<s>
The	O
massive	O
success	O
and	O
popularity	O
of	O
Blue	B-Application
's	I-Application
Clues	I-Application
,	O
a	O
children	O
's	O
educational	O
television	O
series	O
by	O
Nickelodeon	O
,	O
has	O
led	O
to	O
a	O
variety	O
of	O
educational	O
video	O
games	O
and	O
web	O
browser	O
games	O
based	O
on	O
the	O
show	O
.	O
</s>
<s>
Business	O
Wire	O
called	O
Blue	B-Application
's	I-Application
ABC	I-Application
Time	I-Application
Activities	I-Application
"	O
one	O
of	O
the	O
most	O
anticipated	O
kids	O
software	O
debuts	O
in	O
recent	O
memory	O
"	O
.	O
</s>
<s>
Together	O
,	O
Blue	B-Application
's	I-Application
Birthday	I-Application
Adventure	I-Application
and	O
Blue	B-Application
's	I-Application
ABC	I-Application
Time	I-Application
Activities	I-Application
sold-through	O
over	O
150,000	O
units	O
in	O
their	O
first	O
month	O
of	O
release	O
,	O
and	O
were	O
the	O
second	O
and	O
third	O
best	O
selling	O
educational	O
titles	O
.	O
</s>
<s>
4	O
selling	O
educational	O
CD-ROM	B-Device
titles	O
of	O
1998	O
,	O
respectively	O
.	O
</s>
<s>
ABC	O
was	O
the	O
fourth	O
best-selling	O
video	O
game	O
title	O
in	O
the	O
week	O
before	O
January	O
3	O
,	O
1999	O
,	O
after	O
Barbie	O
Photo	O
Designer	O
,	O
Tomb	B-Application
Raider	I-Application
III	I-Application
,	O
and	O
Fallout	B-Application
2	I-Application
,	O
and	O
became	O
the	O
third	O
best-selling	O
title	O
out	O
of	O
all	O
PC	O
games	O
in	O
the	O
third	O
quarter	O
and	O
nine	O
months	O
,	O
ending	O
on	O
December	O
31	O
,	O
1998	O
.	O
</s>
<s>
PC	O
Data	O
,	O
which	O
generated	O
the	O
sales	O
data	O
,	O
commented	O
that	O
the	O
popularity	O
of	O
the	O
Blue	O
Clue	O
's	O
CD-ROMs	B-Device
was	O
evident	O
from	O
the	O
impressive	O
sales	O
numbers	O
it	O
consistently	O
generated	O
.	O
</s>
<s>
PC	O
Data	O
reported	O
that	O
Blue	B-Application
's	I-Application
ABC	I-Application
Time	I-Application
Activities	I-Application
was	O
the	O
United	O
States	O
 '	O
best-selling	O
educational	O
software	O
during	O
1998	O
.	O
</s>
<s>
Allgame	O
thought	O
that	O
"	O
normally	O
,	O
the	O
Blue	B-Application
's	I-Application
Clues	I-Application
series	O
of	O
games	O
are	O
excellent	O
"	O
,	O
but	O
found	O
various	O
technical	O
difficulties	O
with	O
this	O
title	O
.	O
</s>
