Damnn tetris for jonass, that's really cool and really fit the theme !! 

Ha ha, I enjoyed this! Nice clean graphics and gameplay. Looking forward to the future t-spins! :)

This reminds me of Javidx9's submission last year where it is just really hard Tetris xD   When the board changed it did throw me a bit and caused me to press the wrong buttons a few time. The Tetris gameplay basics are well implemented!

Well, it seems like there is a potential there for an interesting Tetris variant, but the lack of time you mentioned shows through. Right now, I’m not sure what value the flip adds — the gameplay stays essentially the same. On the technical side, the ghost pieces should be made much more subtle, I think. I was initially confused by what they were, and then found them distracting. Contrary to what you said, it doesn’t look “bad” at all — just not finished, which is totally understandable.