"Completed Act 3 on Casual"@en . . . "Gears of War"@en . "Xbox 360"@en . "Complete Act 3 on Casual Difficulty"@en . "No"@en . . "None - Please write in an Achievement Guide for us!"@en . "Completed Act 3 on Casual"@en . "None - Please write in an Achievement Guide for us!"@en . "10.0"^^ . "No"@en . .