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