Leading Answer: Build a community organically. You can do this by doing two things
First off, stay active and consistent in posting progress about your project. Gifs and Videos are best. Post even if you feel like you have nothing to show
Secondly, engage with other creators - help them when possible, be social, try to grow THEIR project. What goes around comes around
Platforms:
The following are good platforms to market your project on
Twitter:
Great for talking to other devs and building awareness about your project.
Making use of trends is a great way to build a community.
Being original in your approach can pay off. Here are some less well-known platforms you can use to market your game
- Newgrounds
- Imgur
Streamers:
One of the best ways to market your project is to have streamers review it.
Influencers are always looking for new, small titles to play. Make sure your game looks like it "plays" well on stream. @Civvie11 seems to be one of the first to play the new, fresh titles