(If anyone couldn't figure it out, this shows the ridiculousness of the concept. A sequel is pointless, as you can tell by reading every other post on this subject.)
You can stack mobs using commands and NBT tags (specifically, the Riding: tag). This stacks mobs on top of each other, but the height at which they attach is fixed.
A common workaround is adding invisible slimes inbetween them, since you can easily change their size using an other NBT tag (Size:). This used to work both up (with a positive size tag) or down (with a negative size tag), but apparently the negative sizes to move mobs down doesn't work anymore.
@MCByte_: Did you find any release note that confirms the removal of this feature? I never heard of this being removed. And if you don't find any confirmation, make sure that the command syntax is correct (by spawning visible slimes with a positive size that doesn't spawn naturally, like 20), since if you wrote the size tag incorrectly or in a different case the size will be random. Also iirc visible slimes with a negative size render as if they were size 0, so be sure to try them out in a stack of mobs.
Regardless of the slimes feature being removed or not, I would love to see an NBT tag that can be used to alter the height at which an entity rides an other entity, so I SUPPORT!
Your not allowed to use wooden tools. The only way to get stone tools is to have a creeper or TNT blow up some stone. Also, the only way to get diamonds is to have a creeper blow some up, which decreases the drop rate drastically resulting in a shortage of diamond gear.
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the link to it
it's pretty glitchy and laggy and stuff... feel free to make something decent with it.
Took me about 10 minutes to make.
yay
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But there is a Minecraft 2!
(If anyone couldn't figure it out, this shows the ridiculousness of the concept. A sequel is pointless, as you can tell by reading every other post on this subject.)