<(╹ヮ╹)><Accomplishments list hijack. LOL
No seriously:
Whew. I don't know if I made any spelling errors, too lazy to check. Those with = underneath obviously means that those achievements come with those unlocks. The rest don't have any unlocks.
EDIT: Checks taiko time. DAMMIT!
No seriously:
SPOILER
01:Start playing the game
02:Clear 15 kantan songs
03:Clear 30 kantan songs
= Gameplay Modifier: Abekobe
04:Clear 70 kantan songs
05:Clear 15 futsuu songs
06:Clear 30 futsuu songs
= Gameplay Modifier: Doron
07:Clear 70 futsuu songs
08:Clear 15 muzukashii songs
= Difficulty: Oni
09:Clear 30 muzukashii songs
= Gameplay Modifier: Detarame
10:Clear 70 muzukashii songs
11:Clear 15 oni songs
= Gameplay Modifier: Sanbai
12:Clear 30 oni songs
= Gameplay Modifier: Yonbai
13:Clear 70 oni songs
14:Taiko counter 10000
= Ura Fumen: Etude 0p.10-4
15:Taiko counter 20000
= Ura Fumen: Black Rose Apostle
16:Taiko counter 30000
= Ura Fumen:Hatsune Miku no Gekishou
17:Taiko counter 40000
= Ura Fumen: Rotter Tarmination
18:Taiko counter 50000
= Ura Fumen: White Rose Insanity
19:Taiko counter 60000
= Ura Fumen: Taiyou mo Yappappa-
20:Taiko counter 70000
= Ura Fumen: Sports Digesdon
21:Taiko counter 76500
= Ura Fumen: Linda ha Kyou mo Zekkouchou
22:Taiko counter 80000
= Ura Fumen: DON'T CUT
23:Taiko counter 90000
= Ura Fumen: Rumble Ranbu
24:Taiko counter 99999
= Song: Matasaitama2000
25:10 gold crowns
= Gameplay Modifier: Kanpeki
26:25 gold crowns
= Hitsound: Tsuzumi
27:50 gold crowns
= Hitsound: Conga
28:75 gold crowns
= Hitsound: 8-bit Taiko
29:100 gold crowns
= Hitsound: Gorgeous Taiko
30:Achieve 100% Great on any song
= Hitsound: Rifle
31:Achieve 100% OK on any song
= Hitsound: Shuriken
32:Achieve 100 combo or higher on any song
33:Achieve 200 combo or higher on any song
34:Achieve 400 combo or higher on any song
35:Achieve 600 combo or higher on any song
36:Achieve 100 or more drumroll hits on any song
= Hitsound: Quiz
37:Achieve a score of 500,000 or more on any song
= Hitsound: Sword
38:Clear 5 or more battles in National Omikoshi Battle
= Hitsound: Cameraman
39:Clear 10 or more battles in National Omikoshi Battle
= Hitsound: Mokugyo
40:Clear 20 or more battles in National Omikoshi Battle
= Hitsound: Bell
41:Clear 30 or more battles in National Omikoshi Battle
= Hitsound: Sneeze
42:Clear 40 or more battles in National Omikoshi Battle
= Hitsound: Handclap
43:Clear 50 or more battles in National Omikoshi Battle
= Hitsound: Rap
44:Conquer 10 or more places in National Omikoshi Battle
45:Conquer 20 or more places in National Omikoshi Battle
46:Conquer 30 or more places in National Omikoshi Battle
47:Conquer 40 or more places in National Omikoshi Battle
48:Conquer all places in National Omikoshi Battle
49:Clear Omikoshi Battle Mode
= Song: Cycle of Rebirth
50:Clear 2 battles in Knockout Battle(Boss Rush Mode)
= Hat: Devil Face
51:Clear 5 battles in Knockout Battle(Boss Rush Mode)
= Clothes: Devil Body
52:Clear all battles in Knockout Battle(Boss Rush Mode)
= Unlimited use of clones
53:Acquire 100 followers in National Omikoshi Battle
= Hitsound: Chibi Don
54:Acquire 200 followers in National Omikoshi Battle
= Hitsound: Delinquent Don
55:Acquire 300 followers in National Omikoshi Battle
= Hitsound: Sumo Don
56:Achieve a complete victory in National Omikoshi Battle (Push opponent to 10m)
57:Achieve a complete defeat in National Omikoshi Battle (Be pushed to 10m)
58:Fail 10 songs
= Hitsound: Fart
59:Play a multiplayer game
= Hitsound: Yahoo
60:Play 5 or more multiplayer games
= Hitsound: Shinsedo Drum (name?)
