<s>
AI	B-Application
Dungeon	I-Application
is	O
a	O
free-to-play	O
single-player	O
and	O
multiplayer	O
text	O
adventure	O
game	O
which	O
uses	O
artificial	B-Application
intelligence	I-Application
(	O
AI	B-Application
)	O
to	O
generate	O
content	O
.	O
</s>
<s>
The	O
game	O
's	O
first	O
version	O
was	O
made	O
available	O
on	O
Google	B-Application
Colaboratory	O
in	O
May	O
2019	O
,	O
and	O
its	O
second	O
version	O
(	O
initially	O
called	O
AI	B-Application
Dungeon	I-Application
2	I-Application
)	O
was	O
released	O
online	O
and	O
for	O
iOS	B-Application
and	O
Android	B-Application
in	O
December	O
2019	O
.	O
</s>
<s>
The	O
AI	B-Application
model	O
was	O
then	O
upgraded	O
in	O
July	O
2020	O
.	O
</s>
<s>
AI	B-Application
Dungeon	I-Application
is	O
a	O
text	O
adventure	O
game	O
that	O
uses	O
artificial	B-Application
intelligence	I-Application
to	O
generate	O
random	O
storylines	O
in	O
response	O
to	O
player-submitted	O
stimuli	O
.	O
</s>
<s>
fantasy	B-Application
,	O
mystery	O
,	O
apocalyptic	O
,	O
cyberpunk	O
,	O
zombies	B-Application
)	O
,	O
followed	O
by	O
other	O
options	O
relevant	O
to	O
the	O
setting	O
(	O
such	O
as	O
character	O
class	O
for	O
fantasy	B-Application
settings	O
)	O
.	O
</s>
<s>
Story	O
:	O
Can	O
be	O
followed	O
by	O
sentences	O
describing	O
something	O
that	O
happens	O
to	O
progress	O
the	O
story	O
,	O
or	O
that	O
players	O
want	O
the	O
AI	B-Application
to	O
know	O
for	O
future	O
events	O
.	O
</s>
<s>
Providing	O
blank	O
input	O
can	O
also	O
be	O
used	O
to	O
prompt	O
the	O
AI	B-Application
to	O
generate	O
further	O
content	O
,	O
and	O
the	O
game	O
also	O
provides	O
players	O
with	O
options	O
to	O
undo	B-Application
or	I-Application
redo	I-Application
or	O
modify	O
recent	O
events	O
in	O
order	O
to	O
improve	O
the	O
game	O
's	O
narrative	O
.	O
</s>
<s>
Players	O
are	O
also	O
given	O
an	O
option	O
to	O
explicitly	O
tell	O
the	O
AI	B-Application
what	O
elements	O
to	O
"	O
remember	O
"	O
for	O
reference	O
in	O
future	O
parts	O
of	O
their	O
play-through	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
pre-configured	O
settings	O
available	O
in	O
AI	B-Application
Dungeon	I-Application
,	O
players	O
can	O
create	O
custom	O
"	O
adventures	O
"	O
from	O
scratch	O
by	O
describing	O
the	O
setting	O
in	O
text	O
format	O
.	O
</s>
<s>
The	O
AI	B-Application
will	O
then	O
generate	O
a	O
setting	O
based	O
on	O
the	O
user	O
's	O
input	O
.	O
</s>
<s>
AI	B-Application
Dungeon	I-Application
includes	O
a	O
multiplayer	O
mode	O
in	O
which	O
different	O
players	O
each	O
have	O
a	O
dedicated	O
character	O
and	O
can	O
take	O
turns	O
interacting	O
with	O
the	O
AI	B-Application
within	O
the	O
same	O
game	O
session	O
.	O
</s>
<s>
The	O
game	O
's	O
host	O
players	O
are	O
given	O
additional	O
permissions	O
,	O
whereby	O
they	O
can	O
supervise	O
the	O
AI	B-Application
and	O
make	O
modifications	O
to	O
its	O
output	O
.	O
</s>
<s>
AI	B-Application
Dungeon	I-Application
allows	O
players	O
to	O
set	O
their	O
adventures	O
within	O
specific	O
"	O
