Beat mission number one on any difficulty.

This is a simple achievement which is done in Mission 03. Here you must kill the giant worm that follows you throughout the plains of the level. There are 2 ways that you can defeat this thing.

Option 1 - when he opens his mouth to do the wind breathing attack shoot some rockets down his throat.

Option 2 - grab anything that shoots and unload on its orange pods.

The worm doesn't actually die, he respawns. So when the intense music stops playing and he disappears for about a minute, you have earned the achievement so leg it out of there before he comes back because when he does, he'll have full health.

Note: YOU MUST FINISH THE LEVEL to get the achievement.

The Moth is huge and while you'll first see it in Mission 04, you can't actually kill it until Mission 05. It will circle around near the top of the mountain you have to climb at the beginning. Pick up the VS laser rifle and blast it 4-5 times and it'll crash and burn into the mountains.

Note: YOU MUST FINISH THE LEVEL to get the achievement.

A guide to all the target marker locations for each difficulty level is available here. Click on the 'SS' next to each letter for an image of the location.

Have the highest score in a ranked game of Elimination. Do this 10 times.

Have the highest score in a ranked game of Team Elimination. Do this 10 times.

Have the highest score in a ranked game of Post Grab. Do this 10 times.

Have the highest score in a ranked game of Fugitive. Do this 10 times.

Receive one of each medal type. See 'Ace Medal', 'Elimination Medal', 'Conquerer Medal', and 'Hunting Medal' on requirements to receive one of each medal type.

To get this achievement there are 2 methods depending on what online achievements you already have.

Method 1- If you are new at this and have no online achievements, well this will make your life easy: follow the guide to get the medals for Elimination, Team Elimination and Post Grab, then when you are going for your fugitive medals follow this method:- Start a game with a friend, on Pirate Fortress, rifles as the default weapon. From the start, the player who is going to win captures a data post while the other player commits suicide using grenades (now in some instances this will end the battle and you will recieve 4000+ exp). Repeat again until the battle ends, getting you anywhere from 3900 exp to 4300 exp. This method should take around 12 hours to get the whole online component of the game complete.

Method 2- If you have all the online achievements and are already above level 10, follow the above method for winning at fugitive; your level will increase quickly, when you hit level 30 it will take 4-6 games like this to level up all the way to 40 so it is about 30-120 seconds per game. Once you hit level 40 it will take 6-10 games per level, so level 30 to level 50 will take around 1hour 30 mins - 2 hours per player.

Kill 10 opponents in a row without dieing in one match. If you die, the tally will reset.

Kill 50 opponents with headshots in online matches.