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Set in the 22nd century, Mass Effect, developed by BioWare Corporation, is a third-person, role-playing shooter that focuses on the story of Commander Shepard, an Alliance Marine who must do everything possible to save the galaxy from the Reaper threat.

Mass Effect: Unification is a total-conversion mod that adds the Mass Effect era to Instant Action. As of v1.2 (R5), you can fight as the Systems Alliance, the Heretic Geth, the Collectors, or the Evolved Geth on three new custom maps, all of the stock maps, and all maps from the Sol Map Pack.


Tweet #meunification

Main Developers:
- Marth8880 (Lead Designer, Lead Scripter, Level Designer, Environment Artist, Weapon Artist, Particle Effects Artist, Lead Animator, Sound Designer, Localization)
- THEWULFMAN (Co-Lead Designer, Weapon Artist, Character Artist, Particle Effects Artist, Level Designer, Sound Designer, Public Relations)

Other Contributors/Supporters:
- The Nasal Abyss (Character Artist)
- Scott_W.Pilgrim (Weapon Artist, Environment Artist)
- AQT (Scripter, Environment Artist, Level Designer)
- RogueKnight (Weapon Artist)
- Cerfon Rournes (Scripter, Weapon Artist)
- Fiodis (Environment Artist, Level Designer)
- Willinator (Environment Artist, Level Designer)
- yuke5 (Level Designer)
- zwyx1234 (Weapon Artist)
- Nedarb7 (Various scripting help)
- Kinetos Impetus (Animator, various scripting help)
- DarthD.U.C.K. (Animator)
- Maveritchell (Various scripting help)
- archer01 (AI Hero Support script)
- RunawayJam (Voice Actor)
- FlashMC (Voice Actor)
- Redwiz (Advice, General Support)
- PatrickKosick (Advice, General Support)
- Teancum (Advice, General Support)
- Ryan Gilbert (Configuration Utility)
- CG Textures (Textures)
- Genetica Viewer (Textures)
- Google Images (Textures)

- Frayed Wires Studios
- 411 Remnant

Please note that the mercenary gangs, Reaper Forces, and Cerberus are not implemented in the latest version (v1.2, R5). They are still being actively developed and will be added in later versions.


- Eden Prime
- Prothean Skyway
- Virmire


- Coruscant
- Dagobah
- Death Star
- Endor
- Felucia
- Geonosis
- Hoth
- Jabba's Palace
- Kamino
- Kashyyyk
- Mos Eisley
- Mustafar
- Mygeeto
- Naboo
- Polis Massa
- Tantive IV
- Utapau
- Yavin 4


- Earth: Luna
- Earth: Pioneer Trails
- Mars: Geryon Montes
- Titan: Xanadu
- Venus: Research Station


- Lotashi Z: X Province


- Tuchanka
- Space: Omega
- Noveria
- Pragia
- Rannoch
- Alchera
- Korlus
- Illium

YouTube Policy FAQ:

Q: Can I upload a video of your mod to YouTube?
A: Yes, of course! But, you must include a link to this Mod DB page in the description!

Q: Can the video include commentary?
A: Definitely! In fact, we encourage and greatly appreciate commentary!


Tweet #meunification

Property of Frayed Wires Studios

Image RSS Feed Latest Screens
PC Gamer Mention (May 2015) New HUD (v2) New HUD
Blog RSS Feed Report abuse Latest News: R6 News Update #1 (OPEN BETA)

0 comments by Marth8880 on Jun 28th, 2015


Yep! That's right! Seeing as how it's Summer and I'm on break, I figured I'd publicy release what I've worked on during my past few seasonal two-week breaks. Among various other updates - such as improved rifle and pistol animations, and new CTF mechanics - you can finally test out the brand new custom HUD that I designed as well as Endor, which is finally supported! (special thanks to AQT for revamping the map) Not only that, but you can download and test them out right now in the open beta! I'm releasing another open beta because I need feedback, and seeing as how I got a decent amount of it from the previous open betas, I've decided to let you all give things a shot and help debug the mod! (A third time!)

Want a complete list of the changes and additions that are included thus far in this patch? Follow the second link below!

View Build Manifest
View R6 Change Log


To install the patch, view or download the build manifest by following the first link above; the build manifest contains everything you need to know about this build. As soon as you have the build manifest open, next to "File Path," follow the link "Patch Version (R5-R6) (Mediafire)" to download the R6 production patch setup file.

If you do decide to play the open beta, I implore you to not just pass up any bugs you encounter as things that "somebody else reported/will probably report," but instead take the 5-10 minutes to report the bugs. It's easy, it doesn't take very much time, and it will help improve the mod. Don't feel obligated to report things, but keep in mind the simple fact that the quality of the mod is largely based on the bugs that are and are not reported.

Report a Bug

Media RSS Feed Latest Video
Downloads RSS Feed Latest Downloads
Sol Map Pack (R1)

Sol Map Pack (R1)

Oct 2, 2014 Full Version 12 comments

Includes Earth: Luna, Earth: Pioneer Trails, Mars: Geryon Montes, Titan: Xanadu, and Venus: Research Station. The Sol Map Pack is a map pack whose maps...

Mass Effect: Unification R5 (Standalone)

Mass Effect: Unification R5 (Standalone)

Oct 2, 2014 Full Version 41 comments

** COMPLETELY STANDALONE - DOES NOT REQUIRE ANY PREVIOUS VERSION ** --- Many people think Mass Effect 3's Multiplayer should have been more similar to...

[OLD] Mass Effect: Unification R4 (Standalone)

[OLD] Mass Effect: Unification R4 (Standalone)

May 17, 2014 Full Version 13 comments

** COMPLETELY STANDALONE - DOES NOT REQUIRE ANY PREVIOUS VERSION ** --- Many people think Mass Effect 3's Multiplayer should have been more similar to...

