41. Muramasa: Demon Blade

I wasn't sure if this was even going to be on the list since the story is a bit disjointed and it has some difficulty spikes that kinda diminish enjoyment in one playthrough, but it still is incredibly fun with a ton of uniqueness and style. I'm glad I pulled out my Wii this year and finished it.

40. This is the first of what I hope many Vita games to come that may grace this list.

Correct.

OK, my friends. Clue for #40:

This game has a bridge, a beach, a park, a mountain, a stadium, a jungle, a desert, a cruise ship, and a castle. And you can visit them all.

Mario Kart: Double Dash!!

Mushroom Bridge

Peach Beach

Baby Park

DK Mountain

Waluigi's Stadium

Dino Dino Jungle

Dry Dry Desert

Daisy Cruiser

Bowser's Castle

Daisy Cruiser is really a good course, from replaying it in Mario Kart 7.

My number 41th is Pokémon Emerald Version. When I my parents bought it for me back in the day, I did not expect much of the game, since Ruby was quite dissapointing and probably the worst main Pokémon game to date.
However when I played Emerald, I had alot of fun.
I think that in total I might have clocked of 500 hours of gameplay in that game, however it is not the best of Pokémon game, there are two that are better.

Hint fo 40th:
The game incorparated a mix between two dimensions in the series. Even the creator of the franchise said something about making everyone happier by doing it.

#41 - Luigi's Mansion was a bright light in the GameCube's library. Some might consider it a little bit childish maybe, but it is very adventurous and can make mind boggle from time to time. It has a fun story and interesting gameplay too. Originally, this game was supposed to be in 3D (as in 3D-tv), but Nintendo decided not to include the necessary hardware in the GameCube to do this. Or it was the other way around. I don't remember the details. Anyway, maybe this decision was for the best, likely because of it we finally get a sequel. In 3D!

#39 - ?
This PC game was also on XBox and GameCube. It is set in a very popular universe, but not ours. In this game, you got followed to a place of power, where the bad guy uses it to create super... men? What are they anyway?

:D That's it!

#42 - Summoner 2 (PS2

As guessed by Lestatdark.  An absolute hidden gem for me, Summoner 2 is an American RPG which plays a little like a western hack-n-slash but feels quite a lot like a JRPG.  There's an eclectic and surprisingly well developed cast of characters.  There are a variety of beautiful locations, fantastical spells and interesting monsters.  There's a story that's not mind-blowing but is interesting enough to keep you going, and the game doesn't overstay its welcome - 18-20 hours on the first playthrough which was just right.

Clue for my #40 - The first game in a series built around a 'new' way of control.

I'm probably off, but the clue made me think of this:

New Play Control! Pikmin (new method of control, game was the first in the series in Europe since you live in Europe)