Here is the full list of all 34 Heavy Fire: Shattered Spear achievements worth 1,000 gamerscore.
Complete the 2nd mission.
Complete the 3rd mission.
Complete the 5th mission.
Complete the 7th mission.
Complete the 8th mission.
Complete the 10th mission.
Complete the 12th mission.
Complete all missions on Rookie Mode.
Complete all missions on Veteran Mode.
Complete any mission without being hit.
Complete any mission with 50% accuracy or higher.
Complete a level without causing any destruction.
Perform a QTE perfectly in one level.
Score 250 total kills.
Score 500 total kills.
Score 1,000 total kills.
Complete the last mission on Veteran Mode without using checkpoints.
Perform 50 total headshots.
Perform 100 total headshots.
Perform 4 splash damage kills simultaneously.
Perform 5 splash damage kills simultaneously.
Perform 5 headshots in a row.
Chain together 5 consecutive kills.
Chain together 7 consecutive kills.
Find and destroy 50% of special objects.
Find and destroy 75% of special objects.
Find and destroy 100% of special objects.
Fire 25,000 rounds of ammunition.
Kill 500 enemies with an additional/special weapon.
Kill 250 enemies with a pistol.
Achieve 100% sniper accuracy.
Destroy all red barrels in one level.
Destroy 200 total destructible objects.
Destroy 500 total destructible objects.