As a big fan of minesweeper, I thought this was an interesting take on it + battleship. I think a few things would make the experience even more enjoyable: missing a target should change the tile color in some way (red, grayed out, etc) so that I know that I've already fired on it. The first time I played, I clicked on the same tile 6 times because I thought it wasn't working until I noticed my bullet count dropping. The other thing I would have liked would be the ability to rotate the 3x1 to a 1x3. Though maybe that's purchasable at a later point? Overall, I think it's a great first jam entry and would like to see this in a more polished state. Nice job!