Unstable Shadow Trials (Ludum Dare 49)

2D Top down shooter Jonathan was just sleeping another night as usual but then he woke up to a different reality. He woke up to the sight of the shadow trials master and learnt that to go back to his life he will have to complete the trials. What he didnt know is that those trials were very unstable, the arena will start collapsing the more damage it gets(projectiles hit the walls will rise the meter when it reaches 100% it will cause random instability event) and the enemys themselves are unsta...