Here is the full list of all 36 CONTRA: ROGUE CORPS achievements.
Clear mission: "The Phoenix Killer".
Obtain above S rank for all the main missions.
Watch all the staff credits.
Get S Rank for Time Left in Mission "Infected Inspection".
Develop/Upgrade weapons 50 times.
Perform a Combo exceeding 3,000.
Clear mission: "Final Battle".
Receive an operation from Wonderfulman that ended in failure.
Clear a mission without shooting even once.
Clear a mission of MR 4 or above without taking any damage.
Clear mission: "Aircraft Take Over".
Clear mission: "Giant Fiend Rematch".
Earn 100,000 or more Credits.
Shoot at least 55555 bullets during missions. (Total for all missions)
Have all 4 body parts of Rare or above equipped.
Clear mission: "Fiends in a Frenzy".
Max out the Mastery Level for any weapon.
Attach 6 B.A.D to a weapon.
Clear mission: "Aircraft Recon".
Destroy 100 vehicles.
Throw an enemy into the press.
Clear an Exploration Mission.
Clear mission: "Giant Signal Probe".
Clear an Exploration Mission"Chaos Assault".
Use a finishing move with Kaiser 100 times.
Play any mission or Carnage League after you have played the game for more than 24 hours.
Get a team score of 40,000 points in Ranked Match or Quick Match.
Get 15,000 points in 1 Ranked or Quick Match.
Get 10,000 technical points in 1 Ranked or Quick Match.
Earn 10,000 or more Carnage Coins.
Score a point in a Carnage League game by throwing a teammate into the opponent team's goal.
Kill a Referee in a Carnage League game.
Clear a mission with 4 players, each using a different character.
Be hit by a vehicle blast with a shield at 0.
Defeat ??? in its true form.
Unlock all other achievements.