Voxel Aliens

as i can see this is the older version of my game (no back button in the game)sorry i will upload the new version

I learning video game development and i want to know what do you think about my game!

1. After you die - Retry button
2. slow down the enemies and make them faster the more you shot down the faster they be
3. the score seems not to be counting

Dont give up. so far not bad. i want to see what can u make in the future.