I'll be honest here. You got some good games. But you never update them more than once or twice. You just move on to the next idle game, not caring about anyone playing your older ones. This makes staying on this game less appealing and you will start to lose players.
BUG: Well, not actually a MAJOR bug, but for them OCD people out there (Like me) this one can be a real bother. When buying buildings by 10x really fast (I'm not sure if it's the same with 100x or 1000x) it can mess up and instead buy max, if max is less than 10. I'm playing on Firefox.
To clarify, Eviscerate will always have a 600 second cooldown. When a creature dies the cooldown goes down by 1-10 second(s). It does not mean that the total cooldown goes down by 1-10 second(s) as in 600 second cd and then killing something reduces it to 590 permanently.
Needs a "Buy Most Efficient Equipment" button, trying to calculate what is the best to buy at the moment is time consuming and rather difficult at high numbers.
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How old is your computer? You can go to More > settings and disable particles to help the lag :)