Big update for Sum Up Competitive.
Introduction of the season system:
One season runs one week each, during this time each player has to collect leaderboard points. At the end of the season, each player will receive a medal in exchange for his ranking points, which will be listed in the medal rank list. The player who has collected the most and most valuable medals is at the top of the leader board.
Release of Sum Up Competitive.
A free mathematic competition game, you must sum up faster than you opponent.