Your device, your terms

Arcade settings

Visual effectsThe games stay complete in every mode.Sound effectsOff by default. Cues never carry information alone.

Private by design

Scores and preferences stay in this browser. There is no account, leaderboard, or analytics.

Remove scores, stars, and checkpoints from this browser?

Make every word hold its ground

Contrast Snap

Read the ratio, apply the right threshold, and keep rounding out of the decision.

0points0streak

Quick challenge2–3 minUntimedWCAG 1.4.3 · AA

Ready to begin

Identify which text clears its minimum contrast requirement.

Rules and references

WCAG 1.4.3: Contrast (Minimum) (AA)Most text needs 4.5:1 contrast; large text needs 3:1.

The sculpture mirrors device-local progress.

The sculpture is a visual mirror. The links and progress below remain the source of truth.

Route progress0 of 18 games complete

Accessibility is shaped by design decisions. These games help you notice and repair the barriers those decisions create.

Continue learning

Accessibility Arcade is an educational practice space. It does not simulate disability or a disabled person’s lived experience.