First off, how do you even find out about these coins?
Second, what exchanges can you even find these coins? It seems almost all these altcoins are related to ETH. Does it involved pancakeswap/metamask and things like that? Is it easy to learn?
Third, these coins don't have any correlation to btc?
Its not rocket science. You just needs to do some work to find these coin. In a bear market only news base call work. All those project that is green in the bear market must have announced any good news or there is any upcoming developments of that project. There could be new partnership, listing and other development. You can find all these info in coinmarketcal. Keep an eye on that site for find those project.