There are plenty of indie games written in Java, there are low-lat GCs available for the JVM (ZGC) that promises sub millisecond pauses, and you don’t have to u

There are plenty of indie games written in Java, there are low-lat GCs available for the JVM (ZGC) that promises sub millisecond pauses, and you don’t have to use a ton of memory, there are ways to manage it. Minecraft was written in a very suboptimal way, its creator was a very novice developer — there are mods that easily increase performance many-many times.