Game lags when there are too many mobs

Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response.

We do not have enough information to find the cause of this issue.
Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder]) here.

Once attached, the report will be reopened automatically.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki

The game lags more when there is to many things alive