CHARYBDIS // TRAINER

4x6 · adaptive engine · your real layout
WPM0
Accuracy100%
Time0s
Keys unlocked6/26
Lesson
Target speed 35 wpm — unlock next key by hitting target; Caps mixes in shift practice
Letters mastered (frequency order)
Focus: — Bar = best speed vs target · ★ = mastered reset learning
Type
Type the highlighted key — wrong keys won't advance. Shift glows when needed. Esc restart · Tab new text
Hits0
Accuracy100%
Avg react0ms
Best—
Click drill
Press Start — then left / right / double-click the dots
Trains Btn1 (left), Btn2 (right) & double-click with the trackball.
Your click keys — which buttons to press
Tap Set Left/Set Right, then click the key you mapped that button to in Vial. The right key pulses during each drill. clear
Layer map
Click a layer to view it — or press & hold a layer key (LOWER / RAISE) on the board to preview it live, like holding it for real. Dimmed keys pass through to Base.
Best WPM0
Avg WPM0
Runs0
Last 5 avg0
WPM trend
History
No runs yet — finish a lesson to log your first.

Saves locally (localStorage) — no account, no server.
Adaptive engine ported from keybr.com (AGPL-3.0). Built for the Bastardkb Charybdis 4x6.