FFXIII: Lightning Returns

1. You can start a NG+ in three ways:
A - Getting Game Over by running out of days.
B - Completing the game by defeating the final boss.
C - While already on NG+, a green hourglass (Crystal of Atonement) appears in
the Ark from second day onward. Examine the hourglass and confirm your
choice twice to immediately suspend your current game progression. Make a
save and use it to start the game from beginning. This is much better than
having to manually truck through the days.
Note: another Crystal of Atonement is available on Final Day before the
cathedral, should you change your mind.

2. When you start a New Game+ (regardless of how achieved), you retain:
- All items, except quest items.
- All weapons, except one weapon which you get in final dungeon.
- All shields, except one shield which you get in final dungeon.
- All accessories.
- Accumulated statistic bonuses, EP and ATB increments, as well as item slots.
Even if you completed quest X on first play, complete it again on second play
for a second (smaller) statistic boost.
- Gil obtained.
- All garbs and adornments collected.
- EP abilities obtained.
- Any and all quest progression is not carried over.
- Enemies slain counter is not carried over. This counter is important for
Omega enemies (I'll explain more on that in the walkthrough). Omega enemies
are called the Last Ones in the game, but when you fight one, it has a greek
sign for "omega" next to its name, hence my calling Omega enemies.
- Accessories can now be upgraded (read next bullet for more info).

Go home Lightning, your drunk.