Gears of War

To do this achievement you must start from the very beginning of the game and finish all chapters and acts to the end. It doesn't have to be done in one sitting, but each chapter and act must be finished (difficulty also doesn't matter). Also this must be done in co-op (local or on LIVE) and you must NOT be hosting

Follow the guidelines for the other Dom achievements and you will have this one in the bag easily, as well as these along the way:


Note: Just like in Gears 2, the tutorial at the beginning of the game counts as a "chapter" so if you don't get the achievement after finishing the game, make sure and try and do the tutorial at the beginning of the game first, to avoid having to make a possible 2nd run through.

Alright this is to try and help those who didn't get this achievement.
While searching for solutions I came upon a couple.
1. Do the tutorial at the very beginning of the game.(This is what I read, didn't really work for me.)
2. When you join a game it doesn't automatically let you control Dom, so I think there is a certain time limit that you have to start controlling him. I remember my second time joining my friend I watched him run up some stairs before I took control of Dom.

This next one isn't really a solution, but more of a tip to try and help you narrow down what it didn't count so you don't have to play the whole game again if you don't want to. Also this only really helps if you started at the beginning and have never played the story mode before as Don. If you don't get Domination right after chapter 10 then you missed one of the beginning chapters. I didn't pay attention to this my first play through but I remembered where I was when I got Domination.

Hopefully this helps the ones that didn't get this when they thought they should like me.

I've read a lot of comments regarding this being glitched, so I'm going to post a straightforward, detailed account of how I got it and the exact order in which I did it...

I played through once on Casual and once on Hardcore, occasionally with some help over Xbox Live but often in single player.

I played a few chapters online by joining someone else's campaign as Dom. This also means that I'd applied the latest update. I never cleared cache.

Using a local, non-Gold profile, I started a new campaign on Casual. I set the game to split-screen and joined as Dom using my target Xbox Live Gold account on the same Xbox. I played through using the two accounts from the beginning. I chose the "training" option in the prison. I didn't play all the way through the game in one sitting. I stopped at times, saved, and turned off the Xbox. However, after starting the campaign, I never did ANYTHING else with either account (and I suspect this is significant). I would sign in the local profile, start GoW, split-screen, continue campaign, sign in the target profile, and proceed. Somewhere in the middle of a chapter (not the end, oddly) I got the "Domination" achievement. At the very end, as General RAAM falls over due to one too many bullets to the face, the achievement popped. One playthrough.

Note: This was my 3rd playthrough and I'd pretty well gotten the hang of the game, so it was surprisingly easy with one person using two controllers on Casual. I needed a 2nd person for the first berserker (but not the second). The part where you chase a flaming car? As long as one player gets to the bottom then you're fine. The game says you died because the 2nd player didn't make it, but because the 1st player made it when the game "restarts at the last checkpoint", you've made it to the gas station (the next checkpoint).
From towards the end of the 4th Act to the end, I had a 2nd person manning the second controller so I can't say how badly you need two people. I suspect you can't kill RAAM with only one person.

For anyone struggling to unlock this, I will detail what I did to potentially save you the 3 weeks of frustration like me. First credit to the guides above for the tips, there is not much else on the internet so follow those tips if you can!

I had done some of the game 10 years ago then went back to finish some of the achievements this last month. I had already beaten the game solo on Casual and Hardcore. I possibly had played some co-op online but I could not remember.

*The whole campaign is possible to do by yourself in co-op mode, some spots may take more practice than others!*

1st Play through as Dom I played on Casual and was simultaneously collecting all 30 COG tags (which does not matter as far as I can tell.) Started a new campaign with another local xbox live profile on my xbox, my target profile as Dom. I did the training at the beginning and did not skip any cut-scenes. My character as Dom at points did "skip" ahead when a checkpoint occurred but I played with him almost all the time so Marcus was "skipping" ahead. I got "Domination" on this playthrough but not "I Cant't Quit You Dom" after defeating General RAAM.

2nd Play through as Dom I played on Casual again. Started a new campaign with a different local non-xbox live profile on my xbox. I did not do the training this time through. I made sure my Dom character never "skipped" through any checkpoints. I did not skip any cut-scenes and chose the opposite paths during the campaign than my first time through. Again, I got nothing after defeating General RAAM.

Being frustrated, I went back and beat the whole campaign solo on Insane because I had not done that yet. (Again, not sure if that matters or not)

3rd Play through as Dom I played on Hardcore this time. After just beating the game on Insane, Hardcore really was nothing. I started a new campaign with the same non-xboxlive profile I used in my second play through. I did do the training this time. My character Dom did "skip" ahead through checkpoints a couple times. I skipped almost all the cut-scenes. When the paths came up, I picked the ones I liked best. After defeating General RAAM, "I Can't Quit You Dom" popped up on my screen.

I am not sure what makes this achievement pop, (3 play throughs, playing on Hardcore, skipping cut-scenes, idk..) Also I never cleared my cache or did anything else on my xbox or Gears after starting up a co-op campaign. Hopefully that helps anyone still struggling with this!