How many monsters are there in scp?

Countless.

There are 5999 and SCP in the world, and it is in every country. Why do you say that? Because every country has an SCP foundation. The SCP opportunity in the UK is the main website of the foundation, Scp It is divided into 132 levels: the commonly used ones are: safe, euclid, keter, and SCP is in every corner of the world anytime and anywhere. Forget it, SCP is not quantitative, so there are countless SCPs, and they have not been discovered yet. There are so many SCPs, so there are countless of them.