<s>
Atomix	B-Device
is	O
a	O
puzzle	O
video	O
game	O
developed	O
by	O
Günter	O
Krämer	O
(	O
as	O
"	O
Softtouch	O
"	O
)	O
and	O
published	O
by	O
Thalion	O
Software	O
,	O
released	O
for	O
the	O
Amiga	B-Device
and	O
other	O
personal	O
computers	O
in	O
late	O
1990	O
.	O
</s>
<s>
Atomix	B-Device
was	O
received	O
positively	O
;	O
reviewers	O
noted	O
the	O
game	O
's	O
addictiveness	O
and	O
enjoyable	O
gameplay	O
,	O
though	O
criticized	O
its	O
repetitiveness	O
.	O
</s>
<s>
Atomix	B-Device
takes	O
place	O
on	O
a	O
playfield	O
consisting	O
of	O
a	O
number	O
of	O
walls	O
,	O
with	O
the	O
atoms	O
scattered	O
throughout	O
.	O
</s>
<s>
The	O
player	O
can	O
choose	O
an	O
atom	B-Language
and	O
move	O
it	O
in	O
any	O
of	O
the	O
four	O
cardinal	O
directions	O
.	O
</s>
<s>
A	O
moved	O
atom	B-Language
keeps	O
sliding	O
in	O
one	O
direction	O
until	O
it	O
hits	O
a	O
wall	O
or	O
another	O
atom	B-Language
.	O
</s>
<s>
Amiga	B-Device
Format	O
reviewed	O
a	O
pre-release	O
version	O
in	O
its	O
May	O
,	O
1990	O
issue	O
.	O
</s>
<s>
Initially	O
the	O
game	O
was	O
released	O
for	O
Amiga	B-Device
,	O
Atari	B-Device
ST	I-Device
and	O
the	O
IBM	B-Device
PC	I-Device
;	O
as	O
of	O
May	O
1990	O
,	O
the	O
C64	O
version	O
was	O
not	O
yet	O
planned	O
,	O
and	O
was	O
only	O
released	O
a	O
few	O
months	O
later	O
.	O
</s>
<s>
A	O
ZX	B-Operating_System
Spectrum	I-Operating_System
version	O
was	O
also	O
planned	O
.	O
</s>
<s>
The	O
game	O
was	O
published	O
for	O
Enterprise	B-Operating_System
128	I-Operating_System
in	O
2006	O
,	O
this	O
version	O
was	O
written	O
by	O
Zoltán	O
Povázsay	O
from	O
Hungary	O
.	O
</s>
<s>
A	O
clone	O
for	O
the	O
Atari	B-Device
Jaguar	I-Device
called	O
Atomic	O
has	O
been	O
released	O
in	O
2006	O
,	O
written	O
by	O
Sébastien	O
Briais	O
(	O
AKA	O
Seb	O
from	O
the	O
Removers	O
)	O
.	O
</s>
<s>
Atomix	B-Device
received	O
warm	O
reactions	O
from	O
reviewers	O
.	O
</s>
<s>
Some	O
reviewers	O
also	O
wrote	O
about	O
the	O
game	O
's	O
unoriginality	O
,	O
noting	O
similarities	O
to	O
earlier	O
games	O
,	O
Xor	B-Application
and	O
Leonardo	O
.	O
</s>
<s>
Graphics	O
were	O
generally	O
considered	O
adequate	O
,	O
though	O
not	O
spectacular	O
;	O
Zzap	O
!	O
64	O
called	O
them	O
"	O
a	O
bit	O
dull	O
and	O
repetitive	O
"	O
and	O
"	O
simplistic	O
,	O
but	O
slick	O
and	O
effective	O
"	O
,	O
while	O
CU	O
Amiga	B-Device
remarked	O
that	O
despite	O
their	O
simplicity	O
,	O
they	O
"	O
create	O
a	O
nice	O
,	O
tidy	O
display	O
"	O
.	O
</s>
<s>
Atomix	B-Device
has	O
been	O
the	O
subject	O
of	O
scientific	O
research	O
in	O
computational	O
complexity	O
theory	O
.	O
</s>
<s>
Like	O
Sokoban	B-Device
,	O
when	O
generalized	O
to	O
puzzles	O
of	O
arbitrary	O
sizes	O
,	O
the	O
problem	O
of	O
determining	O
whether	O
an	O
Atomix	B-Device
puzzle	O
has	O
a	O
solution	O
is	O
PSPACE-complete	O
.	O
</s>
<s>
Several	O
open	O
source	O
clones	O
of	O
Atomix	B-Device
exist	O
:	O
Atomiks	O
,	O
GNOME	O
Atomix	B-Device
,	O
KAtomic	O
and	O
WAtomic	O
.	O
</s>