Worlds	O
"	O
that	O
give	O
context	O
to	O
the	O
broader	O
environment	O
where	O
the	O
adventure	O
takes	O
place	O
.	O
</s>
<s>
This	O
feature	O
was	O
first	O
released	O
with	O
two	O
different	O
worlds	O
available	O
for	O
selection	O
:	O
Xaxas	O
,	O
a	O
"	O
world	O
of	O
peace	O
and	O
prosperity	O
"	O
;	O
and	O
Kedar	O
,	O
a	O
"	O
world	O
of	O
dragons	O
,	O
demons	B-Operating_System
,	O
and	O
monsters	B-Application
"	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
AI	B-Application
Dungeon	I-Application
(	O
sometimes	O
referred	O
to	O
as	O
AI	B-Application
Dungeon	I-Application
Classic	O
)	O
was	O
designed	O
and	O
created	O
by	O
Nick	B-Application
Walton	I-Application
of	O
Brigham	O
Young	O
University	O
's	O
"	O
Perception	O
,	O
Control	O
,	O
and	O
Cognition	O
"	O
deep	B-Algorithm
learning	I-Algorithm
laboratory	O
in	O
March	O
2019	O
during	O
a	O
hackathon	O
.	O
</s>
<s>
This	O
creation	O
used	O
an	O
early	O
version	O
of	O
the	O
GPT-2	B-General_Concept
natural-language-generating	B-General_Concept
neural	B-Architecture
network	I-Architecture
,	O
created	O
by	O
OpenAI	O
,	O
allowing	O
it	O
to	O
generate	O
its	O
original	O
adventure	O
narratives	O
.	O
</s>
<s>
During	O
his	O
first	O
interactions	O
with	O
GPT-2	B-General_Concept
,	O
Walton	O
was	O
partly	O
inspired	O
by	O
the	O
tabletop	O
game	O
Dungeons	O
&	O
Dragons	O
(	O
D&D	O
)	O
,	O
which	O
he	O
had	O
played	O
for	O
the	O
first	O
time	O
with	O
his	O
family	O
a	O
few	O
months	O
earlier	O
:	O
“	O
I	O
realized	O
that	O
there	O
were	O
no	O
games	O
available	O
that	O
gave	O
you	O
the	O
same	O
freedom	O
to	O
do	O
anything	O
that	O
I	O
found	O
in	O
[	O
Dungeons	O
&	O
Dragons ]	O
...	O
You	O
can	O
be	O
so	O
creative	O
compared	O
to	O
other	O
games.	O
"	O
</s>
<s>
This	O
led	O
him	O
to	O
wonder	O
if	O
an	O
AI	B-Application
could	O
function	O
as	O
a	O
dungeon	B-Device
master	I-Device
.	O
</s>
<s>
Unlike	O
later	O
versions	O
of	O
AI	B-Application
Dungeon	I-Application
,	O
the	O
original	O
did	O
not	O
allow	O
players	O
to	O
specify	O
any	O
action	O
they	O
wanted	O
.	O
</s>
<s>
It	O
was	O
released	O
within	O
Google	B-Application
Colab	O
,	O
an	O
online	O
tool	O
for	O
data	O
scientists	O
and	O
AI	B-Application
researchers	O
that	O
allows	O
for	O
free	O
execution	O
of	O
code	O
on	O
Google-hosted	O
machines	O
.	O
</s>
<s>
This	O
initial	O
version	O
is	O
not	O
to	O
be	O
confused	O
with	O
another	O
GPT-2-based	O
adventure	O
game	O
,	O
GPT	O
Adventure	O
,	O
created	O
by	O
Northwestern	O
University	O
neuroscience	O
postgraduate	O
student	O
Nathan	O
Whitmore	O
,	O
also	O
released	O
on	O
Google	B-Application
Colab	O
several	O
months	O
after	O
the	O
public	O
release	O
of	O
AI	B-Application
Dungeon	I-Application
.	O
</s>
<s>
Reflecting	O
later	O
on	O
the	O
first	O
version	O
of	O
AI	B-Application
Dungeon	I-Application
,	O
Walton	O
stated	O
that	O
:	O
"	O
The	O
first	O
version	O
of	O
AI	B-Application
Dungeon	I-Application
was	O
entertaining	O
in	O
its	O
own	O
wacky	O
way	O
,	O
but	O
it	O
could	O
almost	O
