1, IF the developer is not lying AND the developer states (s)he is working on a next game THEN the developer is working on a next game.
2, IF the developer is working on a next game AND nothing prevents the developer from finishing it THEN there will be a next game.
3, The developer said in a comment "I'm working on it for the next game. "
4, Assumption: the developer does not lie.
5, THEREFORE let's hope nothing prevents the developer from making a next game!
It looks like a good game, I barely played the tutorial. But now on the planet select screen there are several typos. Please do some proof-reading. It is hard to take a product seriously if it's full of language mistakes. Small thing, but important.
So "RPM" is like bullet per second or something? I guess I'm the only one who had to equip all 3 weapon to see what exactly that means. But maybe "firing speed" or something more descriptive would be helpful. Maybe tooltips...