Difficulty:

Easy

Time Spent:

10 to 20 Hours

The Bottom Line:

"Mixed reactions"

Ok, let me say that i have played all paper mario games, and this one was better than Super Paper Mario (at least for me), but it was not what i expected and thats why i am disappointed.
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GAMEPLAY: The gameplay is really fun, the battles are funny, but it has some flaws:
*First, there is no leveling and stuff anymore, instead, you get HP upgrades that are found like the heart containers on Zelda, and for what was once a RPG, it is disappointing.
*Second, everything is about stickers in the game, and that is something you already should know, but there is something annoying about it: sticker "things"(Yep, they are called that way) Those are some powerful stickers, very very powerful, and it mess up the bosses in the game because to defeat them, you can only use 2 or 3 of them and thats it, there is no challenge. You have to find the right sticker thing to defeat them, if you do it other way, there is more chances that you will fail. If those sticker things wouldn´t be a part from battles, the game would be way more challenging and strategic. And if you used one of those thing stickers in battle and you needed it to use it on the map(outside of battle) well, you are screw and you have to either buy one again or search for it again. They should had separated them like for "Quest items" and "Special battle items" or something like that at least.
*Three: Sticker things, yep, again, but this time on map.Sometimes you will have to use certain stickers in several places, and that makes you think "what sticker do i have to use?" But sometimes that gets annoying, as you have to be changing of "view" to see if you can use a sticker or not, and the game does not give you any clue of that, they dont either tell you a clue of what sticker use, and that can take you to frustation.

Putting all those serious flaws aside, the game manages to be really fun, the battles are funny, doing timing attacks to do more powerful attacks, what i missed from them were the Stylish Moves and the Star Powers, but oh well...
The gameplay on the map is good, it is like based on levels, where you have to reach a star to complete them. I found the world map great and useful, as you will have to backtrack to some places a lot of times.

So in total, i give gameplay a 7.5
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STORY: ...............BAD... I really was expecting a deep story like paper mario thousand year door had, or super paper mario, but nope, you are not finding that on here. Instead of that, you get the typical story, again:
There is a Sticker Fest, and Bowser somehow arrives and touch a star that is not supposed to be touch, why put something that dangerous in a place like that? Dunno. Anyway, he touches it, making it divide itself in 6 crowns, Bowser kidnaps Peach again, why? No reason, just being Bowser, and now Mario has to rescue Peach and get the 6 crowns.
So original and deep the story right?
At least the game has a lot of humor, and that is a good thing, so i give the story well, a 5. Not original at all.

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GRAPHICS: They are great, there are a lot of animations and some of them funny, and the graphics are like the thousand year door.
Graphics get an 8.
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SOUNDTRACK: The soundtrack is really well done, i really liked the soundtrack from this game, even a boss battle attacks depend of his awesome battle theme. Overworld has really good music, and you will never get annoyed with it.
Soundtrack deserves a 9.
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OVERALL:
The game was disappointing, as a lot of people expected something like PM:TTYD, or even better, but it was not.
The game has its flaws, that were listed above, but if you can get past them, you will really like the game, as it has a lot of good things too, and is really fun.
I recommend this game to every 3ds owner, and i give you 2 tips:
1-If you are frustated and dont know what the heck to do, just search for it on google, easy as that.
2-If you find the boss battles so really easy, then try doing them without any Sticker Thing, now that is a challenge, which for me, is much better, and how i think it should had been. (I recommend doing this for a second time you play, not on the first one, so you will be used to the game...)

So, buy the game, it lasts like 20 hours plus some side quests, it will give you a lot of time of fun...Some frustations yea, but the fun can get past that.