<s>
HyperRogue	B-Language
is	O
an	O
independent	O
video	O
game	O
developed	O
by	O
Zeno	O
Rogue	O
.	O
</s>
<s>
It	O
is	O
a	O
roguelike	O
inspired	O
by	O
the	O
puzzle	O
game	O
Deadly	B-Application
Rooms	I-Application
of	I-Application
Death	I-Application
and	O
the	O
art	O
of	O
M	O
.	O
C	O
.	O
Escher	O
,	O
taking	O
place	O
in	O
the	O
hyperbolic	O
plane	O
.	O
</s>
<s>
HyperRogue	B-Language
is	O
a	O
turn-based	O
game	O
in	O
which	O
the	O
player	O
controls	O
one	O
character	O
exploring	O
a	O
world	O
based	O
on	O
hyperbolic	O
geometry	O
,	O
with	O
cells	O
arranged	O
as	O
a	O
truncated	O
order-7	O
triangular	O
tiling	O
by	O
default	O
(	O
with	O
a	O
few	O
exceptions	O
)	O
.	O
</s>
<s>
It	O
borrows	O
procedural	O
generation	O
and	O
permadeath	B-Application
from	O
the	O
roguelike	O
genre	O
,	O
and	O
puzzle-based	O
combat	O
from	O
Deadly	B-Application
Rooms	I-Application
of	I-Application
Death	I-Application
.	O
</s>
<s>
Other	O
than	O
simply	O
collecting	O
the	O
treasures	O
,	O
there	O
are	O
several	O
major	O
quests	O
to	O
undertake	O
(	O
Yendor	O
quest	O
,	O
Prince(ss )	O
quest	O
,	O
Hyperstone	O
Quest	O
and	O
the	O
Holy	B-General_Concept
Grail	I-General_Concept
)	O
.	O
</s>
<s>
The	O
basic	O
gameplay	O
is	O
inspired	O
by	O
Deadly	B-Application
Rooms	I-Application
of	I-Application
Death	I-Application
.	O
</s>
<s>
Similar	O
to	O
the	O
check	O
rule	O
in	O
chess	B-Application
,	O
the	O
game	O
does	O
not	O
allow	O
the	O
player	O
to	O
make	O
moves	O
which	O
would	O
lead	O
them	O
to	O
be	O
immediately	O
killed	O
.	O
</s>
<s>
The	O
world	O
of	O
HyperRogue	B-Language
is	O
characterized	O
by	O
its	O
non-Euclidean	O
geometry	O
,	O
precisely	O
hyperbolic	O
geometry	O
;	O
this	O
affects	O
many	O
aspects	O
of	O
the	O
game	O
.	O
</s>
<s>
This	O
makes	O
the	O
world	O
of	O
HyperRogue	B-Language
practically	O
infinite	O
.	O
</s>
<s>
The	O
traditional	O
RPG	O
formula	O
of	O
getting	O
stronger	O
by	O
collecting	O
equipment	O
had	O
to	O
be	O
changed	O
,	O
in	O
order	O
to	O
prevent	O
grinding	B-Application
strategies	O
from	O
being	O
effective	O
.	O
</s>
<s>
New	O
lands	O
and	O
magical	O
powers	O
are	O
unlocked	O
by	O
collecting	O
treasures	O
,	O
but	O
on	O
the	O
other	O
hand	O
,	O
the	O
amount	O
of	O
monsters	O
spawning	O
depends	O
on	O
the	O
number	O
of	O
treasures	O
collected	O
in	O
the	O
given	O
land	O
,	O
thus	O
making	O
it	O
impossible	O
to	O
grind	B-Application
indefinitely	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
HyperRogue	B-Language
was	O
created	O
in	O
November	O
2011	O
,	O
and	O
contained	O
only	O
a	O
single	O
land	O
and	O
very	O
simple	O
monsters	O
.	O
</s>
<s>
In	O
January	O
2015	O
,	O
HyperRogue	B-Language
was	O
released	O
on	O
Steam	B-Application
.	O
</s>
<s>
Version	O
12.0	O
,	O
released	O
in	O
June	O
2021	O
,	O
added	O
support	O
for	O
virtual	B-Application
reality	I-Application
through	O
SteamVR	O
.	O
</s>
<s>
HyperRogue	B-Language
was	O
called	O
"	O
one	O
of	O
the	O
most	O
interesting	O
roguelikes	O
to	O
come	O
around	O
lately	O
"	O
in	O
the	O
book	O
Exploring	O
Roguelike	O
Games	O
.	O
</s>