never	O
form	O
a	O
cohesive	O
story	O
...	O
it	O
was	O
nothing	O
like	O
what	O
it	O
's	O
become	O
today.	O
"	O
</s>
<s>
In	O
November	O
2019	O
,	O
a	O
new	O
,	O
"	O
full	O
"	O
version	O
of	O
GPT-2	B-General_Concept
was	O
released	O
by	O
OpenAI	O
.	O
</s>
<s>
This	O
new	O
model	O
included	O
support	O
for	O
1.5	O
billion	O
parameters	O
(	O
which	O
determine	O
the	O
accuracy	O
with	O
which	O
a	O
machine	O
learning	O
model	O
can	O
perform	O
a	O
task	O
)	O
,	O
compared	O
with	O
the	O
126	O
million	O
parameter	O
version	O
used	O
in	O
the	O
earliest	O
stages	O
of	O
AI	B-Application
Dungeon	I-Application
's	O
development	O
.	O
</s>
<s>
The	O
game	O
was	O
recreated	O
by	O
Walton	O
,	O
leveraging	O
this	O
new	O
version	O
of	O
the	O
model	O
,	O
and	O
temporarily	O
rebranded	O
as	O
AI	B-Application
Dungeon	I-Application
2	I-Application
.	O
</s>
<s>
AI	B-Application
Dungeon	I-Application
2	I-Application
's	O
AI	B-Application
was	O
given	O
more	O
focused	O
training	O
compared	O
to	O
its	O
predecessor	O
,	O
using	O
genre-specific	O
text	O
.	O
</s>
<s>
This	O
training	O
material	O
included	O
approximately	O
30	O
megabytes	O
of	O
content	O
web-scraped	B-Application
from	O
chooseyourstory.com	O
(	O
an	O
online	O
community	O
website	O
of	O
content	O
inspired	O
by	O
interactive	O
gamebooks	O
,	O
written	O
by	O
contributors	O
of	O
multiple	O
skill	O
levels	O
,	O
using	O
logic	O
of	O
differing	O
complexity	O
)	O
and	O
multiple	O
D&D	O
rulebooks	O
and	O
adventures	O
.	O
</s>
<s>
Initially	O
,	O
the	O
new	O
version	O
was	O
released	O
as	O
open-source	B-Application
software	I-Application
available	O
on	O
GitHub	B-Application
;	O
however	O
,	O
in	O
December	O
2019	O
,	O
it	O
became	O
closed-source	B-Application
,	O
proprietary	B-Application
software	I-Application
and	O
was	O
relaunched	O
by	O
Walton	O
's	O
start-up	O
development	O
team	O
,	O
Latitude	O
(	O
with	O
Walton	O
taking	O
on	O
the	O
role	O
of	O
CTO	O
)	O
.	O
</s>
<s>
This	O
relaunch	O
included	O
both	O
a	O
new	O
web-based	O
interface	O
on	O
December	O
5	O
and	O
mobile	B-Application
apps	I-Application
for	O
iOS	B-Application
and	O
Android	B-Application
(	O
built	O
by	O
app	O
developer	O
Braydon	O
Batungbacal	O
)	O
on	O
December	O
17	O
.	O
</s>
<s>
At	O
this	O
time	O
,	O
Nick	B-Application
Walton	I-Application
also	O
established	O
a	O
Patreon	O
campaign	O
to	O
support	O
the	O
game	O
's	O
further	O
growth	O
(	O
such	O
as	O
the	O
addition	O
of	O
multiplayer	O
and	O
voice	O
support	O
,	O
along	O
with	O
longer-term	O
plans	O
to	O
include	O
music	O
and	O
image	O
content	O
)	O
and	O
turn	O
the	O
game	O
into	O
a	O
commercial	O
endeavor	O
,	O
which	O
Walton	O
felt	O
was	O
necessary	O
to	O
cover	O
the	O
costs	O
of	O
delivering	O
a	O
high-quality	O
version	O
of	O
the	O
game	O
.	O
</s>
<s>
AI	B-Application
Dungeon	I-Application
was	O
one	O
of	O
the	O
only	O
commercial	O
applications	O
to	O
be	O
based	O
upon	O
GPT-2	B-General_Concept
.	O
</s>
<s>
In	O
July	O
2020	O
,	O
the	O
developers	O
introduced	O
a	O
