landmark

an object or feature of a landscape or town that is easily seen and recognized from a distance, especially one that enables someone to establish their location

accelerate

(of a vehicle or other physical object) begin to move more quickly

enter

to go into a place.

conway's Game of Life

a cellular automaton devised by the British mathematician John Horton Conway in 1970

turn

to change direction.

stir

to mix something by moving it around with a spoon or similar tool.

unconditional happiness

happy no matter what happens to you

fill

to put as much of something into a container as it can hold.

join

to become a member of something, such as a club.