Thanks for playing and for the awesome feedback!
Sorry that it had you frustrated. There is a controls menu available from the start menu that explains the controls. To fire shots you press w, the up arrow, or the fire button on a controller (bottom button). The space bar (or right controller button) is the boost button. No need to switch control options since they all work at the same time. You can use A and D as left and right and the up arrow to shoot or vice versa, left and right arrows to move and W to fire. If you want to use two hands. I tend to use a controller or just one hand myself, but its been tested to work using the other methods. There is some fine tuning still needed (it is in beta). Hope this helps!
I thought about putting flippers in, but I felt that it would not be conducive to the gameplay and shooting the ball is more accurate when you land a good shot.
I'm glad that your interested in the giant bosses! Right now there are only two but I'm planning to add more.
The arrow keys ARE actually supported as well as controllers. There will not be gameplay support for the mouse. The mouse is only used for menues and UI.
What do you think would help players like yourself enter the controls menu? Maybe show them the controls menu automatically the first time the game is played?