<s>
Happy	B-Application
Game	I-Application
is	O
a	O
horror	O
adventure	O
video	O
game	O
developed	O
and	O
published	O
by	O
Amanita	O
Design	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
on	O
October	O
28	O
,	O
2021	O
for	O
Microsoft	B-Application
Windows	I-Application
via	O
Steam	B-Application
and	O
the	O
Nintendo	B-Application
Switch	I-Application
console	O
.	O
</s>
<s>
Happy	B-Application
Game	I-Application
is	O
a	O
point	O
and	O
click	O
adventure	O
game	O
reminiscent	O
of	O
previous	O
titles	O
by	O
Amanita	O
Design	O
but	O
much	O
darker	O
.	O
</s>
<s>
Happy	B-Application
Game	I-Application
was	O
mentioned	O
as	O
an	O
upcoming	O
project	O
of	O
Amanita	O
Design	O
in	O
an	O
interview	O
by	O
Lukáš	O
Kunce	O
in	O
March	O
2018	O
.	O
</s>
<s>
Kunce	O
stated	O
it	O
will	O
be	O
similar	O
to	O
Botanicula	B-Operating_System
and	O
Chuchel	B-Application
but	O
darker	O
.	O
</s>
<s>
Happy	B-Application
Game	I-Application
was	O
in	O
development	O
for	O
7	O
years	O
.	O
</s>
<s>
The	O
game	O
is	O
designed	O
by	O
Jaromír	O
Plachý	O
,	O
creator	O
of	O
Botanicula	B-Operating_System
and	O
Chuchel	B-Application
,	O
while	O
the	O
soundtrack	O
is	O
composed	O
by	O
the	O
band	O
DVA	O
.	O
</s>
<s>
A	O
demo	O
version	O
of	O
the	O
game	O
was	O
released	O
on	O
February	O
3	O
,	O
2021	O
during	O
the	O
Steam	B-Application
Game	O
Festival	O
.	O
</s>
<s>
Happy	B-Application
Game	I-Application
received	O
generally	O
favorable	O
reviews	O
for	O
PC	O
,	O
according	O
to	O
review	O
aggregator	O
Metacritic	O
.	O
</s>
