Really cool game and nice execution! Would have been even nicer with a quick explainer in the beginning, so one could start being competitive already in the first round. Nice and fun graphics (cool background shader ;) ), and enjoyable gameplay!
Only complaint I have is about the game AI, which sometimes made moves that only killed their own blocks/tiles, so seems the AI was slightly suicidal, making the enjoyment slightly worse.
Overall, a great game considering the small timeframe, nicely done!