The best alternatives to Vertex are Streamline, 3dicons, and IconShock.
How to play Vertex for free? ›
You can play Vertex at nytimes.com/puzzles/vertex or in the Play tab of the New York Times News app.
Vertex is a simple connect-the-dots game where the player tries to create triangles eventually resulting in an image. Each dot has a number in it corresponding to how many different lines it will have to create triangles, with every correct triangle being immediately filled in.