You can do this game in chapter 2, 3 and 5. In chapter 2 you can do the mission "Run the Gunner's Gauntlet". After that you have to talk to Beclem to play it. In chapter 5 Datto will take his place.
The Gunner's Gauntlet is a mini-game where Yuna has to get as many points as she can by shooting down enemies. You get 7 minutes and you have to get to the beach in time, otherwise the game is over. Also when your HP has dropped to 0 it's over. Also there's a Chain meter. The more full the meter, the more points will be earned per shot. If Yuna got attacked her HP drops with 1-4, will lose 1 point and the Chain meter will be reset.
The detailed monster below leave treasure
chests behind, containing ammunition. There are 4 different types of ammunition:
- Ammo: Normal bullets. Every hit will reduce the opponent's HP with 1.
-
Dual Shot: Two fiends can be shot at the same time. It will reduce the
opponent's HP with 1.
- Death: The targeted fiend is killed in one
shot.
- Volley: All opponents in the vicinity are killed.
Use your ammo wisely,
kill easy fiends with ammo, and when a huge group is approaching use
volley.
When you advance in the game you can also upgrade your ammo to better ammo and use Quickshot. Quickshot is powerful, because it produces sustained fire for a short period of time.
Here's the list of 13 enemies which their stats and ammo they drop.
| Monster | HP | Score | Level | Leaves Behind | Amount |
| Coyote | 5 | 3 | 1+ | Ammo | 10-14 |
| Wild Wolf | 7 | 5 | 1+ | Death | 1-2 |
| Shantak | 10 | 10 | 1+ | Dual Shot | 10-14 |
| YSLS-99 | 17 | 15 | 1+ | Death | 1-2 |
| Creeper | 1 | 1 | 3+ | - | - |
| Tomb (Small) | 10 | 5 | 3-5 | Volley | 1 |
| Nashorn | 8 | 12 | 4+ | Healing | 15-19 |
| Bicocette | 11 | 8 | 6+ | Volley | 1 |
| Tomb (Medium) | 16 | 8 | 6-7 | Volley | 2 |
| Hrimthurs | 6 | 25 | 7+ | Quickshot | - |
| Dive Beak | 12 | 4 | 7+ | Upgrade * | 1 |
| Tomb (Large) | 20 | 15 | 8-9 | Volley | 3 |
| Tomb (Giant) | 30 | 20 | Max | Volley | 4 |
| * The type of upgrade is selected at random | |||||
When you reached the required score for the next level you go level up. Each time you go level up you get an item. Note that you don't earn the items again if you play New Game+, since you level is saved!
Here's the list of items you can win when you go level up:
| Level | Score | Reward |
| 1 | - | - |
| 2 | 501 | Garment Grid: Enigma Plate |
| 3 | 750 | Power Wrist |
| 4 | 900 | Silver Bracer |
| 5 | 1000 | Titanium Bangle |
| 6 | 1150 | Garment Grid: Mortal Coil |
| 7 | 1300 | Beaded Brooch |
| 8 | 1400 | Diamond Gloves |
| 9 | 2000 | Faerie Earings |
| Max | 2800 | Adamantine |
¤ Gunner's Gauntlet in Cloister of Trials
You can play this mini-game if you have completed the Besaid Island mission Protect Besaid Temple! in chapter 3. Talk to the monk standing before the entrance to the trials.
This mini-game is like the original but this time you can't really control Yuna, you can only change your direction where you're looking at. Also it's in First Person 3D perspective. You get 12 minutes to complete the game.
There are no direct awards, but if you can destroy both wallsin the Trails, towards the end, you can open the chests behind it and obtain Favourite Outfit, NulFrost Ring or Stanima Spring.
Here are the opponents in the Trials:
| Monster | HP | Score | Leaves Behind | Amount |
| Coyote | 5 | 3 | Ammo | 17-21 |
| Haunt | 13 | 10 | Dual Shot | 10-14 |
| Death Dauber | 3 *1 | 4 | Upgrade *2 | 1 |
| Creeper | 1 | 2 | Ammo | 1-4 |
| Ahriman | 7 | 15 | Quickshot | 1 |
| Tomb | 80 | 20 | Death | 1-2 |
| Flan Azul | 4 | 2 | Healing | 2-3 |
| Tonberry | 15 | 20 | Ammo | 30-39 |
| Mega Tonberry | 20 | 30 | Upgrade *2 | 1 |
| *1 The first Death Dauber has 5 HP | ||||
| *2 The type of upgrade is selected at random | ||||