Final Fantasy III
PlayStation Portable


Achievements
-
Turtle No More
(2) (2)
Beaten Game Credit
Defeat the Land Turtle in Altar Cave
Beaten Game Credit
267 (191) of 277 – 96.39% unlock rate
-
No Items For You
(3) (3)
Defeat the Land Turtle in Altar Cave without using items
175 (146) of 277 – 63.18% unlock rate
-
Altar Cave - Treasure Collector
(4) (4)
Collect All Items in Altar Cave
176 (144) of 277 – 63.54% unlock rate
-
Ur - Treasure Collector
(3) (3)
Collect all items in Ur
136 (115) of 277 – 49.10% unlock rate
-
Another Party Member!
(1) (1)
Beaten Game Credit
Arc Joins the Party!
Beaten Game Credit
199 (150) of 277 – 71.84% unlock rate
-
Kazus - Treasure Collector
(2) (2)
Collect all items in Kazus
118 (104) of 277 – 42.60% unlock rate
-
The Blacksmith's Daughter
(1) (1)
Beaten Game Credit
Refia Joins the Party!
Beaten Game Credit
170 (132) of 277 – 61.37% unlock rate
-
Collect All Items in Castle Sasune
131 (111) of 277 – 47.29% unlock rate
-
Full Party!
(1) (1)
Beaten Game Credit
Ingus Joins the Party!
Beaten Game Credit
164 (130) of 277 – 59.21% unlock rate
-
Princess Guest
(2) (2)
Beaten Game Credit
Have Princess Sara Join Your Party
Beaten Game Credit
154 (125) of 277 – 55.60% unlock rate
-
Sealed Cave - Treasure Collector
(2) (2)
Collect All Items in Sealed Cave
136 (114) of 277 – 49.10% unlock rate
-
Magic-less Djinn
(5) (6)
Defeat the Djinn in Sealed Cave without using any Magic
134 (114) of 277 – 48.38% unlock rate
-
The Power of the Crystals
(5) (6)
Beaten Game Credit
You're Given the Title of the Warriors of Light, as well as Six New Jobs
Beaten Game Credit
155 (124) of 277 – 55.96% unlock rate
-
A Canoe For You!
(1) (1)
Beaten Game Credit
Obtain the Folding Canoe from the King of Castle Sasune
Beaten Game Credit
152 (122) of 277 – 54.87% unlock rate
-
Beaten Game Credit
Have Cid Join Your Party
Beaten Game Credit
147 (119) of 277 – 53.07% unlock rate
-
Collect All Items in the Mythril Mines
134 (111) of 277 – 48.38% unlock rate
-
Helping Out the Old Man
(1) (1)
Give an Elixir to Cid's Wife, Healing Her
133 (109) of 277 – 48.01% unlock rate
-
Canaan - Treasure Collector
(2) (2)
Collect All Items in Canaan
120 (100) of 277 – 43.32% unlock rate
-
Collect All Items at Dragon's Peak
128 (105) of 277 – 46.21% unlock rate
-
That Was a Close One ...
(4) (5)
Beaten Game Credit
Have Desch Join the Party
Beaten Game Credit
136 (109) of 277 – 49.10% unlock rate
-
Healing the Doctor
(1) (1)
Gave an Antidote to Shelco in Tozus
131 (104) of 277 – 47.29% unlock rate
-
Tozus - Treasure Collector
(2) (2)
Collect all Items in Tozus
123 (100) of 277 – 44.40% unlock rate
-
Collect All Items in Viking's Cove
117 (95) of 277 – 42.24% unlock rate
-
Collect All Items in Nepto Temple
125 (100) of 277 – 45.13% unlock rate
-
We're Not All About Magic
(5) (7)
Defeat Giant Rat in Nepto Temple with at least One Thief in Your Party
107 (91) of 277 – 38.63% unlock rate
-
The Eye of the Dragon
(5) (6)
Beaten Game Credit
Return the Nepto Eye to the Dragon Statue
Beaten Game Credit
127 (100) of 277 – 45.85% unlock rate
-
Tokkul - Treasure Collector
(2) (2)
Collect All Items in Tokkul
102 (87) of 277 – 36.82% unlock rate
-
Around the World (Map)
(2) (3)
Go Around the World Map, and Obtain a Prize from the Boy in The Village of the Ancients
102 (85) of 277 – 36.82% unlock rate
-
Collect the Item in The Village of the Ancients
94 (82) of 277 – 33.94% unlock rate
-
Collect All Items in Castle Argus
96 (86) of 277 – 34.66% unlock rate
-
Oh ... How Ribbit-ing
(2) (2)
Obtain the Toad Spell at Gulgan Gulch
114 (93) of 277 – 41.16% unlock rate
-
Collect All Items at Gulgan Gulch
112 (91) of 277 – 40.43% unlock rate
-
Collect All Items in Tower of Owen
108 (90) of 277 – 38.99% unlock rate
-
You Can't Turn Us to Stone!
