Lost Planet 2

If you are fortunate enough to own 2 Xboxs and 2 copies of LP2, or a boosting buddy, then this guide is for you.

Seeing as this game has almost been completely abandoned except for the odd weekend afternoon, you can easily boost Ranked matches with a boosting buddy or account.

1) SETTING IT UP:
Have the boosting account/buddy custom search a game of Elimination (you can also do Post Grab but Elimination is quicker to complete) on any map to your preference.

I highly advise that you purchase the Map Pack 1 or 2 (400MSP) as 95% of players don't own them and nobody actually likes them. I always chose one of the two to avoid anybody ever joining my lobby. You can do this on the shipped maps but it can be more of a hassle.
Don't play Ranked Matches at night time! You will ALWAYS encounter players on shipped maps at that time!

Join the lobby through custom search and wait about 3 minutes. If anyone joins the lobby and they aim to stay, have your main account leave the lobby. It'll give the impression that you won't have a full lobby and they will leave. Set Default Weapons to Long Ranged and have yourself equip a Plasma Gun II.
If all goes to plan uninterrupted, your game will start 1v1.

2) THE BOOSTING:
When the game begins, have the main account run to the other player (you might get lost at first. lol). Once there, get either above their character or behind them and aim for the head with zoomed scope with your Plasma Gun II, and headshot them.
The boost account/buddy will be able to instantly respawn afterwards. Try to get them to spawn back to the location you killed them. When they respawn, they will be exactly where they were before. Assuming your rifle is still aiming at their head, have the boost account/buddy fire one bullet (this turns off the spawn protection) and then headshot them again.
Rinse and repeat this action and you will eventually come to a point where the boosting account/buddy is low on Battle Gauge, meaning 1 more kill and the game is yours.
Each game can be as quick as 3 minutes!! 20 kills a game.

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HOW TO MAKE A BOOSTING ACCOUNT:
Make yourself a new gamer profile and join live. You will be sent through a bunch of confirmation nonsense and email notices. After passing through it all, choose to join free month and you will be required to input your Paypal details, mobile/phone number. You won't lose any money and you can easily take away your Paypal records when the month is up via. Paypal then xbox settings.

PURCHASING A MAP PACK (2 for the price of 1):
If you are using a boosting account and have 2 Xboxs or can share your gamertag with a trust worthy friend, have the boosting account/friend buy a Map Pack on the Xbox where your real gamertag's memory is on. Once downloaded, get the dummy/friend to download the Map Pack again on the 2nd/their xbox in the download history. The rights go to the xbox it was originally downloaded on and also the gamertag that bought it, so anyone on your real xbox gets to access the DLC without needing the dummy/friend's gamertag signed in on the same console.

LAST WORDS:
This method is perfect for getting your 1000 Online Kills done in the process, although this will not increase your Gunner rank unless you play against a higher rank than you (what a dumb concept Capcom...). Give it a shot! But I warn you, try to avoid the shipped maps as they are commonly played on by others. This method is bullshit-free stress-free but it can get repetitive, so take your time and relax. The game isn't going anywhere. :)

P.S. Don't assume you can boost your way up to Rank 1 using this method. Some people have hacked the boards before I even made this guide. I'm previously made it to Rank 19 on 2 Ranked Leaderboards and was blocked from progressing any higher thanks to them... unless they lose one game :/

Feedback is appreciated. Any questions I'm happy to answer. ;)

Centurion - Win 100 Online Ranked matches

Your win ratios can be used to track your progress. They can be found in the Ranked Match Statistics section in the My Page menus. Multiply your matches played of one game type by your win ratio of the same game type. This can't be done for the Elimination game type

This achievement is called "Centurion" and is unlocked by winning 100 Ranked battles in Online Mode.The Ranked battle modes are Elimination, Team Elimination or Data Post Battle. You will get wins more often if you play either Team Elimination or Data Post Battle as it can be tough to win Elimination if you're not great at the game. You can tell how many games you have won in the Ranked statistics menu by multiplying your amount of games played by your win ratio (for some reason there's no games won stat) .

If you're only looking to get wins and aren't concerned with kills, there is a faster method you can use.

Whether with a dummy or another person, custom search for a Post Grab match on a Small map. Take note of who searched first since this person will be the host. Once both people are in the lobby, have the host press to bring up a text box asking if you want to quit. As long as this box is on screen, no one else can join your lobby. This is a way of avoiding random players joining, essentially locking your lobby until the game starts.

Now you get to vote for the map with the non-host by pressing RB. Use either Turbulent Jungle or Kraftwerk. The first layout of both these maps only have three data posts each, and can thus be finished very fast. Go in the post order 1-2-3 on both. If you do either map more than once in a session you'll get its second variant, which has more posts in trickier locations. For Kraftwerk 2, just go 1-2-3-4-5, simple once you learn where to go. The last two posts are underwater below the map, there is a passage down in the pool above post 4. On Turbulent Jungle 2, depending on where you spawn, either go 4-3-5-2-1 or 5-3-4-2-1. To get to the last post, grapple onto one of the tall pillars surrounding the central tower, then up to the post.

Whatever you choose, you'll have to play two rounds in each match. Once you're used to the map layout, this still becomes faster than one-round Elimination games.