This game has a great story, but the action can be a little repetitive.
Pros - Great storyline, unique concept, challenging gameplay, combat
Cons - Repetitive action, replay value
It initially took me 18 hours to beat Warrior Within. I picked the game up with no prior experience or knowledge about the series, so I was immediately drawn to the acrobatic features and combinations that can be acquired throughout the game. This is easily the best part about the game, although the combos can get repetitive throughout your first playthrough since you probably won't have mastered all of the combos yet. Alongside with the repetitive combat, the Prince also time travels. This means that when you go to 'the warp room' and change time, you also have to work your way back through the same traps, just a bit varied. This can be fun and interesting the first few times, but the story depends on time travel, so you may go through the same set of traps 4 or 5 times.
In addition to learning new combos, you are also able to acquire things called 'Sand tanks' which ultimately control the game. You can use them to do things like slow or reverse time. Other items that give the game a little replay value are 'life upgrades' which increase your health bar (if all are obtained, an alternate ending is unlocked) and 'secret weapons' which vary from real swords, to a Mario styled white glove.
Prince of Persia doesn't have much other than the combat, however, the storyline is pretty interesting. Even more so if you've beaten the Sands of Time. Regardless of how tired you grow of the repetitive combat, you'll always be wondering how the game is going to turn out in the end. Besides being repetitive, the most interesting part about the story is how the Prince constantly has to travel back and forth between the past and present times which will end up playing an important role in the conclusion to the story.
Overall, Prince of Persia was worth playing, and I'd really like to play the others, but I don't think I'll go very far out of my way to buy them.