Here is the full list of all 18 Void Gore achievements.
Collect 2,000 coins
Reach a score of 50,000
Reach hell 12
Collect 32 upgrades
Kill 500 foes
Collect 18 upgrades
Collect 500 coins
Reach a score of 10,000
Kill 64 foes with your shield
Reach a score of 5,000
Kill 100 foes
Collect 6 upgrades
Kill 32 foes with your shield
Collect 100 coins
Reach hell 6
Kill 12 foes with your shield
Kill 10 foes
Reach hell 3