Here is the full list of all 44 Rifle Storm achievements.
Visit every location in a region.
In the final battle, defeat the final boss after defeating all other enemies.
Unlock all the squads.
Win 25 games.
Make a deal with a special force operator.
Win 5 high threat battles in one game.
Defeat a boss before their turn.
Reach the final phase without upgrading anything.
Reach the final phase without spending cash at stores.
Have 10 or more gadgets in one run.
Reach the 4th phase without a soldier falling.
Attack with a weapon 4 or more times in one turn.
Have a soldier with 3 blights.
Return a grenade back to an enemy.
Win a battle using only fists or knives to deal damage.
Deal over 100 damage to a single enemy.
Have a soldier with 15 or more Speed during battle.
Heal a total of 100 or more health in one turn.
Deal damage to 4 or more enemies with a single grenade.
Have a soldier survive a combined 100 points of damage.
Defeat an enemy by knocking back.
Win a battle using only reactions to deal damage.
Defeat an enemy by triggering an allies reaction.
Jump to a tile over 7 high.
Neutralize 2 enemies with one weapon attack.
Win a battle with only one soldier alive.
Defeat an enemy with a status effect.
Win a battle without taking any damage.
Flashbang 3 or more enemies with a single grenade.
Move 8 or more tiles in a single turn.
Have in total 8 or more Fire on a single enemy.
Defeat an enemy with a healing ability.
Defeat 3 enemies with Fire in a single battle.
Beat the game with any squad.
Beat difficulty 5 with any squad.
Beat the game with every squad (any difficulty level).
Beat the game with a single gadget.
Beat the game without using a single rare item.
Beat the game with no starting gadget and ability.
Beat the game with 4 of the same soldier classes.
Beat the game with 4 different soldier classes.
Win a battle in the final phase without reviving a soldier.
Equip all soldiers with the same weapon type.
Have every gear slot used.