<s>
TxK	B-Device
is	O
an	O
action	O
video	O
game	O
developed	O
by	O
Llamasoft	O
and	O
designed	O
by	O
Jeff	O
Minter	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
the	O
PlayStation	B-Device
Vita	I-Device
on	O
February	O
11	O
,	O
2014	O
.	O
</s>
<s>
The	O
game	O
was	O
planned	O
for	O
release	O
on	O
PC	B-Device
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Android	B-Application
platforms	I-Application
until	O
Atari	O
made	O
legal	O
threats	O
against	O
Llamasoft	O
,	O
citing	O
similarities	O
between	O
TxK	B-Device
and	O
Tempest	B-Application
2000	I-Application
.	O
</s>
<s>
It	O
is	O
a	O
tube	O
shooter	O
based	O
on	O
the	O
classic	O
arcade	O
game	O
Tempest	B-Application
.	O
</s>
<s>
They	O
concluded	O
by	O
stating	O
"	O
Dynamic	O
,	O
thrilling	O
and	O
wholly	O
invigorating	O
,	O
TxK	B-Device
is	O
n't	O
just	O
one	O
of	O
the	O
best	O
games	O
on	O
Vita	O
:	O
it	O
might	O
just	O
be	O
the	O
best	O
Minter	O
's	O
ever	O
made	O
,	O
too.	O
"	O
</s>
<s>
On	O
March	O
18	O
,	O
2015	O
,	O
Minter	O
made	O
public	O
that	O
the	O
current	O
holders	O
of	O
the	O
Atari	O
name	O
and	O
trademark	O
have	O
made	O
legal	O
threats	O
and	O
issued	O
cease	O
and	O
desist	O
orders	O
over	O
the	O
game	O
blocking	O
release	O
to	O
PC	B-Device
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Android	B-Application
platforms	I-Application
.	O
</s>
<s>
After	O
the	O
success	O
of	O
Llamasoft	O
's	O
Polybius	B-Application
,	O
Atari	O
came	O
to	O
a	O
deal	O
with	O
Llamasoft	O
and	O
TxK	B-Device
was	O
reworked	O
into	O
Tempest	B-Application
4000	I-Application
and	O
released	O
with	O
Atari	O
's	O
approval	O
.	O
</s>
