<s>
Serious	B-Application
Sam	I-Application
:	I-Application
The	I-Application
Second	I-Application
Encounter	I-Application
is	O
a	O
first-person	O
shooter	O
video	O
game	O
developed	O
by	O
Croteam	O
and	O
originally	O
published	O
by	O
Gathering	O
of	O
Developers	O
.	O
</s>
<s>
First	O
released	O
on	O
Microsoft	B-Application
Windows	I-Application
on	O
5	O
February	O
2002	O
.	O
</s>
<s>
It	O
is	O
the	O
second	O
episode	O
following	O
Serious	B-Application
Sam	I-Application
:	I-Application
The	I-Application
First	I-Application
Encounter	I-Application
released	O
a	O
year	O
prior	O
.	O
</s>
<s>
Both	O
episodes	O
were	O
combined	O
into	O
one	O
game	O
and	O
ported	O
to	O
the	O
Xbox	B-Operating_System
.	O
</s>
<s>
High-definition	O
remakes	B-General_Concept
of	O
both	O
episodes	O
were	O
released	O
in	O
2009	O
and	O
2010	O
on	O
Microsoft	B-Application
Windows	I-Application
,	O
and	O
were	O
later	O
ported	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
,	O
Nintendo	B-Application
Switch	I-Application
,	O
PlayStation	B-Operating_System
4	I-Operating_System
,	O
and	O
Xbox	B-Device
One	I-Device
video	B-Device
game	I-Device
consoles	I-Device
.	O
</s>
<s>
A	O
fan-made	O
level-pack	O
,	O
Dark	O
Island	O
,	O
was	O
included	O
in	O
Serious	B-Device
Sam	I-Device
:	O
Gold	O
.	O
</s>
<s>
The	O
games	O
are	O
on	O
separate	O
CDs	O
(	O
in	O
the	O
UK	O
version	O
)	O
and	O
are	O
identical	O
to	O
their	O
individual	O
releases	O
,	O
except	O
that	O
the	O
Sam	O
character	O
model	O
for	O
The	B-Application
First	I-Application
Encounter	I-Application
was	O
modified	O
to	O
match	O
the	O
one	O
used	O
in	O
The	O
Second	O
Encounter	O
.	O
</s>
<s>
After	O
the	O
release	O
of	O
the	O
remakes	B-General_Concept
,	O
both	O
titles	O
had	O
"	O
Classic	O
"	O
added	O
to	O
the	O
name	O
to	O
prevent	O
confusion	O
.	O
</s>
<s>
Virtually	O
no	O
changes	O
have	O
been	O
made	O
to	O
the	O
gameplay	O
since	O
The	B-Application
First	I-Application
Encounter	I-Application
,	O
but	O
the	O
sequel	O
includes	O
different	O
environments	O
unlike	O
the	O
Egyptian	O
aesthetic	O
that	O
was	O
featured	O
in	O
every	O
level	O
in	O
The	B-Application
First	I-Application
Encounter	I-Application
.	O
</s>
<s>
The	O
game	O
features	O
7	O
new	O
enemies	O
and	O
4	O
new	O
weapons	O
,	O
including	O
a	O
chainsaw	B-Language
,	O
a	O
sniper	O
rifle	O
,	O
a	O
flamethrower	O
,	O
and	O
the	O
Serious	O
Bomb	O
that	O
is	O
featured	O
in	O
Serious	B-Device
Sam	I-Device
's	O
logo	O
.	O
</s>
<s>
All	O
weapons	O
and	O
enemies	O
from	O
The	B-Application
First	I-Application
Encounter	I-Application
make	O
a	O
return	O
to	O
this	O
game	O
.	O
</s>
<s>
Plot	O
The	O
Second	O
Encounter	O
begins	O
where	O
The	B-Application
First	I-Application
Encounter	I-Application
left	O
off	O
,	O
with	O
Sam	O
traveling	O
to	O
Sirius	O
on	O
the	O
SSS	O
Centerprice	O
.	O
</s>
<s>
With	O
this	O
new	O
objective	O
,	O
Sam	O
storms	O
through	O
Teotihuacan	O
,	O
then	O
travels	O
to	O
Babylon	B-General_Concept
and	O
Persepolis	O
and	O
finally	O
to	O
medieval	O
Poland	O
where	O
the	O
back-up	O
starship	O
is	O
located	O
.	O
</s>
<s>
Finally	O
,	O
in	O
front	O
of	O
the	O
Cathedral	O
of	O
Sacred	O
Blood	O
,	O
Sam	O
confronts	O
the	O
last	O
obstacle	O
to	O
overcome	O
on	O
his	O
path	O
to	O
the	O
Holy	B-General_Concept
Grail	I-General_Concept
,	O
Mordekai	O
the	O
Summoner	O
.	O
</s>
<s>
In	O
the	O
Cathedral	O
,	O
Sam	O
lifts	O
the	O
Holy	B-General_Concept
Grail	I-General_Concept
in	O
the	O
palms	O
of	O
his	O
hands	O
,	O
followed	O
by	O
his	O
sarcastic	O
confessions	O
of	O
his	O
sins	O
in	O
a	O
booth	O
to	O
