This game is broken down into two main parts, the X-cross tournament and the Event Series. The Event Series is just a series of events that you will need to get a gold medal in all of. The X-cross is a tournament style set up that just has a bunch of events that you have to beat in order to unlock the next ones and so on. You just need to place third or better in these though which makes it much much easier. Alright then now for the guide.
As always, constructive criticism is always welcome.
ACHIEVEMENT GUIDE
MX MINI - 10 points
Win the Fast 50s Minimoto Series in X-Cross Tournament
You have to win a few other events before you get to this one so when you win all those just play and win this one. This one was one of the easier ones in my opinion and probably one of the funnest because you're on a little 50 bike. Not too tough of an achievement though.
MX LITE - 10 points
Win the MotoXXX Freestyle Series in X-Cross Tournament driving an MX LITE
Freestyle is my worst event for some reason. My brother is pretty good at it though, basically he just hits a ramp and does two tricks and lands it. Then while on the ground he does more and more tricks just to add a multiplyer and ends up gettin 8000+ in one trick, and usually you only need around 20,000 to win on the easy difficulty so just do a few of those and you should be good. Make sure you are on a MX LITE bike for this event.
MX - 10 points
Win the Kicker Supercross Series in X-Cross Tournament driving an MX
Just win the series. Not much help I can give other than make sure you have the best bike. I personally use the Swift 450 I think it is, it is a 4 stroke and has a decent top speed. A trick in these races if you have a 4 stroke bike is this, whenever you land a jump and your not going too fast, pop the clutch by tapping LB and you will just take off and reach a good speed very quickly. Do this whenever you seem to be accelerating slower than you would like.
ATV - 10 points
Win the FMF National Series in X-Cross Tournament driving an ATV
Really not a ton of help I can give you other than once again make sure you have the best ATV and the best parts for that ATV. For whatever reason I am just pretty good on the ATV so I don't have much trouble, but just practice and keep doing the event over and over if you don't win and you will get it I promise.
MONSTER TRUCK - 10 points
Win the M2R Opencross Series in X-Cross Tournament
Pretty easy. The monster truck races are pretty easy. Most of the trucks and buggies and things are pretty easy to win. I won almost all of them on my first try second try at the most. You shouldn't have any trouble with this one.
TROPHY TRUCK - 10 points
Win the DWT Opencross Series in X-Cross Tournament
Just like I said in the monster truck event, it is pretty easy and it shouldn't take more than one or two tries to get this achievement. Just don't be afraid to trade a little paint and bump some people out of your way.
SAND RAIL - 10 points
Win the UNI Opencross Series in X-Cross Tournament
Not hard once again, I actually enjoyed driving the sand buggies around.You shouldn't have any trouble beating this event either.
OFFROAD BUGGY - 10 points
Win the PEP Opencross Series in X-Cross Tournament
Another easy one that you will get as your are going along in the X-Cross tournament. Should have no problem with this one like many others in the X-Cross Tournament.
ORV SPORT - 10 points
Win the Oakley Opencross Series in X-Cross Tournament
The last of the different types of trucks and vehicles achievement. This one won't be too tough I am pretty sure I got it on my first run through of the event.
You should have all the above achievement by time you finish the X-Cross tournament just make sure if the achievement is specific to a vehicle USE THAT VEHICLE.
OFFROAD GOLF CART - 10 points
Obtain an Offroad Golf Cart as a reward in the Event Series or X-Cross Tournament.
I did the X-Cross before the Event Series and I got this achievement like halfway through the tournament so just start playing and you will get it in no time. Really no trick to getting it, just play.
Sprocket Collection 1 - 10 points
Collect all Free Ride Sprockets in Clearwater
What kind of game would this be without annoying collectibles? Anyways, on each of the Free Ride levels there are 26 'hidden' spockets. 20 bronze, 5 silver, and 1 gold. There not all that hard to find just look in places you would expect something hidden to be, we have all played enough games with collectibles to have that sense. I will also be posting links for all the lvls with all the sprocket locations.
