Zombies with green blood? Being dead and reanimated did not cause green blood, unless they had sulfhaemoglobinaemia before they died, and ingested large amounts of sulphur-

What was he doing? This was a silly civilian game. Accuracy was too hard to ask for.

"This is it?" he asked, his tone mildly disbelieving as they stopped before the large machine. He slipped the plastic gun out of its holder, inspecting it with a small frown. He knew they couldn't use actual weapons for this game but... it was just pulling a single button?