Comment by kali_00

This is good, I definitely had fun! Really cool original idea! I liked how I discovered the "vertical line" win by accident when I thought I was going to lose. (I didn't quite get the instructions at first, but it made sense when playing.)

A couple of issues I noticed:

- some pieces rotate in an odd way, as if around an off-centre fixed point. It felt unlike regular Tetris and caused losses that otherwise wouldn't have been in tight spots. Like the piece would "jump" over an entire grid section unexpectedly. It's especially noticable with the long piece.

- on my system, trying a "hard mode" game after a few normal mode games, the hard mode immediately began insanely fast. Repeat plays then caused it to keep speeding up even further each restart, eventually going into endless loop by itself, where it seemed to be so fast it couldn't correctly check gamestate. In these restarts, no pieces would appear, but the score kept increasing anyway, eventually up to some very high number (eg, >70,000) before it'd finally decide a game over state. Each successive game would do the same thing, but advance to yet higher scores.

EDIT: Reproduced the second issue, and noticed hundreds of "Skipping tick during rotation" messages in the console. The procedure for me to reproduce was: play a normal game until you hit the 6000-7000 huge speed-up and game over, then keep playing hard mode games repeatedly, until it takes over.