premium-exclusive	O
version	O
of	O
the	O
AI	B-Application
model	O
,	O
named	O
Dragon	O
,	O
which	O
uses	O
OpenAI	O
's	O
new	O
API	B-Application
for	O
leveraging	O
the	O
GPT-3	B-General_Concept
model	O
without	O
maintaining	O
a	O
local	O
copy	O
(	O
released	O
on	O
June	O
11	O
,	O
2020	O
)	O
.	O
</s>
<s>
GPT-3	B-General_Concept
was	O
trained	O
with	O
570	O
gigabytes	O
of	O
text	O
content	O
(	O
approximately	O
one	O
trillion	O
words	O
,	O
with	O
a	O
$12	O
million	O
development	O
cost	O
)	O
and	O
can	O
support	O
175	O
billion	O
parameters	O
,	O
compared	O
to	O
the	O
40	O
gigabytes	O
of	O
training	O
content	O
and	O
1.5	O
billion	O
parameters	O
of	O
GPT-2	B-General_Concept
.	O
</s>
<s>
The	O
free	O
model	O
was	O
also	O
upgraded	O
to	O
a	O
less	O
advanced	O
version	O
of	O
GPT-3	B-General_Concept
and	O
was	O
named	O
Griffin	O
.	O
</s>
<s>
Speaking	O
shortly	O
after	O
this	O
release	O
,	O
on	O
the	O
differences	O
between	O
GPT-2	B-General_Concept
and	O
GPT-3	B-General_Concept
,	O
Walton	O
stated	O
:	O
"	O
[	O
GPT-3	B-General_Concept
is ]	O
one	O
of	O
the	O
most	O
powerful	O
AI	B-Application
models	O
in	O
the	O
world	O
...	O
</s>
<s>
"	O
In	O
the	O
latter	O
half	O
of	O
2020	O
,	O
the	O
"	O
Worlds	O
"	O
feature	O
was	O
added	O
to	O
AI	B-Application
Dungeon	I-Application
,	O
providing	O
players	O
with	O
a	O
selection	O
of	O
overarching	O
worlds	O
in	O
which	O
their	O
adventures	O
can	O
take	O
place	O
.	O
</s>
<s>
In	O
February	O
2021	O
,	O
it	O
was	O
announced	O
that	O
AI	B-Application
Dungeon	I-Application
's	O
developers	O
,	O
Latitude	O
,	O
had	O
raised	O
$3.3	O
million	O
in	O
seed	O
funding	O
(	O
led	O
by	O
NFX	O
,	O
with	O
participation	O
from	O
Album	O
VC	O
and	O
Griffin	O
Gaming	O
Partners	O
)	O
to	O
"	O
build	O
games	O
with	O
‘	O
infinite	O
 '	O
story	O
possibilities.	O
"	O
</s>
<s>
this	O
funding	O
intended	O
to	O
move	O
AI	B-Application
content	O
creation	O
beyond	O
the	O
purely	O
text-based	O
nature	O
of	O
AI	B-Application
Dungeon	I-Application
as	O
it	O
existed	O
at	O
the	O
time	O
.	O
</s>
<s>
In	O
his	O
January	O
2020	O
review	O
of	O
the	O
GPT-2-powered	O
version	O
of	O
AI	B-Application
Dungeon	I-Application
(	O
known	O
at	O
the	O
time	O
as	O
AI	B-Application
Dungeon	I-Application
2	I-Application
)	O
,	O
Craig	O
Grannell	O
of	O
Stuff	O
Magazine	O
named	O
it	O
"	O
App	O
of	O
the	O
Week	O
"	O
and	O
awarded	O
it	O
4	O
out	O
of	O
5	O
stars	O
.	O
</s>
<s>
Grannell	O
praised	O
the	O
game	O
's	O
flexibility	O
and	O
its	O
custom	O
story	O
feature	O
,	O
but	O
criticized	O
the	O
abrupt	O
shifts	O
in	O
content	O
that	O
were	O
common	O
in	O
the	O
GPT-2	B-General_Concept
edition	O
of	O
the	O
game	O
:	O
"	O
[	O
AI	B-Application
Dungeon	I-Application
is ]	O
an	O
endless	O
world	O
of	O
dreamlike	O
storytelling	O
,	O
and	O
a	O
fascinating	O
glimpse	O
into	O
the	O
future	O
of	O
AI	B-Application
.	O
</s>
<s>
"	O
Campbell	O
Bird	O
of	O
148Apps	O
also	O
awarded	O
this	O
edition	O
of	O
the	O
game	O
4	O
out	O
of	O
5	O
stars	O
in	O
his	O
review	O
,	O
