Make sure you see this before quitting if you don’t want to replay sections of the game. The only times the game saves your position is when you see the word Saving next to a typewriter icon when you cross certain checkpoints. However, if you quit the game, it will NOT save your place. Know the difference between Checkpoint and Saving: When you reach a checkpoint, you’ll see the word checkpoint next to a pushpin. If it's not the same difficulty, start a new game on any chapter with the difficulty you want and quit back to menu as soon as it loads. If you plan on joining a co-op game, be sure to go to 'Continue' from the Campaign menu to check if you're already on the difficulty you want to be playing. Does difficulty affect achievements?: Yes (Beat the game on Professional)īe careful when joining co-op games: When joining a friend in co-op, your difficulty defaults to the last difficulty you played solo.Do cheat codes disable achievements?: No.Minimum number of playthroughs needed: 1.Approximate amount of time to 1000 : 35 Hours+.