Hijara ... a 2-player, abstract, strategy board game of concentration using stone placement and points accumulation.
Start with an empty board, end with a full board and the player with the most points is the winner.
There are three ways to score points:
4 numbers of a kind in a row - horizontally, vertically, diagonally scores 10 points.
4 numbers in sequence - horiz., vert., diag. scores 15 points.
4 numbers in a square scores 20 points.
You snooze, you lose - as overlooked points are forfeited.
A singular game for two with only one rule - i.e. numbered squares my be filled in any order however, stones must be placed on the square [being filled] in numerical order of that square.
Hijara, Arabic for small stones, is a 3D game on a 2D board and listed in GAMES 1996 Top 100.