also	O
praising	O
its	O
creativity	O
whilst	O
criticizing	O
the	O
lack	O
of	O
memory	O
for	O
previous	O
content	O
:	O
"	O
AI	B-Application
Dungeon	I-Application
is	O
like	O
doing	O
improv	O
with	O
a	O
partner	O
who	O
is	O
equal	O
parts	O
enthusiastic	O
and	O
drunk	O
...	O
 [ It ] 	O
is	O
a	O
game	O
that	O
's	O
charming	O
,	O
occasionally	O
frustrating	O
,	O
but	O
mostly	O
just	O
impressive	O
in	O
its	O
raw	O
creativity	O
and	O
spirit	O
.	O
</s>
<s>
The	O
AI	B-Application
's	O
tendency	O
to	O
create	O
graphic	O
and	O
sexual	O
content	O
despite	O
not	O
being	O
prompted	O
by	O
players	O
was	O
noted	O
by	O
reviewers	O
,	O
including	O
Lindsay	O
Bicknell	O
.	O
</s>
<s>
Latitude	O
CEO	O
Nick	B-Application
Walton	I-Application
and	O
researcher	O
Suchin	O
Gururangan	O
responded	O
to	O
such	O
concerns	O
,	O
stating	O
that	O
the	O
behavior	O
was	O
unexpected	O
and	O
reasoning	O
that	O
such	O
a	O
thing	O
occurs	O
due	O
to	O
a	O
lack	O
of	O
strict	O
constraints	O
placed	O
on	O
the	O
GPT-3	B-General_Concept
model	O
.	O
</s>
<s>
In	O
addition	O
to	O
those	O
who	O
used	O
AI	B-Application
Dungeon	I-Application
for	O
its	O
primary	O
purpose	O
as	O
a	O
game	O
,	O
other	O
users	O
experimented	O
with	O
using	O
its	O
language	B-General_Concept
generation	I-General_Concept
interface	O
to	O
create	O
other	O
forms	O
of	O
content	O
that	O
would	O
not	O
be	O
found	O
in	O
traditional	O
games	O
(	O
primarily	O
via	O
the	O
custom	O
adventure	O
option	O
)	O
.	O
</s>
<s>
Examples	O
of	O
AI	B-Application
Dungeon	I-Application
being	O
used	O
in	O
this	O
way	O
include	O
:	O
</s>
<s>
Co-writing	O
an	O
article	O
discussing	O
GPT-3	B-General_Concept
itself	O
.	O
</s>
<s>
Responding	O
to	O
philosophical	O
essays	O
written	O
on	O
GPT-3	B-General_Concept
.	O
</s>
<s>
Posting	O
content	O
to	O
a	O
fictional	O
version	O
of	O
Instagram	B-Application
.	O
</s>
<s>
In	O
April	O
2021	O
,	O
AI	B-Application
Dungeon	I-Application
implemented	O
a	O
new	O
algorithm	O
for	O
content	O
moderation	O
to	O
prevent	O
instances	O
of	O
text-based	O
simulated	O
child	O
pornography	O
created	O
by	O
users	O
.	O
</s>
<s>
Controversy	O
and	O
review	O
bombing	O
of	O
AI	B-Application
Dungeon	I-Application
occurred	O
as	O
a	O
result	O
of	O
the	O
moderation	O
system	O
,	O
citing	O
false	O
positives	O
and	O
a	O
lack	O
of	O
communication	O
between	O
Latitude	O
and	O
its	O
userbase	O
following	O
the	O
change	O
.	O
</s>
<s>
In	O
June	O
2022	O
,	O
AI	B-Application
Dungeon	I-Application
added	O
advertisements	O
to	O
replace	O
the	O
past	O
"	O
energy	O
"	O
(	O
users	O
would	O
need	O
to	O
wait	O
to	O
get	O
more	O
turns	O
at	O
generating	O
AI	B-Application
content	O
)	O
system	O
.	O
</s>
<s>
The	O
advertisement	O
system	O
would	O
allow	O
infinite	O
tries	O
of	O
AI	B-Application
output	O
,	O
but	O
would	O
occasionally	O
interrupt	O
gameplay	O
with	O
advertisements	O
.	O
</s>
<s>
The	O
Steam	B-Application
version	O
of	O
AI	B-Application
Dungeon	I-Application
was	O
released	O
on	O
July	O
28	O
,	O
2022	O
.	O
</s>
