<s>
Wander	B-Application
is	O
text	O
adventure	B-Application
written	O
by	O
Peter	O
Langston	O
in	O
1974	O
.	O
</s>
<s>
It	O
is	O
one	O
of	O
the	O
earliest	O
text	O
adventure	B-Application
video	O
games	O
in	O
existence	O
,	O
predating	O
Colossal	B-Application
Cave	I-Application
Adventure	I-Application
.	O
</s>
<s>
The	O
game	O
was	O
originally	O
coded	O
in	O
BASIC	O
on	O
a	O
mainframe	B-Architecture
computer	I-Architecture
with	O
multiple	O
databases	O
to	O
create	O
the	O
worlds	O
that	O
formed	O
the	O
game	O
.	O
</s>
<s>
It	O
was	O
distributed	O
in	O
Langston	O
's	O
PSL	O
Games	O
collection	O
for	O
Unix	B-Application
.	O
</s>
<s>
The	O
files	O
now	O
exist	O
on	O
GitHub	B-Application
.	O
</s>
<s>
Wander	B-Application
is	O
both	O
a	O
text	O
adventure	B-Application
game	O
and	O
a	O
tool	O
for	O
creating	O
interactive	O
fiction	O
;	O
it	O
describes	O
itself	O
as	O
"	O
a	O
tool	O
for	O
writing	O
non-deterministic	O
fantasy	O
stories	O
"	O
.	O
</s>
<s>
Wander	B-Application
was	O
created	O
in	O
1973	O
or	O
1974	O
by	O
Peter	O
Langston	O
.	O
</s>
<s>
He	O
likely	O
developed	O
Wander	B-Application
on	O
an	O
HP2000	O
minicomputer	B-Architecture
like	O
his	O
1972	O
game	O
Empire	B-Application
.	O
</s>
<s>
Langston	O
rewrote	O
the	O
game	O
in	O
C	B-Language
in	O
1974	O
while	O
at	O
Harvard	O
University	O
and	O
released	O
it	O
to	O
other	O
users	O
of	O
the	O
mainframe	B-Architecture
system	O
.	O
</s>
<s>
He	O
maintained	O
the	O
game	O
through	O
the	O
rest	O
of	O
the	O
decade	O
,	O
with	O
a	O
release	O
in	O
1980	O
as	O
part	O
of	O
his	O
PSL	O
Games	O
Collection	O
package	O
of	O
games	O
for	O
Unix	B-Application
.	O
</s>
<s>
The	O
game	O
was	O
thought	O
lost	O
since	O
,	O
as	O
the	O
mainframe	B-Architecture
computers	I-Architecture
it	O
ran	O
on	O
were	O
discontinued	O
and	O
no	O
backup	O
copies	O
were	O
known	O
,	O
but	O
in	O
2015	O
an	O
interactive	O
fiction	O
enthusiast	O
named	O
"	O
ant	O
"	O
,	O
upon	O
seeing	O
the	O
game	O
on	O
a	O
list	O
of	O
lost	O
mainframe	B-Architecture
games	O
,	O
contacted	O
Langston	O
,	O
who	O
found	O
a	O
copy	O
of	O
the	O
1980	O
version	O
in	O
a	O
friend	O
's	O
email	O
archives	O
.	O
</s>
<s>
The	O
1980	O
source	O
code	O
has	O
since	O
been	O
uploaded	O
to	O
GitHub	B-Application
,	O
with	O
adjustments	O
made	O
by	O
Langston	O
and	O
others	O
to	O
make	O
it	O
run	O
on	O
non-unix	O
systems	O
.	O
</s>
