1s original HUD when I'm in the mood for the more chunky giant UI from the vanilla game. However sometimes I just want something a little less huge, so I spent...711 downloadsupdated 18 mo ago
• OOriginal Mac Fonts for Marathon 1by OpenRiftThis mod restores the original fonts used in the Macintosh version of Marathon. NOTE: This only works with the DEFAULT HUD, custom HUDs have been reported to have issues with this plugin, so experiment at your own risk.581 downloadsupdated 2 y ago
• HHalathemeby HopperA GUI theme for Aleph One inspired by menus and setup screens in Halo. Because you want a change of scenery and you know it.344 downloadsupdated 2 y ago
• EEncompassingby HopperA straightforward HUD with a compass (in OpenGL mode).309 downloadsupdated 2 y ago
• OOriginal CD Audioby HyperSome CD-ROM releases of the original game shipped with hidden audio files containing high-quality compositions of certain in-game audio tracks. These tracks have been losslessly ripped and manually cut/looped by me for seamless playback within their respective levels. Only seven of the game's six...244 downloadsupdated 5 mo ago
• SSquared Awayby HopperA graphics-free HUD with a blocky aesthetic.228 downloadsupdated 2 y ago
• PPl8inumby HopperA GUI theme inspired by the "Platinum" interface of Mac OS 8 and 9.215 downloadsupdated 2 y ago
• SShin Marathon Tensei v1by 76561199105616216This is a music mod that takes music from the 90s era of Megaten and places it throughout the campaign. Audio names are labeled on their respective .ogg tracks. All rights to ATLUS for sound.144 downloadsupdated 2 y ago
• AAuxiliary Star Port 4226by Red.PigMy first (and thus far only) Marathon map. Made it back in May and let it collect dust until workshop support was added. Probably plays like shit, none of my friends wanted to test play it with me and gathering a network game full of randoms can take up to 12 years.108 downloadsupdated 2 y ago
• RRemastered SoundsOriginal plugin by The Man from here: Repackaged for convenience. Original description: My long-overdue remastered Marathon 1 sounds. They should be noticeably less noisy, crisper, and (in some cases) less distorted than the originals - even more so than my remastered Marathon Infinity sounds, si...53 downloadsupdated 3 mo ago
• RRestored Marathon OST 2021by 76561199184096113A repackage of the entire original Marathon OST with restored sound into a portable AlephOne plugin. A custom plugin Made by me (PXL_SOLDIER), with love for the original marathon. My steam profile: Music made by ckt1138. His music files were obtained from here: His original description says this:...45 downloadsupdated 3 mo ago
• SSee You Starside: The Marathon Soundtrack Reimaginedby aaronjfreedPreview on YouTube: “Great stuff, at times almost completely unrecognizable (in a good way), and quite ambitious! Great listen for those wanting a fresh take on the motifs and melodies of this old obscure game soundtrack.” “This album does a great job of replicating that weird and wonderful natur...41 downloadsupdated 18 mo ago
• RRed Lightby HopperAdd the gameplay of "Red Light, Green Light" to your next netgame. If you move during the Red light, you die! Important: do not host with the "Netscript" game type! Red Light works on top of the standard games: EMFH, CTF, etc. Version 1.1, by Hopper and Sharkie Lino.32 downloadsupdated 2 y ago
• EEnhanced HUD RedSimple edit of the Enhanced HUD plugin inspired by the Marathon: Red total conversion. Tested and working in singleplayer campaign, not sure about multiplayer or custom scenarios. Does NOT affect the main menu or automap.25 downloadsupdated 5 mo ago

29 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.