<s>
Frogs	B-Application
is	O
a	O
single-player	O
action	B-Application
arcade	O
game	O
released	O
by	O
Gremlin	O
in	O
1978	B-Application
.	O
</s>
<s>
It	O
notably	O
featured	O
a	O
jumping	O
character	O
(	O
predating	O
Donkey	B-Application
Kong	I-Application
by	O
3	O
years	O
)	O
.	O
</s>
<s>
The	O
game	O
's	O
graphics	O
are	O
"	O
projected	O
"	O
by	O
laying	O
the	O
monitor	O
flat	O
on	O
its	O
back	O
and	O
reflecting	O
the	O
computer-generated	O
graphics	O
of	O
the	O
frogs	B-Application
and	I-Application
flies	I-Application
toward	O
the	O
player	O
via	O
a	O
mirror	O
at	O
a	O
45-degree	O
angle	O
.	O
</s>
<s>
The	O
player	O
controls	O
a	O
frog	O
on	O
lilypads	O
and	O
attempts	O
to	O
catch	O
(	O
with	O
the	O
frog	O
's	O
tongue	O
and	O
while	O
jumping	O
)	O
various	O
insects	O
(	O
butterflies	B-Application
and	O
dragonflies	B-Application
)	O
worth	O
different	O
numbers	O
of	O
points	O
in	O
a	O
set	O
amount	O
of	O
time	O
.	O
</s>
<s>
In	O
1980	O
,	O
Adventure	O
International	O
published	O
a	O
similar	O
game	O
with	O
varying	O
names	O
–	O
Frog	O
,	O
Frogs	B-Application
,	O
Frog	O
on	O
a	O
Log	O
–	O
for	O
the	O
TRS-80	O
.	O
</s>
<s>
Mattel	O
released	O
Frogs	B-Application
and	I-Application
Flies	I-Application
for	O
the	O
Atari	B-General_Concept
2600	I-General_Concept
,	O
which	O
was	O
renamed	O
Frog	B-Application
Bog	I-Application
for	O
the	O
Intellivision	B-Operating_System
version	O
.	O
</s>
