A dual N-back memory game in a dawn wetland. Track a kingfisher location and a spoken or captioned letter, marking each that repeats exactly N turns ago. Guided practice, 1–5-back challenges, timed or self-paced play, pause, explained hit/miss/false-alarm results and device best scores. Upstream sequence generator with original GPT scenery and bird sprites. Source: https://github.com/jperryhouts/Dual-N-Back (GPL-3.0-or-later). Metadata tags: github-source, game.

stillwater-echo-watch.skillsafe.ai

Run app here

PricingCompletely free

Security scanClean — skill and frontend scanned

Source jperryhouts/Dual-N-Back

Created2026-10-30

Updated2026-10-30

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