A very good trilogy of games at a very good price... Let's take the games in order:
Devil May Cry: The first in the series and personally I consider it the most difficult (yes, 1 and 3 are difficult, especially from hard mode and onwards) as it is the oldest and the camera has some issues that increase the difficulty of the game. However, this does not make it a bad game in any way. Its graphics and gameplay, like the other two, are okay, but it is the gameplay that makes it stand out. With many combos and various combinations of "weapons" and "swords," the gameplay is not just simple button mashing like many hack n slash games. The story is quite good with humor without excessive exaggerations. Of course, since we are talking about an action game, the soundtrack is epic and full of adrenaline. I believe Dmc 1 deserves a 9/10!
Devil May Cry 2: The weakest in the series and rightfully so, as the original creator was absent and the game was released in a short period of time. The story is completely uninteresting as Dante suddenly became serious, etc... The gameplay is ridiculously easy, even in must die mode (the highest difficulty), and personally, it seemed a bit strange, but in no way terrible... The graphics and music are okay. It has 2 characters that you can play. Lucia (the second character) is nothing special, as it is simply Dante's story from a different perspective. As a game, I would give it a 5-6/10 at best. (At least it has a very easy platinum trophy)
Devil May Cry 3: EPIC... Definitely the best in the series with the best story, gameplay, graphics, and soundtrack... The story goes back to the style of the first one, meaning it has a humorous tone, and it is chronologically before Dmc 1. The gameplay is the best because it is the most modern with fast switches between guns and "swords." Full of adrenaline and a very good combat system. It easily deserves a 9.5-10/10!
In summary, a very good trilogy at a good price for fans of hack n slash games!