I hate Memrise intermediate, I thought I was gonna learn higher vocab and kanji

When I chose Memrise intermediate, I learned a lot of grammar and some vocab but I didn’t memorize the Kanji (I tried using WaniKani but it was painfully slow to do but it taught me kanji I didn’t know and then I couldn’t memorize the things well cuz I tried to rush) so I chose Memrise and it hit me with the yoi yoku warui like these are literally grammar points you can easily learn from any website so retarded lmao, but i got some help with the waru kanji then it hit me with samui a word that has kanji I didn’t memorize but it was still a word I knew. but the problem in this is the grammar. I’d legit expect an intermediate to know most of the particles and how to use them and instead it’s like, koko, ii desu ka??? and it rejected my answer for koko wa ii desu ka. theres barely any particles in this speech and it’s single words. then I’m repeatedly hearing the same things. atleast add some variety in the sound effects

I don’t think anybody can learn Japanese by only using Memrise or the sorts and never involving a live teachter.