61:Play 10 or more multiplayer games
= Hitsound: Softdrinks
62:Play 15 or more multiplayer games
= Hitsound: Cat dog
63:Play 20 or more multiplayer games
= Hitsound: Overturned Table
64:Play multiplayer with 5 or more different people
65:Achieve a full combo on "The world is all one !!" on kantan
= Hat: iM@S Ribbon
66:Achieve a full combo on "The world is all one !!" on futsuu
= Clothes: iM@S Dress
67:Achieve a full combo on "Monster Hunter Medley" on kantan
= Hat: Ailu Helmet
68:Achieve a full combo on "Monster Hunter Medley" on futsuu
= Clothes: Ailu Body
69:Achieve a full combo on "Hatsune Miku no Gekishou" on kantan
= Hat: Miku Hair
70:Achieve a full combo on "Hatsune Miku no Gekishou" on futsuu
= Clothes: Miku Dress
71:Achieve a full combo on "MachineGun Kiss" on kantan
= Hat: Sign
72:Achieve a full combo on "MachineGun Kiss" on futsuu
= Clothes: Kamuro Gate
73:Achieve a 500 combo or higher on Medley Mode
74:Achieve a 1000 combo or higher on Medley Mode
75:Achieve a 1500 combo or higher on Medley Mode
76:Achieve a 2000 combo or higher on Medley Mode
77:Achieve 500 or more drumroll hits on Medley Mode
= Hitsound: Kenpou
78:Achieve a score of 3000000 or higher on Medley Mode
= Hitsound: Dynamite
02:Clear 15 kantan songs
03:Clear 30 kantan songs
= Gameplay Modifier: Abekobe
04:Clear 70 kantan songs
05:Clear 15 futsuu songs
06:Clear 30 futsuu songs
= Gameplay Modifier: Doron
07:Clear 70 futsuu songs
08:Clear 15 muzukashii songs
= Difficulty: Oni
09:Clear 30 muzukashii songs
= Gameplay Modifier: Detarame
10:Clear 70 muzukashii songs
11:Clear 15 oni songs
= Gameplay Modifier: Sanbai
12:Clear 30 oni songs
= Gameplay Modifier: Yonbai
13:Clear 70 oni songs
14:Taiko counter 10000
= Ura Fumen: Etude 0p.10-4
15:Taiko counter 20000
= Ura Fumen: Black Rose Apostle
16:Taiko counter 30000
= Ura Fumen:Hatsune Miku no Gekishou
17:Taiko counter 40000
= Ura Fumen: Rotter Tarmination
18:Taiko counter 50000
= Ura Fumen: White Rose Insanity
19:Taiko counter 60000
= Ura Fumen: Taiyou mo Yappappa-
20:Taiko counter 70000
= Ura Fumen: Sports Digesdon
21:Taiko counter 76500
= Ura Fumen: Linda ha Kyou mo Zekkouchou
22:Taiko counter 80000
= Ura Fumen: DON'T CUT
23:Taiko counter 90000
= Ura Fumen: Rumble Ranbu
24:Taiko counter 99999
= Song: Matasaitama2000
25:10 gold crowns
= Gameplay Modifier: Kanpeki
26:25 gold crowns
= Hitsound: Tsuzumi
27:50 gold crowns
= Hitsound: Conga
28:75 gold crowns
= Hitsound: 8-bit Taiko
29:100 gold crowns
= Hitsound: Gorgeous Taiko
30:Achieve 100% Great on any song
= Hitsound: Rifle
31:Achieve 100% OK on any song
= Hitsound: Shuriken
32:Achieve 100 combo or higher on any song
33:Achieve 200 combo or higher on any song
34:Achieve 400 combo or higher on any song
35:Achieve 600 combo or higher on any song
36:Achieve 100 or more drumroll hits on any song
= Hitsound: Quiz
37:Achieve a score of 500,000 or more on any song
= Hitsound: Sword
38:Clear 5 or more battles in National Omikoshi Battle