[OLD] Mass Effect: Unification R4 (Patch R3-R4)

[OLD] Mass Effect: Unification R4 (Patch R3-R4)

May 17, 2014 Patch 8 comments

** REQUIRES WORKING R3 INSTALLATION ** --- Many people think Mass Effect 3's Multiplayer should have been more similar to Battlefield or Battlefront with...

[OLD] Mass Effect: Unification R3 (Retail Version)

[OLD] Mass Effect: Unification R3 (Retail Version)

May 5, 2014 Full Version 8 comments

Many people think Mass Effect 3's Multiplayer should have been more similar to Battlefield or Battlefront with large-scale epic battles and the like...

[OLD] Mass Effect: Unification R3 (Steam Version)

[OLD] Mass Effect: Unification R3 (Steam Version)

May 5, 2014 Full Version 45 comments

Many people think Mass Effect 3's Multiplayer should have been more similar to Battlefield or Battlefront with large-scale epic battles and the like...

Post comment Comments  (1060 - 1070 of 1,918)
ConstantinoP. Jan 30 2013, 10:50am says:

Hello, is there any release estimate on the upcoming patch? Thank you.

+2 votes     reply to comment
Marth8880 Creator Subscriber
Marth8880 Jan 31 2013, 12:42am replied:

Hopefully within the next several weeks. Like, six weeks maximum, hopefully.

+4 votes   reply to comment
ConstantinoP. Jan 31 2013, 12:01pm replied:

Thanks for the reply Marth. I was wondering, will it include a Geth vs. Collector match up? Also, have you considered rebalancing the Geth pulse rifle(making it more accurate)?

+2 votes     reply to comment
RunawayJam Feb 1 2013, 5:10am replied:

Realistically that isn't the best idea in terms of canon. Assuming the Geth are the Heretics, which they would be because they are the same geth fighting the alliance. Now the heretics (to my knowledge) follow the reapers, and the collectors are indoctrinated by the reapers, for that reason it would be like the reapers trying to battle themselves.
However the 'Old Units' (I think they are called) vs the collectors would make sense.
Sorry for the long response :p

+2 votes     reply to comment
ConstantinoP. Feb 1 2013, 11:24am replied:

Geth are Geth, therefore it would be impossible to discriminate between Heretic and Non-Heretic Geth. I would certainly like to see a Geth vs.Collectors match up for the sake of game play and variety, but I do agree that some assumptions will have to be made depending on the match up. I do not think that this should translate into more work for the developers though, and that there should only be one Geth faction with one name. Sorry for the longer response. :)

+1 vote     reply to comment
DylanRocket Jan 28 2013, 8:49am says:

It's released now?Never noticed.I might try it out.

+1 vote     reply to comment
emphan34 Jan 28 2013, 2:23am says:

Now I downloaded this about a week ago, been playing it quite a bit playing every map possible etc and bearing in mind this is the first version. This is by far the best mod I have ever played! apart from the obvious things here and there, I would have almost been convinced this was the full thing :) Well done, 10 out of 10 :D I also found sheppard kind of under powered, more just a regualar with more weapons and more health really.
In response to tango I don't believe the harbinger was over-powered, the geth prime is pretty OP I believe, I was on felucia, was losing by quite a bit busted out the prime and completely turned the tables, as the harbinger in similar situations I still get hammered.

+3 votes     reply to comment
Marth8880 Creator Subscriber
Marth8880 Feb 1 2013, 6:56am replied:

Thank you very much for your feedback!

+1 vote   reply to comment Jan 25 2013, 12:41pm says:

I've been playing the hell out of this mod. This is seriously my favorite mod of all time and I'll definitely be voting for it for Mod of the Year in 2013, but a few constructive criticisms, if you wouldn't mind then.

- Harbinger is a bit OP. You and pretty much sweep an entire platoon using Heavy Scorch and Singularity Rupture.

- Discounting the Grenade Launcher, Infiltrator Shepard feels a bit weaker than the Alliance Infiltrator. Maybe replacing the base Mantis with an Armor-Piercing Viper or a Widow, maybe? I would say Incisor, but I HATE that thing.

- The Geth Trooper definitely needs a boost. The GPR is really inaccurate (Cross-series, it was actually pretty accurate) and I know Pulse Grenades are EMPs, but they are a bit weak even in that field. Combine that with the Geth's low health, they're pretty easy target practice.

Just thought I'd post some ideas. :-)

+4 votes     reply to comment
THEWULFMAN Jan 25 2013, 2:37pm replied:

In all honesty I haven't ever tested Harbinger personally.

Shepard probably will get a buff as we go, giving him better weapons. Widow or Black Widow, we'll decide later.

We'll see if we can change the Trooper without breaking balance.

We thank you for your support.

+1 vote   reply to comment
Walrod Jan 24 2013, 7:11pm says:

You know what would be awesome?
Turians with Jetpacks!

It's totally canon... So nobody can complain of their existence on this mod.

+2 votes     reply to comment Jan 25 2013, 12:30pm replied:

An Armiger Legion Turian would make an interesting N7 Specialist for a future relese, yeah. Though I think it'd have the Jump Pack instead of the Jet Pack, probably for balancing reasons.

+1 vote     reply to comment
Walrod Jan 25 2013, 1:06pm replied:

You are right, a Jump Pack will work better. Not only for balancing reasons, but also fidelity:
Those guys don't fly in ME3.

+1 vote     reply to comment
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Release Date
Released Sep 30, 2014
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122 votes submitted.

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Highest Rated (13 agree) 10/10

I have not even played it and it is amazing

Jan 12 2013, 10:40pm by SirErwinRommel

Third Person Shooter
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