Hyperdimension Neptunia

You must obtain an S Rank in all of the side dungeons (excluding DLC). The ranking is based on time. The time required is very lenient and should not pose much problems, but if you are having trouble, here are a few tips:

This is based on time. Being over-leveled has no penalty.

Use to skip animations as these animations add to the time. You cannot hold it. It must be pressed after every attack.

To avoid random encounters, walk some steps and save the game. Reload and walk some more steps and save. Reload and continue the process to reach the boss.

Setting the game to hard will increase the amount of damage to enemies, thus saving time. Take caution, as you also take more damage and bosses may wipe you out.