You can replay the last boss for the hard/extreme cheevos. Having extra players idle will multiply kills/crystals collected. See guide for more details. Note: MP game modes need 3P. ~15h to 100%
You can replay the last boss for the hard/extreme cheevos. Having extra players idle will multiply kills/crystals collected. See guide for more details. Note: MP game modes need 3P. ~15h to 100%