⬇ 100,000+ downloads
Est. actual: 157,003
Style: Nonogram / Logic
Free
Released: Feb 14, 2018
IAP: $0.99 - $99.99 per item
Contains ads
Installs since launch
Tracking since Oct 5 — growth appears once we have a second daily reading.
Boost your IQ & working memory with the dual n-back task, supported by science
