Thanks to Mysterio you can CHOOSE the mode you want on the Riivolution menu.


MODES (Both Regions):

Default - No Inactivity, and Uncensored. Enjoy Vanilla Custom Questing.

-G Rank Mode- 
 Activates Specific Custom Speeds (Refer  to list below) 
 Permanent Felvine
 No Inactivity
 Uncensored
 Custom Weapons
 Custom title*
 Ability to eat after joining a Quest (NSTC ONLY)
 You can now use Felvine Bombs Underwater 
 Your Outbox now holds Unsent Messages (NSTC ONLY)
 You can move while in "Ready" state (NSTC ONLY)
 You can use your menu while "Ready" (NSTC ONLY)
 Jhen+ Anytime**

*Change your title to Juggernaut Online - Giant Mode (G Rank Only) 

**Press the HOME button of the WIIMOTE (even if you're using Classic Controller) on quest presentation screen (online red receptionist)

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Tiny Mode - Enables G Rank mode with all monsters in tiny form. It does not affect one's records. (NSTC-U Only)

MH3 Impossible - 4x Monster Speed with Infinite Rage, Infinite Stamina monsters, and on top of that they have Rage Healing. Pretty much impossible to solo.
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MODES (PAL):

-Default- 
 No Inactivity
 Uncensored Chat
 Dragonship fix for 2x Jhen
 Screenshot Mode*
 Jhen+ Anytime**

*(L Button on CCP) & (Z Button on Wii/Nun)

**Press the HOME button of the WIIMOTE (even if you're using Classic Controller) on quest presentation screen (online red receptionist)


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Things to Note:

It is a a given that "RMHE08 [IMP] aka Impossible Mode" is completely broken and it meant for laughs because of its sheer impossibility.

Specific Speed Listing:

2x
Ceadeus
Jhen Mohran

1.55x
Gobul

1.5x
Ceadeus (2nd out of 3)

1.5x
Qurupeco

1.35x
Gigginox

1.3x
Royal Ludroth
Great Jaggi

(Speeds below 1.3x are less noticable)

1.28x
Barroth
Uragaan

1.25x
Rathalos
Rathian

1.23x
Lagiacrus
Agnaktor

1.2x
Great Baggi
Alatreon

1.17x
Deviljho

1.11x
Barioth
Diablos