Scavenger
Pick up another player's weapon and down an enemy with it 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This is easily completed in the “Strikeout” game mode. All you need to do is pick up a weapon (gun or melee weapon, not gadgets) off of a dead enemy's body, you don’t even need to kill that enemy. Now, use that weapon to down an enemy player. If you die, you will respawn with your normal loadout and will need to acquire an enemy’s weapon again.
Unflappable
Complete the tutorial 
The tutorial does not automatically start the first time you play the game. You will need to select “Tutorial” from the list of game modes in the main lobby. You cannot play the tutorial with other people in your lobby.

Decimated
Down 10 enemies 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This is cumulative (you don’t have to do this in a single game) and should be unlocked through the normal course of play. This is for downing, not eliminating enemies. Again, “Strikeout” is your best chance to get downs and eliminations; however, “Demolition” is just as viable for cumulative trophies, though it will possibly take longer in this game mode.

Dima is a good Rogue to earn this with as he is entirely offensive and has pretty straightforward abilities, gadgets and perks. Also, his primary gun, the KA30, has very low recoil; however, feel free to use whichever Rogue you are comfortable with.

Gunsmith
Fully upgrade a primary weapon 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

Every Rogue has two primary weapons available to purchase. You only need to fully upgrade one of them. Your primary weapon costs $8,000 to purchase and can be upgraded 3 times for $5,000 each (a total of $23,000). Again, “Demolition” gives you the best chance of earning enough money, but this is also doable in “Strikeout”. Just make sure to play a good game to earn the money and focus on spending it toward your primary weapon.
Perky
Purchase 3 perks in a single match 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

Purchasing gun upgrades, gadgets, and perks can be done at the beginning of every round in “Strikeout” and “Demolition”. The cheapest 2 perks are always on the left side of the screen ($4,000 each), the 2 moderately priced perks are in the center ($6,500 each), and the 2 most expensive perks are on the right ($10,000 each). The cheapest way to get this is to purchase the two cheapest perks and one of the moderately priced perks ($14,500 in total).

In both game modes you start out with some money, but you have a better chance of earning more money in “Demolition”. Plus, in “Strikeout” you need to be more strategic with your money to actually have an impact in the game, whereas in “Demolition” you can easily come back even after spending your money foolishly. Purchases cannot be canceled or refunded, so pay attention to what you buy. Money is awarded based on your performance, while winning the round is important, it is also important that you are carrying your weight by getting downs, eliminations, and revives. Focus on purchasing perks in a single match and you’ll earn this trophy.

No Respect
Down an enemy with a gadget while looking away from them 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

To learn more about gadgets, see Grenadier. This can be done with any explosive gadget; you just need to remember to look away before the explosion. The easiest gadgets to use are the grenades, trip mines, or Dima’s MIRV Launcher.
Grenadier
Deal 1,000 damage with gadgets 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This is cumulative (you don’t have to do this in a single game) and should be unlocked through the normal course of play. All Rogues can purchase a gadget (grenades, trip mines, etc.) for $4,000 and upgrade them two times for an additional $4,000 each. These are single use during a round and can be used with . Also, all Rogues have a primary ability ( + ), which replenishes in “Strikeout”, but not in “Demolition”. Only the primary abilities that count as explosives (Dima’s MIRV Launcher, Ronin’s Ballistic Knife, etc.) will count toward this trophy.

Four's a Party
Down 4 enemies in one round 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

The easiest way to get this down is in “Strikeout”. Just play aggressively and you should easily get 4 downs in a single round. Dima is a good Rogue to earn this with as he is entirely offensive and has pretty straightforward abilities, gadgets and perks. Also, his primary gun, the KA30, has very low recoil; however, feel free to use whichever Rogue you are comfortable with.
Zeal
Down an enemy with a melee weapon 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

Every Rogue can purchase a melee weapon for $4,000. The easiest way to get this is during the first round of a “Demolition” game. Your initial purchase should be a melee weapon, pretty much everyone else in the game will only have pistols in the first round. Rush an enemy and begin to melee them until they go down (3-4 hits).

Thrifty
Win a match without purchasing a primary weapon 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

Unless you are really good with pistols, I recommend playing “Demolition”. For this, you’ll need to hope for some good teammates and some bad enemies. You can purchase anything in between rounds, except a primary weapon. Although, you can pick up and use primary weapons dropped by dead teammates or enemies. Your loadout will be reverted to normal if you die and/or at the start of a new round, so you can’t keep an enemy or teammate's primary weapon.
Ambush
Down an enemy without taking return damage 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This will probably just happen randomly in a game; however, a good strategy is to flank the enemy team after they have captured the point in a game of “Strikeout”. Some Rogues can also purchase a $4,000 perk that makes their footsteps silent when not running. Lancer’s (not a base Rogue, see Good Company for more information) primary ability, Quick and Quiet, allows her to run faster and quieter when activated.


Moneybags
Accrue a total of $70000 in a single match. 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This is actually not a lot of money to earn. This just relies on you playing a good game (getting downs, eliminations, and revives), while winning rounds. “Demolition” is the easier game mode to earn this in as you will likely play more rounds than in “Strikeout”, but it is doable in a long game of “Strikeout” too.
 
Not Even Close
Down an enemy while you have less than 10% health 
Note: You can’t get any trophies in any game modes labeled “(Bots)”.

This will come randomly through natural play. All Rogues start with the same base health, although some Rogues can purchase a perk, which adds additional armor and counts toward your health percentage. Chaac’s (not a base Rogue, see Good Company for more information) primary ability, Stim Pack, allows him to overcharge his health too. Keep these additional details in mind when trying to earn this trophy.