Sum puzzle Plusris.

Sum puzzle Plusris is a unique brain training puzzle game designed for one-finger play. This free addition puzzle challenges players to trace numbers using their finger, sum them to 10, and erase them to clear each stage. With a total of 15,000 stages and an additional 32,000 daily and weekly questions, it provides endless brain stimulation suitable for all skill levels.

The game encourages players to use hints for difficult problems, although hints are not available for weekly challenges, fostering community interaction via social media. Recognized for its engaging gameplay, Sum puzzle Plusris was a Top 20 finalist in the Google Play Indie Games Festival 2019 in Japan. Ideal for players seeking a simple yet profound mental workout through numbers and addition.