Sprocket Collection 2 - 10 points
Collect all Free Ride Sprockets in Crawley Creek
Same as Sprocket Collection 1.
Sprocket Collection 3 - 10 points
Collect all Free Ride Sprockets in Del Sol
Same as Sprocket Collection 1.
Sprocket Collection 4 - 10 points
Collect all Free Ride Sprockets in Copper Valley
Same as Sprocket Collection 1.
Sprocket Collection 5 - 10 points
Collect all Free Ride Sprockets in Greenfield
Same as Sprocket Collection 1.
Sprocket Collection 6 - 10 points
Collect all Free Ride Sprockets in Kittery Point
Same as Sprocket Collection 1.
Sprocket Collection 7 - 10 points
Collect all Free Ride Sprockets in Lakewood
Same as Sprocket Collection 1.
Sprocket Collection 8 - 10 points
Collect all Free Ride Sprockets in Pine Lakes
Same as Sprocket Collection 1.
Sprocket Collection 9 - 10 points
Collect all Free Ride Sprockets in Split Oaks
Same as Sprocket Collection 1.
Sprocket Collection 10 - 10 points
Collect all Free Ride Sprockets in Sutherlin Valley
Same as Sprocket Collection 1.
Longest Jump - 10 points
Successfully land a Longest Jump record of 300 ft
This isn't hard at all, you can do it in Free Ride if you want to get it real quick or just do it in a race. I got it in one of the events with a truck I don't remember which one, but they will land everything so they are the easiest to get it with in my opinion but you will get this as you go along I am positive.
Wheelie King - 5 points
Successfully perform a 500 point wheelie
This is best done in the loading screen. First you just need to do a wheelie because your first one will be an automatic 600 points and that doesn't count. To do a wheelie, come to a completel stop, and when you start to accelerate just pull back, but not so much that you flip the vehicle over. This is not as easy as you may think, it will take some practice but just do it in the loading screen on the far right straightaway.
Stoppie King - 5 points
Successfully perform a 250 point stoppie
Similar to Wheelie King, get the initial 500 point or whatever it is stoppie out of the way. Go to the same area of the loading screen, get a bunch of speed, and pull down LT and push forward, but make sure you don't go flying over the handlebars. It will take practice but I thought it was easier than the Wheelie King achievement.
Stunt Man - 10 points
Successfully perform a 5x stunt combination
Pretty simple, just go to the loading screen, right at the beginning to a wheelie(1x), then accelerate and do a stoppie(2x), then hit the red ramp and do at least 2 tricks by hitting B and Y and land it(4x), and then when your on the ground just hit B or Y one more time to do a trick on the ground and get your 5x mutliplyer.
Golden Boy - 50 points
Win a Gold Medal in each Event Series
Just win at least one of the races in each Event Series and you will get this achievement. Just use all my strategies from above and you won't have any problems with the Event Series.
Iron-man Champion - 100 points
Win the X-Cross Tournament Pentathlon Trophy
At the end of the X-Cross tournament there are 5 final events in order to win the big trophy. You have to do these 1 at a time and really all you need to do is get third in each one and you move on, so it is really not that hard. I thought most of these were easier than the earlier ones in the tournament too so once you get to this point you shouldn't have any problems finishing it.
Globetrotter - 25 points
Compete in all available Game locations
You will get this achievement once you finish up the Event Series and the X-Cross Tournament. Not much to it just playing at all the different locations which you will do once you finish those two.
Hall of Famer - 50 points
Set 5 new records
This one you should get pretty early one because as long as you have a pretty good lap in a race you should get a record. As soon as you get 5 you will get this achievement. For more information look at the Speedworld Achievement guide.
