adversity

balls

center

challenge

choice

circle

clue

complex

complexity

complicated

concrete

confusion

decision

difficult

discovery

entrance

escape

exit

find

game

hand

hourglass

idea

interrogation

journey

labyrinth

logic

looking

male

man

mark

maze

mystery

path

puts

quest

question

questionable

round

route

search

shape

smart

solution

solving

strategy

success

uncertainty

wall

way