Hello,
I think it would be cool if there was a mode to see how long you could survive wave after wave. Like each round has more enemies, 2x health, 2x fire rate, ETC... Like this post if you think that would be cool. Honestly it is just a small edition to the game, nothing major.
[b]P.S.[/b] Surely there would be some insane world records lol.
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#VOTE