Speedworld - 200 points
Achieve one of the top 5 Best Lap Record for each race course
This is just like Hall of Famer but you need a record for every track. If you don't have this by time your done with the Event Series and X-Cross Tournaments then just go to the records page and see which ones you are missing, set up a custom race and get it. Not too tough of an achievement especially for 200 GS.
Shop-a-holic - 100 points
Unlock or purchase all items in MX vs. ATV: Untamed
For this you either need to either buy everything from the store, or complete the game 100%. Your best bet would be to try and complete the game 100% but it is really up to you.
Wreck-less - 25 points
Complete one Freestyle event without wrecking
Really simple, just start up a custome freestyle, and do not move. Therefore you will not wreck and you just have to wait until it is over. If you want to try this during the X-Cross tournament go ahead but it is pretty tough to score a lot and not even fall once.
Connected - 10 points
Win 5 races on-line
Your best bet would be to get a friend and boost this achievement as well as the Winner's choice achievement but if you are pretty good at this game you should be able to get it on your own. Just go to the Xbox Live part of the game and search for a match and win the race. Nothing else I can say to help with that one.
Winner's Choice - 25 points
Obtain the Winner's Choice option 3 times in a row while playing on-line
If you win a race you get to choose the next course and vehicles and everything, and for this achievement you need to get this 3 times in a row. Once again this is best done with a friend boosting but if you are good enough, just go online and search for a match and win 3 times in a row.
Explorer - 5 points
Enter an on-line Free Ride location with at least one other player
Just search for a Free Ride event online and select any of the lobbies with at least one other player in it. The achievement will pop as soon as you are both ready and actually enter the level.
Secret Achievements
ATV "Triple Threat" - 25 points
Win a Gold Medal with the MX in a National, Supercross and Freestyle event series
Simple as it sounds. USING AN ATV, win at least one race in a National, Supercross and Freestyle event series. You should get this as you go but if you didn't, go to the event series standings and you can see which vehicle you used and which event you still need to use an ATV on.
MX "Triple Threat" - 25 points
Win a Gold Medal with the MX in a National, Supercross and Freestyle event series
This is exactly the same as ATV "Triple Threat" except you have to use an MX. Not a MX LITE, a MX.
Hole Shot - 50 points
Win a total of 10 Hole Shot awards during any Exhibition Supercross Event
A Hole Shot is when you are the first vehicle to get past the two black poles on each side of the course after the first turn. You have to finish the race for the Hole Shot to count and you just need 10, so get the timinig of the start down and this shouldn't be hard. You should get this somewhat early on in the game depending on your skill level.
An easy way to get this is to just set up a Supercross race with 1 lap and just you racing. Obviously you will get the hole shot every time and then you just need to finish the race, repeat until you get the achievement.
Kudos - 0 points
Watch the credits till the end
Everyone loves the 0GS achievements. But this one is easy, just let the credits play all the way through and you got it.
Hat Trick - 5 points
Score three personal goals in a row within the same period in Hockey
Hockey is in the mini-games section. Just use an extra controller, move it out of the way and grab the puck and score. Do this 3 times and this achievement is yours. It is very hard if you don't use an extra controller, because the controls are a little weird in my opinion.
Clean Freak - 0 points
Clean your vehicle of mud and dirt by riding through water
Just drive your vehicle into real deep water and it will start to flood. When it floods you should get your 0 GS achievement!
Daredevil - 25 points
Successfully perform a 8x stunt combination
Look at Fearless right below and I will explain what you need to do for this achievement.
Fearless - 50 points
Successfully perform a 10x stunt combination
Ok your going to want to do this in the loading area. Face the red ramp and back all the way up. Do a wheelie and then a stoppie as you head towards the red ramp(2x), hit the red ramp and do a backflip+trick combo(4x), land and hit the blue ramp in front of you and do another backflip+different trick than the first one(6x), and if you have landed that and have your 6x combo just keep hittin B and Y while on the ground to try and get your 10x combo. This will take quite a few tries and if you need to hit another ramp because you can't get up to 10x while on the ground then by all means do so. This achievement is tough and really frustrating, just stick with it and you will get it.
