Boxin' OXen
Twiddles & Bears
X's and O's
X-e O-zees
naughts and crosses
noughts and crosses
board game
30-degree
5
black-and-green
comb-like
crawlway
four-act
i-space
inter-league
interleague
low-resolution
micromagnetic
multispectral
photonic
power-distribution
richly-coloured
six-digit
temperature-sensing
two-and
walled-in
wide-area
wire-frame