I just noticed that when the boom bot explodes on an enemy, it has this skull afterimage. Has anyone else noticed this before or am I just blind? Anyone care to share any other fascinating findings like this while playing the game? h...

Buy and drop shortys for the buy items challenge in replication. And for the headshots use shotguns like the shorty and judge because the pellets will count as separate headshots and you can headshot someone like thrice before they die.