Pokémon ruby was one of the first Pokémon games I played all the way through to the end, so I think I would like to share my opinion of this game with you all.
This game features the legendary grouden on centers on you just starting as a Pokémon trainer, making your way up to become the champion and beating your rivals, as well as trying to catch all the Pokémon.
It also gives you the opportunity to capture Latias after you beat the elite four, which I found was a good challenge.

My Overall rating- 9.1
The Pokémon games are all classics in my opinion, offering good easy game play that is good for taking up free time or just generally preoccupying you. Pokémon ruby isn't really any different from the others, its the same old catch all the Pokémon beat all the gyms and become the champion.

Graphics- 9
I think that this game along with Sapphire started a bit of a Pokémon move animation revolution and this one is actually in color which I liked.
Some neat little things I enjoyed about the graphics are your reflections in the water, you can actually go behind houses for once, and when you walk on the beach your footprints slowly fade..

Sound-7
The Pokémon games have always had that annoying music in every town, but at least in this one its not to terrible as far as repetitive sounds in every town and the same sounds for just everything! So I liked the variation, but the noise still gives me a headache if I leave the volume on to long haha

Addictiveness-10
This game just pulls you in right from the start, whether it be grinding or traveling or even just solving a puzzle like with the regis, you always have something to do in the game that keeps you busy, never a dull moment in it so to speak. So I would give it a good 10/10 on addictiveness because once you start, you will have to force yourself to eat and carry out the daily processes of life.

Story-6
The story in Pokémon ruby is just about the same as every other Pokémon game, catch the Pokémon, become the champion, stop the bad guys from taking over the world, blah blah blah....

Depth-10
I think this game has great depth since it will take 200++ hours to beat it, if not longer. It also has several online competitive gaming aspects to it with the secret bases and battle frontier as well as the Pokémon trading over wi-fi feature that was introduced in ruby/sapphire.

Difficulty-
This game isn't extremely hard because even in defeat you generally get a ton of experience from taking down at least ONE of the enemies Pokémon before losing, the hardest part about this game is the elite four and most players have beaten it 2343285 x 10 to the 3rd power times... the most difficult part about the game is simply finding enough time to play it all the way through to the end.