Aleph One (formerly known as the Marathon Open Source Project) is a free and open-source first-person shooter engine based on the source code of Bungie Studios' Marathon 2: Durandal. The project commenced in early 2000, when Bungie released the code shortly before being acquired by Microsoft and spurred the fan community to further develop it. Since that time, Aleph One has become a successful project in terms of development and community support. Most modern-day and die-hard Marathon enthusiasts use Aleph One due to its enhancements over the original games and the fact that it is playable with today's platforms. Its name is taken from the second infinite cardinal number in transfinite arithmetic and references Marathon Infinity, the final game in the Marathon Trilogy.

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Marathon in Aleph One Screenshot
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About Aleph One with 4 comments by xilefian on Feb 18th, 2010

"Major highlights for this release include an entirely new modern 3D renderer option, a plugins system, PNG screenshots, Lua API improvements, and bug fixes. You can read the complete release notes here: Downloads.sourceforge.net"
-Treellama; Aleph One developer

The one big thing about this release is that OS X 10.4 is now a requirement, not the predicted 10.3.9, it's 10.4 or stick to 0.22.
Some net games will be compatible between 0.23 and 0.22, rugby is not though and maps with the new lua functions obviously won't work.


Here's some images of the shaders in-game (Note the corrected perspective)


What are you waiting for? Download the new build!

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Games
Marathon

Marathon Marathon

Updated 6 months ago Released Dec 17, 1994 Single & Multiplayer First Person Shooter

You are a security guard who accompanied a group of space colonists on their trip on the huge space ship, the Marathon. Suddenly, aliens who call themselves...

Marathon 2: Durandal

Marathon 2: Durandal Marathon 2: Durandal

Updated 6 months ago Released Nov 23, 1995 Single & Multiplayer First Person Shooter

Marathon 2: Durandal was the first sequel in the Marathon series of science fiction first-person shooter computer games from Bungie Software. It was released...

Marathon Infinity

Marathon Infinity Marathon Infinity

Updated 6 months ago Released Oct 14, 1996 Single Player First Person Shooter

The third title of the three games collectively known as the Marathon Trilogy, you reprise your role as a security officer, you must rewrite time to stop...

Post comment Comments
Guacho
Guacho Dec 2 2011, 12:18pm says:

How do I mod this?

+1 vote     reply to comment
.Shiki
.Shiki Jun 4 2011, 8:33pm says:

bungie made it freeware BTW whats an ODST ?

+1 vote     reply to comment
JohnFreemanFYEAH
JohnFreemanFYEAH Nov 17 2011, 4:42pm replied:

Orbital Drop Shock Trooper

+1 vote     reply to comment
fier_
fier_ Jun 15 2010, 9:45pm says:

Xilef, you forgot .23.2

+1 vote     reply to comment
Wolf633
Wolf633 Oct 13 2009, 9:37am says:

yes, a good old game like game. makes fun!

+1 vote     reply to comment
leilei
leilei Sep 26 2009, 12:51am says:

It is not public domain.

+1 vote     reply to comment
xilefian
xilefian Sep 26 2009, 5:51am replied:

It's GPL, I am wondering why it says that.
How can you edit it out?

+1 vote     reply to comment
micom1318
micom1318 Jun 19 2009, 3:12pm says:

I love this game and I love halo :P

+1 vote     reply to comment
Darklord42
Darklord42 Nov 21 2008, 3:46pm says:

Haha finally. Despite being a really old, this game is a lot of fun, and has a way of drawing people in for long periods of time. Really, try this on the internet. It's a real blast.

+1 vote     reply to comment
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Release Date
Released Jan 17, 2000
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