     achievements = new Achievements()
     
     achievements.fetchForCampaign(
-      this.campaign.get('slug'),
+      @campaign.get('slug'),
       { data: { project: 'related,rewards,name' } })
     
     .done((achievements) =>

    true

  checkForUnearnedAchievements: ->
    
    # Another layer attempting to make sure users unlock levels properly.
    

      
      campaignLevels = @campaign.get('levels')
      
      levelsEarned = _(me.get('earned')?.levels)
        .filter (levelOriginal) => campaignLevels[levelOriginal]
        .map (levelOriginal) => campaignLevels[levelOriginal].slug
        .filter()
