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Classic Marathon Infinity

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Nathan's Classic Marathon Infinity Maps
   
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Description
This is all of Nathan's Classic Marathon Infinity Maps for free download. These were originally created around 1998, and were updated in 2025 with corrections and tweaks to help make them fun on modern hardware. Classic Marathon Infinity is free on Steam. All of these maps should run great on PC and SteamDeck.

Hit "Subscribe to all" to install everything all at the same time!
Items (19)
Big Doughnut
Created by metahelion
This level made in 1998 features a giant circle, lava pit, and walls for dodging. This level was made based on a Mario Kart 64 level. It's a lot of fun with 3+ players. Supported Multiplayer Modes: Multiplayer Carnage (Every man for himself)...
Vacation at Last
Created by metahelion
You finally got time off to relax on the beach, when you're pulled back into space to help Eignub in this 6 level space shooting adventure....
Cyrano de Marathon - Map
Created by metahelion
Journey back to the year 2000. Metahelion had an English class that allowed him to swap a book report for a Marathon scenario! In this Classic Marathon Infinity scenario, you enter the world of Cyrano de Bergerac. Explore a few different levels based on th...
Cyrano de Marathon - Shapes
Created by metahelion
This is the Marathon Infinity Classic Shapes / Textures file for the scenario Cyrano de Marathon. Subscribe to add it to your Classic Marathon Infinity. Select it in Preferences - > Environment. If you haven't already, you can subscribe to get Cyrano de Ma...
Lego Bob
Created by metahelion
Select this shapes file in Preferences -> Environment, and now the Bob's in your game will be made of Lego! The map file from the video and images is at: https://gtm.steamproxy.vip/sharedfiles/filedetails/?id=3476165371...
ICE Rink
Created by metahelion
Check out this Marathon ICE Rink. You slide around on the ice as you move. The rink has friendly or hostile aliens, depending on which version you load in the Terminal system....
My House
Created by metahelion
My house growing up in the San Francisco Bay Area in the 2000's. Now with 100% more aliens and Bob's battling it out....
Save Bob!
Created by metahelion
The Bob's have created a new base, featuring automatic doors that open when you walk up to them. Because the base is so new, it isn't fully stocked with ammo. The base unfortunately was invaded with aliens before they could fully stock the base. In this ma...
Log Ride in the Mountains
Created by metahelion
In this map, the powered water moves you along the water ride route. Along the way, there are several monsters and bobs battling it out. Lookout for the big drop and splashdown at the end!...
Blue Water Rapids
Created by metahelion
Made in 1996 by Nathan Trebes, this small level is a water ride. The water in the map drives you along aliens and bob's battling it out....
Nathan's Pyramid
Created by metahelion
Made in 1998, this map features impossible architecture for Marathon....
The Beach
Created by metahelion
Made in 2000 by Nathan Trebes, the beach features a giant working beach with moving waves that come in and out. This was new for Marathon at the time....
Alien Theater
Created by metahelion
Made in 1998 by Nathan Trebes, this small map features a stage where you can watch aliens and bob's battle it out. Sometimes the fight reaches into the audience!...
Sky Lava Pits
Created by metahelion
This multiplayer map features multiple pits that you can fall to your eventual death in. This map is fairly simple and compact, which keeps the conflicts fast and quick. Supported Multiplayer gametypes: Multiplayer Carnage (Every man for himself), King of ...
Cool Net Level
Created by metahelion
This multiplayer map supports up to 8 players, and is the most fun with 3+ players. It features a trap lava staircase, a large arena for Man on the Hill, and some unique sky bridge architecture. Supports: Multiplayer Carnage (Every man for himself), King o...
The Square
Created by metahelion
In this multiplayer map, all contestants are funneled through a weapons and ammo river, fully loaded up and ready to fight in The Square Arena. Look out for flying rockets! Best with 3+ players. Supported Game Types: Multiplayer Carnage, King of the hill....
The Hill
Created by metahelion
This multiplayer Classic Marathon Infinity map features a central hill with multiple attack points, and multiple ledges to attack the hill from. This map is best with 3+ players. This map supports the following game types: Multiplayer Carnage (Every man fo...
Kill your Gondola
Created by metahelion
In this Classic Marathon Infinity level, there's a central tower surrouned by ledges from which multiple players can attack. Multiple elevators and vantage points keep this multiplayer map exciting. This map is best with 3+ players. Supported Game Types: M...
Marathon Bowling
Created by metahelion
In this multiplayer map, enjoy a bowling alley full of aliens! The objective is to bowl away as many aliens as possible. This map also features a unique physics model, giving you a special bowling ball to use in the rocket launcher, This map is best with 2...