Full Stop. Do not learn just Kanjis. Even if you learn every of the 2000 important kanjis and know all their meanings and pronunciations you will not be able to properly read japanese. Because their meanings and pronunciations change based on the word and context.
I've been learning for some years now with some off times and setbacks but what you need to learn is vocabulary. Vocabulary meaning not thousands but tens of thousands words. You will learn the Kanjis while learning the words.
My advice: Learn Hiragana and Katakana, then jump right into learning vocabulary with Anki flash cards. Depending how fast you can learn 5-10 new words per day should suffice. Learn every day.
Meanwhile have a look at Tae Kim's Guide to get at least the basics of grammar. You don't need everything to get the gists but a solid base is better than nothing. Grammar is probably the least important aspect of that language.
Believe me, I know the meanings and pronunciations of about 1000 Kanjis and maybe 3000 words but I still have a very hard time getting through any Japanese game. Like, maybe a few meanings per paragraph. Dialogues are a lot easier if you're used to anime. But as soon as the first scroll of reading text comes along you will be stunned.
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