Very good game, poses a good challenge because the enemy evolves and there are different types of enemies. Makes you think, I like that. 9/10 , if it had different games modes/multiple levels would be 10/10
final boss is hard, ive played this game to level 9 (beat level 9.) and quit (after attempting to beat the boss like 10+ times each try) 2 times,
The third time is the charm, no?