Mental	O
,	O
during	O
which	O
he	O
tells	O
Mental	O
that	O
"	O
he	O
's	O
coming	O
to	O
get	O
him.	O
"	O
</s>
<s>
The	O
story	O
continues	O
in	O
Serious	B-Application
Sam	I-Application
2	I-Application
.	O
</s>
<s>
Croteam	O
created	O
their	O
own	O
engine	O
for	O
use	O
in	O
both	O
The	B-Application
First	I-Application
Encounter	I-Application
and	O
The	O
Second	O
Encounter	O
.	O
</s>
<s>
The	O
Serious	O
Engine	O
is	O
very	O
efficient	O
,	O
capable	O
of	O
maintaining	O
dozens	O
of	O
moving	O
enemies	O
(	O
often	O
stampedes	O
)	O
and	O
enormous	O
enemies	O
,	O
even	O
on	O
a	O
modest	O
system	O
challenging	O
the	O
well	O
known	O
id	B-Application
Tech	I-Application
,	O
Unreal	B-Operating_System
Engine	I-Operating_System
or	O
Source	B-Application
engines	I-Application
.	O
</s>
<s>
The	O
"	O
Serious	O
Engine	O
"	O
can	O
render	O
through	O
both	O
Direct3D	B-Application
or	O
OpenGL	B-Application
and	O
,	O
while	O
it	O
does	O
not	O
support	O
pixel	O
or	O
vertex	O
shaders	O
,	O
it	O
is	O
optimized	O
for	O
Direct3D	B-Application
7	O
's	O
hardware	O
transformation	O
,	O
clipping	O
and	O
lighting	O
.	O
</s>
<s>
A	O
more	O
powerful	O
iteration	O
of	O
the	O
"	O
Serious	O
Engine	O
"	O
was	O
developed	O
for	O
use	O
in	O
Serious	B-Application
Sam	I-Application
2	I-Application
and	O
is	O
known	O
as	O
"	O
Serious	O
Engine	O
2	O
"	O
.	O
</s>
<s>
Serious	O
Engine	O
3	O
was	O
used	O
in	O
Serious	B-Application
Sam	I-Application
HD	I-Application
:	I-Application
The	I-Application
First	I-Application
Encounter	I-Application
and	O
Serious	B-Application
Sam	I-Application
HD	I-Application
:	I-Application
The	I-Application
Second	I-Application
Encounter	I-Application
.	O
</s>
<s>
An	O
updated	O
version	O
,	O
Serious	O
Engine	O
3.5	O
,	O
is	O
used	O
in	O
Serious	B-Application
Sam	I-Application
3	I-Application
:	I-Application
BFE	I-Application
.	O
</s>
<s>
The	O
latest	O
version	O
is	O
the	O
Serious	O
Engine	O
4	O
,	O
which	O
Croteam	O
used	O
in	O
their	O
most	O
recent	O
game	O
,	O
The	B-Application
Talos	I-Application
Principle	I-Application
.	O
</s>
<s>
In	O
March	O
2016	O
,	O
Croteam	O
released	O
Serious	O
Engine	O
v1.10	O
as	O
free	B-Application
and	I-Application
open	I-Application
source	I-Application
software	I-Application
on	O
GitHub	B-Application
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
v2.Croteam	O
Open-Sources	O
The	O
Serious	O
Engine	O
by	O
Michael	O
Larabel	O
on	O
Phoronix	O
(	O
11	O
March	O
2016	O
)	O
The	O
Second	O
Encounter	O
soundtrack	O
featured	O
three	O
instrumental	O
songs	O
from	O
the	O
Croatian	O
heavy-metal	O
band	O
Undercode	O
.	O
</s>
<s>
On	O
12	O
November	O
2002	O
,	O
both	O
The	B-Application
First	I-Application
Encounter	I-Application
and	O
The	O
Second	O
Encounter	O
were	O
combined	O
into	O
one	O
game	O
and	O
ported	O
to	O
the	O
Xbox	B-Operating_System
titled	O
Serious	B-Device
Sam	I-Device
.	O
</s>
<s>
The	O
game	O
had	O
notable	O
differences	O
from	O
the	O
PC	O
counterparts	O
,	O
including	O
the	O
model	O
of	O
Sam	O
being	O
changed	O
from	O
the	O
model	O
of	O
The	B-Application
First	I-Application
Encounter	I-Application
to	O
a	O
more	O
cartoon	O
style	O
Sam	O
,	O
removing	O
the	O
shades	O
to	O
make	O
him	O
look	O
less	O
like	O
Duke	O
Nukem	O
and	O
more	O
like	O
he	O
does	O
today	O
.	O
</s>
<s>
The	O
Xbox	B-Operating_System
version	O
includes	O
all	O
of	O
the	O
levels	O
from	O
both	O
PC	O
games	O
,	O
though	O
some	O
were	O
modified	O
due	O
to	O
the	O
memory	O
constraints	O
of	O
the	O
Xbox	B-Application
console	I-Application
.	O
</s>
<s>
Further	O
changes	O
to	O
the	O
game	O
