A straight line of 2^n cells will make 2 Seirpinski Triangles. The number of steps it takes to complete them is a power of 2.5yr ⋅ Nomekop777 ⋅ r/gameoflife
As a hobby, I made a simple Browser-based multi-player Conway's game of life version where you need to shoot gliders at your enemy's flag to win, all users see and interact with the same board (Link in comment)5yr ⋅ Ohrest ⋅ r/gameoflife
