A game based on my problem in Indonesia National Contest 2019 (Problem J - Grid City).
If you want to solve the problem, you can submit your solutions at TLX.
You can play this game at wiwitrifai.github.io/lines.
You will be given a 7x11 grid where each cell is one of the following types:
You have to rotate some cells so that the black lines can only end at any red dot.
This game is licensed under the MIT License.