10,000 damn, I think I have like 3 online kills so far >

It's not just online, it's ranked online.

There is, in campaign (not sure about MP, but why not?) there's a War Journal so you can see your items and check your stats, instead of cog tags they have different things which is what the Journal shows.

This is bullshit. The whole fun of the first one was going for 10,000 in multiplayer. That is what kept me playing months and months after the game came out when I could have went to other games. Single player kills achievements have, and always will be lame. Why couldn't they just make it 25,000 kills in multiplayer and include Bots as counting along with people online? How many times am I going to have to play through single player campaign over and over to get this compared to a fresh and new experience with each multiplayer match? Lame.

From X3F

Update: We made a mistake! The Seriously 2.0 achievement's 100,000 kills are taken from EVERY game mode spread across the entire game. Meaning that every kill in campaign single or co-op, ranked or social multiplayer matches and even Horde games count towards the 100,000 kill finish line. Also, there will also be an achievement tracker notification that will randomly pop-up and update you on your Seriously 2.0 progress.

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So if you want to do campaign, co-op campaign, co-op Horde, bots, multi, whatever it will count towards this achievement.  Plus it will keep track so you know how far you've gone.

HUZZAH! I knew that original description sounded too stupid for a game of this awesome caliber. Hopefully the achievement tracker will be like the one in Orange Box where it pops up on screen and not the crappy one in Ghost Recon Advanced Warfighter 2 where you have to go the page yourself.

Horde mode from what I read is a BLAST. I am looking forward to the game though I think I will not be getting the achievement

lol, thats cool, i bet ill never be able to get it though, i still havent got "Seriously" on Gears 1 (largely as ive only been playing Ranked games since march, and even then only occasionly)

Since you've played it, tell me, did they improve the story, and is Dom still a main character?

Wow, I doubt I'll get this achievement, but I'll sure try. I have a limited budget so I'll probably only get Starcraft II and Gears of War II for the holidays, so I should be more dedicated to getting this achievement. And the new Horde mode is awesome. Before I found out about this mode, I was telling a couple friends how neat it would be if on a shooter game you could just fortify your position in a building and take out swarms of enemies together. Then the Horde Mode was unveiled...