Free play

One match, dials exposed. Every level is a configuration of these, and nothing more.

Rivals

Their policy

Weighs the size of a prize against how long the trip takes, and only commits where the numbers work as they stand — though a tower that grows while the units are in the air can still hold. Prefers a rival’s tower to an unclaimed one.

Ground

A board that is a rotation of itself. No seed decides an opening.

Unclaimed towers12

Unclaimed towers never grow, so the first move is always to expand.