> Most popular technical channels like HN / specific sub-reddits require active community participation and "karma-farming" just to be able to post something, which is hard for me to spend time on (I'd rather work on my stuff).

the irony of this post!

why should people care about what you are up to when you've no interest in even pretending?

it also seems like you are angling for maximum impact with minimal effort AND budget. how about giving away the game for free for the first 6 months to see if it passes the turd test?