Gears of War 2
Game
2,820
(1,750)

Gears of War 2

4.3 from 16589 votes
 

141,884 tracked gamers have this game, 7,774 have completed it (5.48%) | 941 want to boost

There are a maximum of 79 Gears of War 2 achievements (50 without DLC) worth 2,820 (1,750)

Achievement Details

Open Relationship Achievement in Gears of War 2

Open Relationship37 (30)

Online/Offline - This achievement can be obtained in either an online or offline modeCooperative - This achievement can be obtained in non-versus game modes where players work togetherMain Storyline - This achievement is gained automatically by progressing through the main game mode
Complete 10 chapters in Co-op on any difficulty (Marcus or Dom)

0.0Earn this in the Gears of War 2 Walkthrough

Achievement Guide for Open Relationship

AuthorSolution
ZServ
72,041
ZServ
Achievement won on 08 Nov 08
TA Score for this game: 991
Posted on 09 November 08 at 14:38
 This solution has 31 positive votes and 5 negative votes. Please log in to vote.
If you're playing on insane, you'll probably need to co-op anyway. Otherwise, get a friend to either play with you local or online. After 10 chapters, (when text comes up on the screen saying the name of the act, then the chapter) you'll be awarded with the achievement.
Please log in to comment on this solution.