R9-20 / Reflex Tests

Tower Align

Drop moving transmission decks to build the tallest stable relay.

Typical run: 2 min
Input: Pointer
Storage: Local only

Calibrating Tower Align…

Operator manual

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How to play

Stop each moving deck over the tower below it.

Controls

Click, tap, or press Space to drop.

Rules & result

Overlapping area becomes the next deck. A complete miss ends construction.

Scoring tip

Watch the leading edge rather than the center and establish a rhythm.

How Tower Align works

Browser timing and pointer events measure each attempt locally. Results are used only for the current run and an optional personal record. Restart creates a clean state without reloading the page, and optional records remain on this device.

Accessibility and devices

The game uses visible text feedback in addition to color. Controls are keyboard-focusable, touch targets are at least 44 pixels, and motion is reduced when your system requests it.

Questions / R9-20

Protocol notes

How is score measured?+

Each successfully placed deck adds one level.

Does the tower get harder?+

Deck motion speeds up as the tower rises.