MX MINI - 10 points
Win the Fast 50s Minimoto Series in X-Cross Tournament
MX LITE - 10 points
Win the MotoXXX Freestyle Series in X-Cross Tournament driving an MX LITE
MX - 10 points
Win the Kicker Supercross Series in X-Cross Tournament driving an MX
ATV - 10 points
Win the FMF National Series in X-Cross Tournament driving an ATV
MONSTER TRUCK - 10 points
Win the M2R Opencross Series in X-Cross Tournament
TROPHY TRUCK - 10 points
Win the DWT Opencross Series in X-Cross Tournament
SAND RAIL - 10 points
Win the UNI Opencross Series in X-Cross Tournament
OFFROAD BUGGY - 10 points
Win the PEP Opencross Series in X-Cross Tournament
ORV SPORT - 10 points
Win the Oakley Opencross Series in X-Cross Tournament
OFFROAD GOLF CART - 10 points
Obtain an Offroad Golf Cart as a reward in the Event Series or X-Cross Tournament.
Sprocket Collection 1 - 10 points
Collect all Free Ride Sprockets in Clearwater
Sprocket Collection 2 - 10 points
Collect all Free Ride Sprockets in Crawley Creek
Sprocket Collection 3 - 10 points
Collect all Free Ride Sprockets in Del Sol
Sprocket Collection 4 - 10 points
Collect all Free Ride Sprockets in Copper Valley
Sprocket Collection 5 - 10 points
Collect all Free Ride Sprockets in Greenfield
Sprocket Collection 6 - 10 points
Collect all Free Ride Sprockets in Kittery Point
Sprocket Collection 7 - 10 points
Collect all Free Ride Sprockets in Lakewood
Sprocket Collection 8 - 10 points
Collect all Free Ride Sprockets in Pine Lakes
Sprocket Collection 9 - 10 points
Collect all Free Ride Sprockets in Split Oaks
Sprocket Collection 10 - 10 points
Collect all Free Ride Sprockets in Sutherlin Valley
Longest Jump - 10 points
Successfully land a Longest Jump record of 300 ft
Wheelie King - 5 points
Successfully perform a 500 point wheelie
Stoppie King - 5 points
Successfully perform a 250 point stoppie
Stunt Man - 10 points
Successfully perform a 5x stunt combination
Golden Boy - 50 points
Win a Gold Medal in each Event Series
Iron-man Champion - 100 points
Win the X-Cross Tournament Pentathlon Trophy
Globetrotter - 25 points
Compete in all available Game locations
Hall of Famer - 50 points
Set 5 new records
Speedworld - 200 points
Achieve one of the top 5 Best Lap Record for each race course
Shop-a-holic - 100 points
Unlock or purchase all items in MX vs. ATV: Untamed
Wreck-less - 25 points
Complete one Freestyle event without wrecking
Connected - 10 points
Win 5 races on-line
Winner's Choice - 25 points
Obtain the Winner's Choice option 3 times in a row while playing on-line
Explorer - 5 points
Enter an on-line Free Ride location with at least one other player
Secret Achievements
Kudos - 0 points
Watch the credits till the end
Clean Freak - 0 points
Clean your vehicle of mud and dirt by riding through water
Daredevil - 25 points
Successfully perform a 8x stunt combination
Fearless - 50 points
Successfully perform a 10x stunt combination
Hole Shot - 50 points
Win a total of 10 Hole Shot awards during any Exhibition Supercross Event
ATV "Triple Threat" - 25 points
Win a Gold Medal with the MX in a National, Supercross and Freestyle event series
MX "Triple Threat" - 25 points
Win a Gold Medal with the MX in a National, Supercross and Freestyle event series
Hat Trick - 5 points
Score three personal goals in a row within the same period in Hockey