(10) (15)
Defeat Medusa Without Using Any Magic
94 (81) of 277 – 33.94% unlock rate
-
He Won't Be Forgotten
(5) (7)
Beaten Game Credit
Finish Tower of Owen, and be taken back to the Enterprise
Beaten Game Credit
112 (93) of 277 – 40.43% unlock rate
-
Gysahl - Treasure Collector
(2) (3)
Collect All Items in Gysahl
90 (79) of 277 – 32.49% unlock rate
-
Explosive Excavation
(5) (8)
Defeat the Bombs in Altar Cave to rescue the kids and recieve the Onion Knight Job
87 (73) of 277 – 31.41% unlock rate
-
Collect All Items in Subterranean Lake
106 (90) of 277 – 38.27% unlock rate
-
No Specialized Magicians Necessary
(10) (16)
Defeat Gutsco Without a Black Mage Or White Mage
87 (76) of 277 – 31.41% unlock rate
-
Lurking in the Shadows
(5) (7)
Beaten Game Credit
You've Returned the Horn of Ice. Well ... Sort of, Anyway
Beaten Game Credit
108 (90) of 277 – 38.99% unlock rate
-
Molten Cave - Treasure Collector
(3) (4)
Collect All Items in Molten Cave
98 (81) of 277 – 35.38% unlock rate
-
You Shalt Not Be Overleveled
(10) (16)
Defeat Salamander with No Character Higher Than Level 20
88 (72) of 277 – 31.77% unlock rate
-
The Fire Crystal
(5) (7)
Beaten Game Credit
Defeat Salamander and Obtain New Jobs From the Fire Crystal
Beaten Game Credit
102 (84) of 277 – 36.82% unlock rate
-
Collect All Items in Dwarven Hollows
91 (77) of 277 – 32.85% unlock rate
-
Obtain Mini in the Castle Hein Prison
95 (78) of 277 – 34.30% unlock rate
-
Castle Hein - Treasure Collector
(3) (4)
Collect All Items in Castle Hein
89 (74) of 277 – 32.13% unlock rate
-
Power of the Fire Crystal
(10) (17)
Defeat Hein Only using Jobs Obtained from the Fire Crystal
76 (67) of 277 – 27.44% unlock rate
-
Beaten Game Credit
Obtain the Fang of Wind after Defeating Hein
Beaten Game Credit
93 (77) of 277 – 33.57% unlock rate
-
Alchemy Freebie
(1) (1)
Obtained 2 Free Elixirs at Castle Argus
81 (71) of 277 – 29.24% unlock rate
-
Upgradability
(2) (3)
Obtain the Wheel of Time from King Argus
91 (75) of 277 – 32.85% unlock rate
-
To the Skies!
(2) (3)
Beaten Game Credit
Have Cid upgrade the Enterprise
Beaten Game Credit
90 (74) of 277 – 32.49% unlock rate
-
Collect All Items in the Wrecked Ship
91 (74) of 277 – 32.85% unlock rate
-
The Sickly Priestess
(2) (3)
Beaten Game Credit
Heal Aria, and Have Her Join the Party!
