yes, for example World of Tanks always uses same key, replays are simply a dump of network traffic to a file = encrypted with same key. Here is a project decrypting replay files (so a network traffic stream) and interpreting data.<p><a href="https:&#x2F;&#x2F;github.com&#x2F;evido&#x2F;wotreplay-parser" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;evido&#x2F;wotreplay-parser</a><p>with a bit of work this could be modded to work live on network tap. You could even generate heatmap for current battle on second screen while you play.