game.tick = function() {
    var self = this;

    _.each(self.all_parts(), function(p) {
        p.clear_buffs();
    });

    self.mana_generated(0);
    self.arcana_generated(0);
    _.each(self.spent_mana(), function(sm) {
        sm.val(0);
    });

    _.each(self.connected_nodes(), function(n) {
        if(n.part() && n.part().apply) {
            n.part().apply(self);
        }
        if(n.part() && n.part().tick) {
            n.part().tick(self);
        }
    });

    _.each(self.all_parts(), function(p) {
        p.highest_stats.recompute();
    });

    var net = self.mana_generated();
    _.each(self.spent_mana(), function(sm) {
        net -= sm.val();
    });
    self.net_mana(net);

    self.save_ticks.inc(1);
    if(self.save_ticks() >= 60) {
        self.save_game();
    }

    var connected = self.connected_nodes();
    for(var x = connected.length - 1; x>= 0; x--) {
        var node = connected[x];
        if(node.part() && node.part().reverse_apply) {
            node.part().reverse_apply(self);
        }
    }
};

game.pause();
game.unpause();