What's next.
We build in public. Source on github.com/mindlsn. Recent work in /changelog.
- Arithmetic Sprint - 6 difficulty presets, server-issued seeds 2026-05-03
- N-back single (n=2) - accuracy-percent scoring with d-prime support stats 2026-05-03
- Stroop - Count scoring, modality-aware ratings, ASDF + touch controls 2026-05-04
- Reaction Time - 5 seeded trials, false-start retry, modality-aware ratings 2026-05-17
- Glicko-2 ratings - per-game rating computed in-memory after each session 2026-05-04
- Replay-envelope anti-cheat - server re-simulates every session from the seed 2026-05-03
- Modality detection - keyboard / mouse / touch / pen tracked per session 2026-05-04
- Compact event codec - ~10× smaller submit payloads via binary-packed events 2026-05-04
- Auth via Clerk - attribute attempts to a real user, sync across devices
- Public profile pages - /u/{handle} with rating history
- Daily Three - three rotating drills per day; streak counts on completion
- Streak system with weekly freeze - forgive one missed day per week
- Composite rating + percentile - one number from your per-game ratings
- Cohort leaderboards - school / company / age band; opt-in
- Share cards - Wordle-style emoji result you can paste anywhere
- Digit Span - forward visual span with adaptive discontinue
- Mental Rotation - 2D asymmetric same/mirror judgment
- Sudoku - tiered 9×9 puzzle bank with 3-strike validation
- Pro tier - $5/mo, $30/yr student; unlimited sessions, full analytics
- Weekly tournament - Pro-tier 7-day rated event
- Native app - Capacitor wrap of the same web build
- 1v1 head-to-head - rated matchmaking on shared puzzles