Beaten Game Credit
91 (74) of 277 – 32.85% unlock rate
-
Collect the Item in Cave of Tides
88 (71) of 277 – 31.77% unlock rate
-
The Crack of the Free ... Lancers
(10) (18)
Defeat the Kraken using Only Freelancers
68 (60) of 277 – 24.55% unlock rate
-
Water Crystal Jobs
(5) (8)
Beaten Game Credit
Obtain the Power of the Water Crystal and Wake Up in Amur
Beaten Game Credit
86 (69) of 277 – 31.05% unlock rate
-
Amur - Item Collection
(2) (3)
Collect All Items in Amur
76 (63) of 277 – 27.44% unlock rate
-
Amur Sewers - Treasure Collector
(2) (3)
Collect All Items in Amur Sewers
81 (68) of 277 – 29.24% unlock rate
-
Brand New Kicks
(5) (8)
Obtain the Levigrass Shoes from Delilah
83 (68) of 277 – 29.96% unlock rate
-
Collect All Items in Goldor Mansion
81 (68) of 277 – 29.24% unlock rate
-
The Power of the Water Crystal
(10) (18)
Defeat Goldor Using ONLY Water Crystal Jobs [Dragoon, Viking, Dark Knight, Evoker, or Bard]
68 (60) of 277 – 24.55% unlock rate
-
The Key to Freedom
(5) (8)
Beaten Game Credit
Obtain the Chain Key
Beaten Game Credit
82 (68) of 277 – 29.60% unlock rate
-
Duster - Treasure Collector
(1) (1)
Collect All Items in Duster
74 (65) of 277 – 26.71% unlock rate
-
Replito - Treasure Collector
(2) (3)
Collect All Items in Replito
71 (63) of 277 – 25.63% unlock rate
-
Saronia - Treasure Collector
(4) (8)
Obtain All Items in Saronia
63 (55) of 277 – 22.74% unlock rate
-
Prince of Saronia
(3) (5)
Beaten Game Credit
Have Alus Join You
Beaten Game Credit
77 (65) of 277 – 27.80% unlock rate
-
Grounded Garuda
(10) (19)
Defeat Garuda without a Dragoon in the Party
64 (56) of 277 – 23.10% unlock rate
-
Collect All Items in Castle Saronia
71 (61) of 277 – 25.63% unlock rate
-
Speedy Ship
(5) (9)
Beaten Game Credit
Obtain the Nautilus
Beaten Game Credit
77 (64) of 277 – 27.80% unlock rate
-
The Old Warrior of Light
(2) (3)
Beaten Game Credit
Have Doga Join the Party
Beaten Game Credit
74 (61) of 277 – 26.71% unlock rate
-
Magic Spell of Underwater
(5) (9)
Get the Ability to Go Underwater With the Nautilus
74 (61) of 277 – 26.71% unlock rate
-
Collect All Items in Saronia
63 (53) of 277 – 22.74% unlock rate
-
Odin's Hidden Away Spear
(5) (10)
Steal Gungnir from Odin
62 (54) of 277 – 22.38% unlock rate
-
Horse Rider
(5) (10)
Defeat Odin and Obtain Catastro
68 (55) of 277 – 24.55% unlock rate
-
Dodging Lightning
(10) (21)
Defeat Odin Without Using Any Magic
59 (50) of 277 – 21.30% unlock rate
-
Sunken Cave - Treasure Collector
(4) (7)
Collect All Items in Sunken Cave
67 (56) of 277 – 24.19% unlock rate
-
Collect All Items in Temple of Time
65 (54) of 277 – 23.47% unlock rate
-
Loot the Lute
(5) (9)
Beaten Game Credit
Obtain Noah's Lute
Beaten Game Credit
73 (60) of 277 – 26.35% unlock rate
-
The Old Hag
(2) (3)
Beaten Game Credit
Have Unei Join the Party. Also Obtained the Fang of Fire.
Beaten Game Credit
73 (60) of 277 – 26.35% unlock rate
-
Collect All Items in Ancient Ruins
69 (57) of 277 – 24.91% unlock rate
-
Invincible to the End
(5) (9)
Beaten Game Credit
Obtain the Invincible
Beaten Game Credit
72 (59) of 277 – 25.99% unlock rate
-
Sara's Keepsake
(5) (10)
Beaten Game Credit
Get Sara's Pendant Repaired and Return It
Beaten Game Credit
63 (52) of 277 – 22.74% unlock rate
-
The Blackest Knight
(5) (10)
Defeat Shinobi with at least One Dark Knight
61 (52) of 277 – 22.02% unlock rate
-
The Ninja
(5) (9)
Beaten Game Credit
Defeat Shinobi and Obtain the Kiku-Ichimonji
Beaten Game Credit
67 (56) of 277 – 24.19% unlock rate
-
Falgabard - Treasure Collector
(2) (3)
Collect All Items in Falgabard
67 (56) of 277 – 24.19% unlock rate
-
Metal Detected
(5) (10)
Defeat Aeon and Obtain the Orichalcum
62 (52) of 277 – 22.38% unlock rate
-
Collect All Items in Cave of Shadows
66 (54) of 277 – 23.83% unlock rate
-
A-Mage-Ing Party!
