Originally Posted by Tenhou

It's a thing they implemented because many people had crashes, so in case of a crash you could just redo it. They said they are monitoring and giving warnings/bans to people that abuse it though. How true that is i don't know, but i ain't abusing it.

Ah, that make sense. RNG on maps is frustrating sure, but you retry them enough you eventually get them all 3*'d so I wouldn't abuse it just because my units missed a pest lol.