Here is the full list of all 17 Battlevoid: Harbinger achievements.
Win hard difficulty.
Destroy 50 factories.
Destroy 30 factories.
Win easy difficulty.
Escort 10 ships.
Destroy 15 factories.
Complete 50 missions (Destroy enemy ship).
Complete 50 missions (Visit sector).
Complete 30 missions (Destroy enemy ship).
Kill nemesis.
Destroy 5 factories.
Complete 30 missions (Visit sector).
Complete 10 missions (Destroy enemy ship).
Complete 10 missions (Visit sector).
Win normal difficulty.
Escort 30 ships.
Escort 50 ships.