-Estimated achievement difficulty: 1/10
-Offline: 12 (200

-Online: 0
-Approximate amount of time to 200

-Minimum number of playthroughs needed: 1 (If you miss any on your first playthrough, you can just use Quickplay to get them).
-Number of missable achievements: None
-Do cheat codes disable achievements? No cheats
-Does difficulty affect achievements? No
-Glitchy achievements: None
-Unobtainable achievements: None
Introduction:
If you are familiar with the NFS: Undercover WP7 game that is also out on the marketplace, then you will be familiar with this game. The controls can be a bit touchy, so I recommend going to the game settings and turning the sensitivity right down, this will make the cars a lot easier to handle. There are no missable achievements in the game. However, you may miss the achievements Maximum Overdrive and Full Garage while playing through the game's story, but you can earn more XP through Quickplay if you miss them.
Abbreviated Walkthrough:
Firstly I recommend you go for Clean Run, Cop Out and Gear Head as soon as you unlock those race types. It is much easier to get the achievements early on when the difficulty is still quite easy. They are not hard to get, but much less frustrating early on. You unlock cars as you progress in levels, and your levels go up from earning XP. XP can be acquired through doing certain things in the race, like speeding, drifting, jumping and so on. Winning the race will also give you an XP bonus. If by the end of the campaign you have not reached level 20 and unlocked all the cars, I recommend doing Quickplay Drag Races, as they are the easiest and quickest source of XP.
Conclusion:
Really quite an easy game once you get used to the controls, it should not be too difficult to unlock all the achievements.