Recently, I made a challenge to make a match 3 game under 6 hours. It turned out to be a decent hypercasual game.
The full source code is here : https://github.com/nevarman/hypercasual-match-game.
License for only source code is CC0, and for the whole Unity project is CC 4.0.
For the art assets and sound licenses please check the link on github page.
nevzatarman 
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