A possible concise summary is:
Three friends play a submarine game where they have to hunt a swarm of monsters in the ocean. They encounter various problems such as leaks, fires, power outages, and navigation difficulties. One of them tries to rescue another who died outside the ship, but gets trapped in a smaller sub and drowns. The third one laughs at their misfortune and fails to save them. They all die in the end.
Here are the key facts extracted from the text:
1. The text is a transcript of a video game session where four players are trying to survive in a submarine.
2. The players are Wade, Mark, Bob and Gerald, and they have different roles such as captain, engineer and gunner.
3. The players encounter a swarm of hostile creatures that attack their submarine and cause leaks, fires and power outages.
4. Mark dies and tries to get rescued by Wade in a smaller submarine, but fails to open the hatch and drowns.
5. Bob tries to fix the leaks and the reactor, but also dies from an overdose of antibiotics.
6. Wade struggles to control the submarine and eventually tries to kill himself and Gerald by crashing or exploding the submarine.