Ah, this is likely because of the talent rewards that aren't being accounted for, so it still thinks you have talents to invest in. Thank you for catching this; will fix in the future update!
"I've increased the number of additional waves that you can add to a battle, making it possible to complete that challenge. Thanks for the heads-up!" ----- Levels work but there is a Hero badge, the endurance one, that cannot be completed pass Rank 2
Though I understand that unlimited sniper usage is overpowered, it would be nice to snipe *and* attack with it, or snipe and cause its amount of strenght in damage... I'm afraid that it's been nerfed beyond usability.
need to be able to stop units from moving forward and be able to recall them back to previous trenches. Wonderful game, very well made, hope to see longer sequels.
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Ah, this is likely because of the talent rewards that aren't being accounted for, so it still thinks you have talents to invest in. Thank you for catching this; will fix in the future update!