CANT HAVE ENOUGH PRINNIES!!!
The storyline is rather... not serious, but hold your horses, the hilarious dialogue will keep your funny bone tickled for hours. Not to mention the multiple storylines (around 20) that the game includes. If funny isn't the right type for you, there are a few sad moments throughout the game (if my prinnies exploding count as sad *sob*).
Despite the story being a laughing stock, Disgaea has revolutionary game mechanics. The first thing that I noticed is the astronomical numbers associated with this game (e.g. The level cap of 9999, the stats cap of hundreds of thousands to the millions), you might be thinking, 'oh great, another grinding game'. But I'm sure that many that have picked up Disgaea have come to their senses: 'oh this is 101x more content than most other SRPGs and RPGs'. When you are done leveling your characters, you can begin leveling your items to make yourself stand tall among your friends in multiplayer (sadly, no Wi-Fi support) in randomly generated (and thus adds to the variety) maps called "item world"
The graphics is pretty good, I loved how when a character is angry, surprised, or annoyed, their on screen sprites reflect their emotions. Making them erm...more lovable. The battle animations is great and once you start to obtain the higher tier skills, they become much more interesting to watch
The voice-acting fits the funny storyline while the sound during animations is not pretty good too. Nothing special here though.
Overall, Disgaea is the game for those of you who want more from your RPG or SRPG games, don't let the childish look of the front cover turn you down. Like I said, it's worth every one of it's 9999 levels.
Final Score:
Story: 9/10
Gameplay: 10/10
Graphics: 8.5/10
Sound: 8.5/10
Originality: 10/10 (gotta give NIS credit for bringing us prinnies)
Overall: 9.5/10