(10) (21)
Defeat Hecatoncheir with a Party of Only Mages [WM, BM, RM, Scholar, Geomancer, or Evoker]
58 (50) of 277 – 20.94% unlock rate
-
Earthen Fang
(5) (9)
Beaten Game Credit
Defeat Hecatoncheir and Obtain the Fang of Earth
Beaten Game Credit
71 (57) of 277 – 25.63% unlock rate
-
The Warriors of Originality
(10) (21)
Defeat Titan with a Party Consisting of Only FF1 Jobs [Warrior, WM, BM, RM, Monk, Thief]
60 (51) of 277 – 21.66% unlock rate
-
The Earth Crystal
(5) (9)
Beaten Game Credit
Defeat Titan and Obtain New Jobs from the Earth Crystal
Beaten Game Credit
70 (57) of 277 – 25.27% unlock rate
-
Lake Dohr - Treasure Collector
(4) (8)
Collect All Items in Lake - Dohr
63 (54) of 277 – 22.74% unlock rate
-
Ride the Waves!
(5) (10)
Defeat Leviathan with a Summoner in the Party
58 (50) of 277 – 20.94% unlock rate
-
Water Monster, Beware!
(5) (10)
Defeat Leviathan and Obtain Leviath
66 (54) of 277 – 23.83% unlock rate
-
Collect All Items in Bahamut's Lair
70 (57) of 277 – 25.27% unlock rate
-
Defeat Bahamut with a Summoner in the Party
59 (50) of 277 – 21.30% unlock rate
-
Big Scary Dragon
(5) (9)
Defeat Bahamut and Earn Bahamut
70 (56) of 277 – 25.27% unlock rate
-
Collect All Items in Doga's Grotto
66 (54) of 277 – 23.83% unlock rate
-
The Wizard ...
(5) (9)
Defeat Doga
70 (56) of 277 – 25.27% unlock rate
-
And The Witch
(5) (9)
Defeat Unei
70 (56) of 277 – 25.27% unlock rate
-
Collect All Items in Ancient's Maze
67 (54) of 277 – 24.19% unlock rate
-
Collect All Items in Eureka
64 (52) of 277 – 23.10% unlock rate
-
Barrier Shift!
(5) (10)
Defeat Amon and Obtain the Moonring Blade
67 (54) of 277 – 24.19% unlock rate
-
Ninja Lady
(5) (10)
Defeat Kunoichi and Obtain the Masamune
67 (54) of 277 – 24.19% unlock rate
-
General-ly Speaking
(5) (10)
Defeat General and Obtain Excalibur
67 (54) of 277 – 24.19% unlock rate
-
Guardian of the Eureka
(5) (10)
Defeat Guardian and Obtain Ragnarok
67 (54) of 277 – 24.19% unlock rate
-
Cerberus, But Oddly Cuter?