= Hitsound: Cameraman
39:Clear 10 or more battles in National Omikoshi Battle
= Hitsound: Mokugyo
40:Clear 20 or more battles in National Omikoshi Battle
= Hitsound: Bell
41:Clear 30 or more battles in National Omikoshi Battle
= Hitsound: Sneeze
42:Clear 40 or more battles in National Omikoshi Battle
= Hitsound: Handclap
43:Clear 50 or more battles in National Omikoshi Battle
= Hitsound: Rap
44:Conquer 10 or more places in National Omikoshi Battle
45:Conquer 20 or more places in National Omikoshi Battle
46:Conquer 30 or more places in National Omikoshi Battle
47:Conquer 40 or more places in National Omikoshi Battle
48:Conquer all places in National Omikoshi Battle
49:Clear Omikoshi Battle Mode
= Song: Cycle of Rebirth
50:Clear 2 battles in Knockout Battle(Boss Rush Mode)
= Hat: Devil Face
51:Clear 5 battles in Knockout Battle(Boss Rush Mode)
= Clothes: Devil Body
52:Clear all battles in Knockout Battle(Boss Rush Mode)
= Unlimited use of clones
53:Acquire 100 followers in National Omikoshi Battle
= Hitsound: Chibi Don
54:Acquire 200 followers in National Omikoshi Battle
= Hitsound: Delinquent Don
55:Acquire 300 followers in National Omikoshi Battle
= Hitsound: Sumo Don
56:Achieve a complete victory in National Omikoshi Battle (Push opponent to 10m)
57:Achieve a complete defeat in National Omikoshi Battle (Be pushed to 10m)
58:Fail 10 songs
= Hitsound: Fart
59:Play a multiplayer game
= Hitsound: Yahoo
60:Play 5 or more multiplayer games
= Hitsound: Shinsedo Drum (name?)
61:Play 10 or more multiplayer games
= Hitsound: Softdrinks
62:Play 15 or more multiplayer games
= Hitsound: Cat dog
63:Play 20 or more multiplayer games
= Hitsound: Overturned Table
64:Play multiplayer with 5 or more different people
65:Achieve a full combo on "The world is all one !!" on kantan
= Hat: iM@S Ribbon
66:Achieve a full combo on "The world is all one !!" on futsuu
= Clothes: iM@S Dress
67:Achieve a full combo on "Monster Hunter Medley" on kantan
= Hat: Ailu Helmet
68:Achieve a full combo on "Monster Hunter Medley" on futsuu
= Clothes: Ailu Body
69:Achieve a full combo on "Hatsune Miku no Gekishou" on kantan
= Hat: Miku Hair
70:Achieve a full combo on "Hatsune Miku no Gekishou" on futsuu
= Clothes: Miku Dress
71:Achieve a full combo on "MachineGun Kiss" on kantan
= Hat: Sign
72:Achieve a full combo on "MachineGun Kiss" on futsuu
= Clothes: Kamuro Gate
73:Achieve a 500 combo or higher on Medley Mode
74:Achieve a 1000 combo or higher on Medley Mode
75:Achieve a 1500 combo or higher on Medley Mode
76:Achieve a 2000 combo or higher on Medley Mode
77:Achieve 500 or more drumroll hits on Medley Mode
= Hitsound: Kenpou
78:Achieve a score of 3000000 or higher on Medley Mode
= Hitsound: Dynamite
Whew. I don't know if I made any spelling errors, too lazy to check. Those with = underneath obviously means that those achievements come with those unlocks. The rest don't have any unlocks.
EDIT: Checks taiko time. DAMMIT!