My only suggestion would be an option to start a new game. I am at the point whre, between lifesteal and absurb amounts of health/armor, I am basically invincible. However, there is currently no way to start a fresh game from the main menu. Any chance you could add some game slots?
Does this game only work on even numbered days? Three days ago I could play the game, two days ago I cannot get a play button to show up, yesterday I can play just fine and now I am not getting the play button to show up. Very strange.
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Kill your self? you might have an old op exploit character. Maybe clear internet cache? But yeah I should add an option like this.