Kill 50 enemies by using water.

Complete the campaign on Hardened difficulty.

Complete "Captured."

Complete "Throttle."

Spend 20 exo upgrade points.

Boost jump, dash forward, then air stomp on an enemy.

EMP 10 enemy aircraft out of the sky with the hovertank in "Bio Lab."

Kill 4 enemies with a single smart grenade.

Complete "Sentinel."

Stop an AST with an EMP grenade.

Complete "Aftermath."

Complete "Fission."