<s>
Beyond	B-Application
the	I-Application
Tesseract	I-Application
is	O
a	O
text-based	O
adventure	O
game	O
developed	O
in	O
1983	B-Application
by	O
Canadian	O
author	O
David	O
Lo	O
for	O
the	O
TRS-80	B-Device
.	O
</s>
<s>
In	O
1988	O
the	O
game	O
was	O
ported	O
to	O
Atari	B-Device
ST	I-Device
,	O
MS-DOS	B-Application
and	O
Solaris	B-Application
environments	O
and	O
,	O
in	O
2003	O
,	O
to	O
interactive	O
fiction	O
standard	O
of	O
machine-independent	O
Z-code	O
.	O
</s>
<s>
during	O
the	O
summer	O
of	O
1983	B-Application
,	O
when	O
I	O
was	O
reading	O
the	O
book	O
Godel	O
,	O
Escher	O
,	O
Bach	O
:	O
An	O
Eternal	O
Golden	O
Braid	O
.	O
</s>
<s>
of	O
1983	B-Application
.	O
</s>
