Plusris vs AetherSum

Play with just one finger. One stroke brain training addition puzzle game to improve your brain. A simple yet profound free brain training puzzle game using numbers. The rules are simple. Trace the numbers with your fingers, add them, make them 10 and erase them. If you erase everything, it's clear. Number of problems. We have prepared 15,000 questions. Daily and weekly questions are available from a further 32,000 questions. Try to take advantage of the hints on difficult problems. However, hints cannot be used for weekly problems, so please consult with us on SNS before playing. Try these free brain training puzzle games, ranging from easy to difficult problems.

AetherSum is an elegant number puzzle game where you swipe to chain adjacent tiles and hit the target sum. Simple to learn, deeply satisfying to master. HOW TO PLAY • Swipe across neighbouring tiles to form a path • Release when your path sums to the target number • Clear all valid combinations to complete the level • Earn combo bonuses for consecutive matches FEATURES • 99+ progressively challenging levels — all free • Larger grids and trickier targets as you advance • Combo multiplier rewards skillful chains • Speed bonus for fast completions • Achievement system with 22 unlockable badges • 3 beautiful themes (Cosmic, Obsidian, Neon) • Leaderboard to compete with players worldwide • Statistics tracking across all sessions • Full support for English, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish No subscriptions. No level gates. Just pure number flow.