I would like to propose a video competition for new trailers of Rumble. The winning trailer(s) will be (at least temporarily) featured on the store page, the maker gets a small prize and thanks in the game credits. Among those that contributed with enough effort to be considered a trailer, you could give away steam keys that the content creators can gift to community members or friends. Just a single key to gift would make someone already feel appreciated.
Of course, there have to be certain rules about size, but also rules to make sure they can be used without any troubles. For example:
  • Only in-game footage, to make sure it truly shows what the game is about and to ensure no one is editing in copyrightable material from cartoons, for example.
  • The sound design cannot include music where there is no guaranteed way to get a commercial license. Services like Epidemic Sounds can be used, as there is an easy way to buy a license for their music. And music inside the public domain is no problem.
I have seen a few concerns before that the current Steam trailers are not representative enough of the current state of the game. I think they are fine, but I wouldn't call them very good either. It could show more moves, shiftstones, Howard, both arenas and the park. And both trailers feel extremely similar to each other. Watching any of the two doesn't give a different impression of the game compared to the other.
It is hard to determine the best approach for a trailer... How much should you show about the accessibility and learning curve? Should you aim for a wide audience, or for the specific niche that is most likely to be interested? I would suggest the shotgun approach and do all kinds of trailers with the help of your amazing community! Some might just show the joy of using the moves, others might show the satisfaction of overcoming hardship. Some might show low-skilled matches that feel accessible to start out, others might show how magical high-level fights can be.
This might also draw more people into making video content for the game. Reviews, gameplay videos, tutorials, streams, and more are very good advertisements for the game. I got introduced to this game on YouTube, I got a friend interested by sharing videos I have seen and another friend became interested when I started streaming the game myself. If more enthusiasts join in the creation of Rumble content, then that might already pay off.