include	O
the	O
addition	O
of	O
treasure	O
,	O
weapons	O
that	O
were	O
added	O
into	O
The	O
Second	O
Encounter	O
can	O
now	O
be	O
found	O
in	O
some	O
of	O
The	B-Application
First	I-Application
Encounter	I-Application
levels	O
,	O
and	O
a	O
different	O
save	O
system	O
.	O
</s>
<s>
Due	O
to	O
the	O
hardware	O
limitations	O
of	O
the	O
Xbox	B-Operating_System
,	O
instead	O
of	O
allowing	O
the	O
player	O
to	O
manually	O
save	O
at	O
any	O
point	O
during	O
a	O
level	O
in	O
PC	O
versions	O
,	O
there	O
are	O
save	O
points	O
that	O
are	O
designated	O
by	O
red	O
phone	O
booths	O
that	O
can	O
be	O
found	O
in	O
each	O
level	O
.	O
</s>
<s>
Auto-aiming	O
was	O
also	O
added	O
to	O
the	O
Xbox	B-Operating_System
version	O
to	O
compensate	O
for	O
the	O
degree	O
of	O
control	O
usually	O
offered	O
by	O
a	O
keyboard	O
and	O
mouse	O
setup	O
.	O
</s>
<s>
Croteam	O
took	O
their	O
publishing	O
rights	O
from	O
2K	O
Games	O
to	O
new	O
startup	O
Devolver	O
Digital	O
,	O
after	O
2K	O
Games	O
became	O
uninterested	O
in	O
Serious	B-Device
Sam	I-Device
,	O
waiting	O
for	O
their	O
long	O
rival	O
Duke	B-Application
Nukem	I-Application
Forever	I-Application
to	O
finish	O
.	O
</s>
<s>
The	O
remakes	B-General_Concept
featured	O
16-player	O
online	O
co-op	O
(	O
4-player	O
in	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
version	O
)	O
,	O
deathmatch	O
and	O
a	O
new	O
game-mode	O
called	O
"	O
Co-Op	O
Tournament	O
"	O
.	O
</s>
<s>
The	O
remake	B-General_Concept
of	O
the	O
first	O
episode	O
,	O
Serious	B-Application
Sam	I-Application
HD	I-Application
:	I-Application
The	I-Application
First	I-Application
Encounter	I-Application
,	O
was	O
released	O
on	O
24	O
November	O
2009	O
for	O
Microsoft	B-Application
Windows	I-Application
through	O
Steam	B-Application
,	O
on	O
13	O
January	O
2010	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
through	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
and	O
on	O
20	O
March	O
2017	O
for	O
Linux	B-Application
through	O
Steam	B-Application
thanks	O
to	O
the	O
Fusion	O
Engine	O
.	O
</s>
<s>
The	O
remake	B-General_Concept
of	O
the	O
second	O
episode	O
,	O
Serious	B-Application
Sam	I-Application
HD	I-Application
:	I-Application
The	I-Application
Second	I-Application
Encounter	I-Application
,	O
was	O
released	O
on	O
28	O
April	O
2010	O
for	O
Microsoft	B-Application
Windows	I-Application
through	O
Steam	B-Application
,	O
on	O
22	O
September	O
2010	O
for	O
Xbox	B-Operating_System
360	I-Operating_System
through	O
the	O
Xbox	B-Device
Live	I-Device
Arcade	I-Device
and	O
on	O
4	O
April	O
2017	O
for	O
Linux	B-Application
through	O
Steam	B-Application
,	O
again	O
thanks	O
to	O
the	O
Fusion	O
Engine	O
.	O
</s>
<s>
On	O
14	O
January	O
2011	O
,	O
the	O
DLC	B-Protocol
titled	O
"	O
Fusion	O
"	O
was	O
released	O
on	O
Steam	B-Application
,	O
which	O
merged	O
the	O
levels	O
of	O
The	B-Application
First	I-Application
Encounter	I-Application
into	O
The	O
Second	O
Encounter	O
.	O
</s>
<s>
This	O
DLC	B-Protocol
was	O
free	O
for	O
everyone	O
who	O
owned	O
both	O
encounters	O
on	O
Steam	B-Application
.	O
</s>
<s>
Additionally	O
,	O
The	O
Second	O
Encounter	O
HD	O
was	O
expanded	O
with	O
new	O
piece	O
of	O
DLC	B-Protocol
called	O
"	O
Legend	O
of	O
the	O
Beast	O
"	O
.	O
</s>
<s>
Elliott	O
Chin	O
of	O
Computer	O
Gaming	O
World	O
awarded	O
the	O
game	O
4	O
stars	O
out	O
of	O
5	O
,	O
and	O
stated	O
that	O
the	O
game	O
"	O
offers	O
just	O
enough	O
new	O
content	O
to	O
warrant	O
being	O
called	O
a	O
sequel	O
...	O
It	O
is	O
like	O
Doom	B-Application
II	I-Application
was	O
to	O
Doom	B-Application
.	O
</s>
