Thanks for the encouragement,
1.clairty and visible definitely need to be strengthened
2. I was going for the tetris random blocks idea, so random bullets , but it might be too annoying I think tetris limited the randomness if future tetris, i.e original tetris it was possible not to get a line for like 20 blocks
3. yeah I think other people update their page with known bugs I guess I should do that too