Observed arrival · 2026-09-30
A math-facts game with a 58-skill map
A free browser game offers elementary learners arithmetic practice, progress-based rounds, and a skill tree spanning grades 1–6.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Learners practicing elementary arithmetic and their families
- Worth noticing
- Grade labels follow the original Japanese elementary calculation curriculum, not a universal age-to-grade mapping.
Field notes
The homepage maps 58 listed skills across six grade choices, with topics extending from number bonds and column arithmetic to decimal operations and fraction simplification. Its guidance recommends treating mistakes as prompts to inspect a method, and says Review mode brings recorded errors back for another round. Sound and motion can be adjusted for quieter sessions.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
One card from the complete issue