Use this list of Gamerscore Points:
20 pts. Wheel Specialist: Deploy Wheeled Chassis 50 times.
20 pts. Tread Specialist: Deploy Treaded Chassis 50 times.
20 pts. Hover Specialist: Deploy Hover Chassis 50 times.
20 pts. Sniper Complete: Finish the Sniper arc in Story mode.
20 pts. Defense Complete: Finish the Defender arc in Story mode.
20 pts. Command Complete: Finish the Commander arc in Story mode.
20 pts. Biped Specialist: Deploy Bipedal Chassis 50 times.
20 pts. Gunner Complete:Finish the Gunner arc in Story mode.
20 pts. All Tact. Complete: Finish all missions in Story mode.
20 pts. Tact. Instructor: Get top marks in every Story mode mission.
20 pts. Inverse Specialist: Deploy Inverse Chassis 50 times.
20 pts. Multi Specialist: Deploy Multi Chassis 50 times.
20 pts. Scout Complete: Finish the Scout arc in Story mode.
20 pts. Soldier Complete: Finish the Soldier arc in Story mode.
20 pts. Crushing Award: Destroy the enemy and survive 100 times.
20 pts. Combat Award: Win 10 times when outnumbered.
20 pts. Storming Award: Attack first 30 times.
20 pts. Survival Award: Return alive 10 times in a row.
20 pts. Scout Valor: Max out scout experience level.
20 pts. Command Valor: Max out Commander experience level.
20 pts. Red Flag: Win 100 times.
20 pts. Bronze Flag: Secure a COMBAs 100 times.
20 pts. Bronze Wing: Destroy 50 or more Hounds.
20 pts. Bronze Hammer: Destroy the enemy HQ and win 50 times.
20 pts. Soldier Valor: Max out Soldier experience level.
20 pts. Gunner Valor: Max out H. Gunner experience level.
20 pts. Silver Flag: Secure COMBASs 300 times.
20 pts. Silver Wing: Destroy 100 enemy HOUNDs.
20 pts. Silver Hammer: Destroy the enemy HQ and win 100 times.
20 pts. Sniper Valor: Max out Sniper experience level.
20 pts. Defense Valor: Max out Defender experience level.
20 pts. Bronze Patriot: Stay with the same nation for 3 seasons.
20 pts. Gold Hexagon: #1 in average seasonal fame.
20 pts. Gold Lion: first in seasonal conquest points at end.
20 pts. Military Service: Deploy 300 times.
20 pts. Gold Eagle: #1 in total fame for a given period.
20 pts. Gold Cross: #1 in seasonal fame at end.
20 pts. Marching Service: Travel 1000000.
40 pts. Neroimus War Medal: Affiliated nation wins Neroimus War.
20 pts. Capital Occupation: Affiliated nation destroys another.
20 pts. Nation Resurrector: Revive affiliated nation.
20 pts. Gold Wing: #1 in average total fame for a given period.
20 pts. Gold Sword Cross: #1 in total conquest points for a given period.