Hey Ghost suckers!
If you'd like to have a short taste of what it's like to suck (up Ghosts with a Vacuum), I've set up a web based prototype of the game on Itch: https://bravetraveller.itch.io/ghost-vacuum-incremental
Feel free to leave some feedback and suggestions in the comments, I'll be watching!
Finally, look out for a demo that fleshes out the ideas you see in the prototype soon. Have fun!