People like free roam.. And the fact you can kill people is even better..
It depends on what you like playing..
Metacritic Scores
94 Grand Theft Auto: Chinatown Wars
92 Chrono Trigger
88 Pokemon Platinum
86 Peggle: Dual Shot
84 Dragon Quest V: Hand of the Heavenly Bride
82 Bomberman II
81 Fire Emblem: Shadow Dragon
81 Henry Hatsworth in the Puzzling Adventure
81 Retro Game Challenge
81 Personal Trainer: Cooking
80 Final Fantasy Crystal Chronicles: Echoes of Time
79 Big Bang Mini
79 Suikoden Tierkreis
78 Age of Empires: Mythologies
77 Puzzle Quest: Galactrix
76 Valkyrie Profile: Covenant of the Plume
75 Zubo
75 Tale of Despereaux, The
75 Elebits: The Adventures of Kai and Zero
75 Avalon Code
74 Moon
72 Boing! Docomodake DS
72 Colour Cross
72 100 Classic Book Collection
72 Puchi Puchi Virus
72 Blue Dragon Plus
71 Ultimate Band
71 SimAnimals
70 XG Blast!
70 Neopets Puzzle Adventure
68 My World, My Way
67 Legacy of Ys: Books I & II
67 Football Director DS
64 Prince of Persia: The Fallen King
61 Lord of the Rings: Conquest, The
59 101-in-1 Explosive Megamix
58 Chase: Felix Meets Felicity, The
57 Last King of Africa
52 Syberia
51 Left Brain Right Brain 2
46 Mushroom Men: Rise of the Fungi
40 Inkheart