<s>
JumpJet	B-Application
Rex	I-Application
is	O
a	O
2D	O
platform	O
game	O
developed	O
and	O
published	O
by	O
TreeFortress	O
Games	O
.	O
</s>
<s>
The	O
game	O
was	O
released	O
for	O
Windows	O
,	O
OS	B-Operating_System
X	I-Operating_System
and	O
Linux	B-Application
in	O
April	O
2015	O
.	O
</s>
<s>
An	O
Xbox	B-Device
One	I-Device
version	O
was	O
later	O
released	O
in	O
April	O
2016	O
with	O
a	O
PlayStation	B-Operating_System
4	I-Operating_System
release	O
following	O
in	O
June	O
2017	O
.	O
</s>
<s>
JumpJet	B-Application
Rex	I-Application
is	O
a	O
2D	O
platform	O
game	O
,	O
in	O
which	O
players	O
control	O
the	O
eponymous	O
character	O
,	O
a	O
space-exploring	O
tyrannosaurus	O
equipped	O
with	O
jet-propelled	O
boots	O
.	O
</s>
<s>
Developed	O
by	O
TreeFortress	O
Games	O
,	O
JumpJet	B-Application
Rex	I-Application
original	O
began	O
as	O
a	O
project	O
for	O
a	O
game	O
jam	O
in	O
2014	O
.	O
</s>
<s>
The	O
game	O
takes	O
inspiration	O
from	O
classic	O
platform	O
titles	O
of	O
the	O
8-bit	B-Application
and	O
16-bit	B-Application
eras	I-Application
,	O
such	O
as	O
Mega	B-Application
Man	I-Application
and	O
Sonic	B-Application
the	I-Application
Hedgehog	I-Application
.	O
</s>
<s>
An	O
in-development	O
version	O
of	O
the	O
game	O
was	O
released	O
commercially	O
through	O
Steam	O
Early	O
Access	O
for	O
Linux	B-Application
,	O
OS	B-Operating_System
X	I-Operating_System
,	O
and	O
Windows	O
on	O
January	O
14	O
,	O
2015	O
.	O
</s>
<s>
The	O
game	O
was	O
later	O
released	O
on	O
the	B-Device
Xbox	I-Device
One	I-Device
video	B-Device
game	I-Device
console	I-Device
on	O
April	O
29	O
,	O
2016	O
.	O
</s>
<s>
JumpJet	B-Application
Rex	I-Application
received	O
a	O
"	O
generally	O
favourable	O
"	O
reception	O
from	O
critics	O
,	O
with	O
aggregate	O
review	O
website	O
Metacritic	O
assigning	O
a	O
score	O
of	O
76	O
out	O
of	O
100	O
based	O
on	O
11	O
reviews	O
.	O
</s>