(5) (10)
Defeat Scylla, and Obtain the Elder Staff
67 (54) of 277 – 24.19% unlock rate
-
Ultimate Smithery
(5) (10)
Give the Orichalcum to the Legendary Smith, and Recieve the Ultima Weapon
63 (52) of 277 – 22.74% unlock rate
-
Celestial Gloves
(5) (12)
Obtain the Celestial Gloves
48 (41) of 277 – 17.33% unlock rate
-
Onion Blade
(5) (12)
Obtain the Onion Blade
48 (41) of 277 – 17.33% unlock rate
-
Gigantic Axe
(5) (12)
Obtain the Gigantic Axe
49 (42) of 277 – 17.69% unlock rate
-
Shura Gloves
(5) (11)
Obtain the Shura Gloves
51 (44) of 277 – 18.41% unlock rate
-
Angel Robe
(5) (11)
Obtain the Angel Robe
52 (44) of 277 – 18.77% unlock rate
-
Lilith Rod
(5) (12)
Obtain the Lilith Rod
48 (41) of 277 – 17.33% unlock rate
-
Crimson Vest
(5) (11)
Obtain the Crimson Vest
51 (44) of 277 – 18.41% unlock rate
-
Artemis Bow
(5) (12)
Obtain the Artemis Bow
49 (42) of 277 – 17.69% unlock rate
-
Save the Queen
(5) (12)
Obtain the Save the Queen
48 (41) of 277 – 17.33% unlock rate
-
Gladius
(5) (11)
Obtain the Gladius
51 (44) of 277 – 18.41% unlock rate
-
Omnitome
(5) (12)
Obtain the Omnitome
49 (42) of 277 – 17.69% unlock rate
-
Blessed Bell
(5) (12)
Obtain the Blessed Bell
50 (43) of 277 – 18.05% unlock rate
-
Magic Lance
(5) (11)
Obtain the Magic Lance
51 (44) of 277 – 18.41% unlock rate
-
Mighty Hammer
(5) (12)
Obtain the Mighty Hammer
49 (42) of 277 – 17.69% unlock rate
-
Murakumo
(5) (12)
Obtain the Murakumo
50 (43) of 277 – 18.05% unlock rate
-
Royal Crown
(5) (12)
Obtain the Royal Crown
47 (40) of 277 – 16.97% unlock rate
-
Ballad Crown
(5) (12)
Obtain the Ballad Crown
50 (43) of 277 – 18.05% unlock rate
-
Master Dogi
(5) (11)
Obtain the Master Dogi
51 (44) of 277 – 18.41% unlock rate
-
Holy Wand
(5) (12)
Obtain the Holy Wand
50 (43) of 277 – 18.05% unlock rate
-
Millennium Rod
(5) (12)
Obtain the Millennium Rod
47 (40) of 277 – 16.97% unlock rate
-
Astral Bracers
(5) (12)
Obtain the Astral Bracers
48 (41) of 277 – 17.33% unlock rate
-
Sage Staff
(5) (12)
Obtain the Sage Staff
48 (41) of 277 – 17.33% unlock rate
-
Muramasa
(5) (12)
Obtain the Muramasa
49 (42) of 277 – 17.69% unlock rate
-
Crystal Tower - Treasure Collector
(5) (11)
Collect All Items in Crystal Tower
58 (46) of 277 – 20.94% unlock rate
-
The One, The Only ... Hopefully
(5) (11)
Defeat Xande
62 (48) of 277 – 22.38% unlock rate
-
Collect All Items in World of Darkness
60 (48) of 277 – 21.66% unlock rate
-
Good Puppy
(5) (11)
Defeat Cerberus
61 (48) of 277 – 22.02% unlock rate
-
Dual-Headed Idiot
(5) (11)
Defeat Two Headed Dragon
61 (48) of 277 – 22.02% unlock rate
-
Not the One You're Thinking Of
(5) (11)
Defeat Echidna
61 (48) of 277 – 22.02% unlock rate
-
Floating Eyeball of DOOM
(5) (11)
Defeat Ahriman
61 (48) of 277 – 22.02% unlock rate
-
Cloud of Darkness
(25) (55)
Beaten Game Credit
Defeat Cloud of Darkness and Return Home
Beaten Game Credit
60 (48) of 277 – 21.66% unlock rate
-
Blank Slate
(50) (129)
Defeat Cloud of Darkness with only Freelancers in the Party
45 (39) of 277 – 16.25% unlock rate
-
Full Item Collection
(50) (129)
Collect ALL Items, both Sparkle Spots and Chests
45 (39) of 277 – 16.25% unlock rate
-
Bestiary Buster
(5) (7)
Obtain 25% Bestiary Completion [56 Entries]
104 (88) of 277 – 37.55% unlock rate
-
Monster Masher
(10) (18)
Obtain 50% Bestiary Completion [113 Entries]
72 (60) of 277 – 25.99% unlock rate
-
Baddie Bonker
(10) (20)
Obtain 75% Bestiary Completion [167 Entries]
66 (54) of 277 – 23.83% unlock rate
-
Enemy Eraser
(25) (68)
Obtain 100% Bestiary Completion
42 (36) of 277 – 15.16% unlock rate
-
Big Hunk of Junk
(25) (66)
Defeat Iron Giant
45 (38) of 277 – 16.25% unlock rate
-
Don't Die On Me
(50) (132)
Defeat Iron Giant with No Onion Knights, and without letting anyone get KO'd
45 (38) of 277 – 16.25% unlock rate
-
Onion Helm
(5) (12)
Obtain the Onion Helm Drop
48 (41) of 277 – 17.33% unlock rate
