1. If you have doubts about a particular game, you'd do well to post this question on that game's leaderboard forums instead, to get the attention of other runners and have a better chance of getting an answer.
2. It'd probably be better if you could be more specific as to what you mean by "client", as I don't have the faintest idea what that entails.

Probably Minecraft

been a while since i last saw a lost mc runner