-
Onion Armor
(5) (12)
Obtain the Onion Armor Drop
47 (40) of 277 – 16.97% unlock rate
-
Onion Gauntlets
(5) (12)
Obtain the Onion Gauntlets Drop
45 (39) of 277 – 16.25% unlock rate
-
Onion Sword
(5) (12)
Obtain the Onion Sword Drop
48 (41) of 277 – 17.33% unlock rate
-
Onion Shield
(5) (12)
Obtain the Onion Shield Drop
49 (42) of 277 – 17.69% unlock rate
Recent Players
Player | When | Activity |
---|---|---|
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03 Dec 2023, 3:49am | Luneth/Lvl:9/Warrior || Arc/Lvl:9/Red Mage || Refia/Lvl:8/Monk || Ingus/Lvl:8/Warrior || Gil: 613 || Max Damage: 201 || Max Hits: 8 || Time: 15:51.48 || Bestiary 17/225 |
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03 Dec 2023, 3:48am | Luneth/Lvl:20/Knight || Arc/Lvl:20/Ranger || Refia/Lvl:20/Red Mage || Ingus/Lvl:20/Geomancer || Gil: 40963 || Max Damage: 11760 || Max Hits: 30 || Time: 20:45.06 || Bestiary 74/225 |
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03 Dec 2023, 3:48am | Refia/Lvl:15/Red Mage || Luneth/Lvl:15/Thief || Arc/Lvl:15/Black Mage || Ingus/Lvl:16/Warrior || Gil: 10716 || Max Damage: 453 || Max Hits: 6 || Time: 42:05.35 || Bestiary 44/225 |
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03 Dec 2023, 1:09am | Luneth/Lvl:3/Freelancer || Arc/Lvl:1/Freelancer || Refia/Lvl:1/Freelancer || Ingus/Lvl:1/Freelancer || Gil: 730 || Max Damage: 58 || Max Hits: 1 || Time: 37:37.81 || Bestiary 5/225 |
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02 Dec 2023, 6:25pm | Player is on the Title Screen |
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02 Dec 2023, 1:00pm | Luneth/Lvl:26/Knight || Arc/Lvl:26/Black Mage || Refia/Lvl:27/White Mage || Ingus/Lvl:27/Dragoon || Gil: 60277 || Max Damage: 4555 || Max Hits: 20 || Time: 48:11.93 || Bestiary 77/225 |
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02 Dec 2023, 11:22am | Ingus/Lvl:54/Black Belt || Luneth/Lvl:53/Ninja || Refia/Lvl:53/Summoner || Arc/Lvl:54/Devout || Gil: 1012242 || Max Damage: 16726 || Max Hits: 31 || Time: 22h07:16.91 || Bestiary 188/225 |
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02 Dec 2023, 10:43am | Luneth/Lvl:24/Freelancer || Ingus/Lvl:24/Freelancer || Arc/Lvl:24/Freelancer || Refia/Lvl:24/Freelancer || Gil: 23785 || Max Damage: 5616 || Max Hits: 15 || Time: 20:06.41 || Bestiary 86/225 |
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02 Dec 2023, 3:39am | Player is on the Title Screen |
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02 Dec 2023, 2:23am |
⚠️
Playing Final Fantasy III
|
Recent comments
(See all 40)
The original FFIII in 2D didn't make it to North America until the Pixel Remasters a couple years ago.
Collect All Items in Castle Hein is definitely one because once you complete that part of the game you can never return so be sure to have a save file during that segment.
The bestiary also contains missable enemies most notably in the water after a certain point.
By extension the 100% bestiary and 100% treasure ones will also be missable. If you intend to master this first try, I recommend a guide likely on gamefaq. Keep in mind though, that the PSP version is different to the DS version in that there is one less treasure chest in the PSP version I think so when a guide says 40% but you only have 39%, that will be why. It's probably not a well known fact as you'd expect the remake to be the same on both versions. The Onion Knight job class is another example as the DS has local network while the PSP didn't.
https://gamefaqs.gamespot.com/ds/924897-final-fantasy-iii/faqs
Recommend Seferaga's guide. It's DS so this is where the discrepancy on the treasure chests comes in. When it's better to visit this guy that tracks how many chests you've opened (later also from a moogle on a ship) and get all the achievements for chests for a single area as you go.