<s>
This	O
is	O
a	O
selected	O
list	B-Protocol
of	I-Protocol
massively	I-Protocol
multiplayer	I-Protocol
online	I-Protocol
real-time	I-Protocol
strategy	I-Protocol
games	I-Protocol
.	O
</s>
<s>
MMORTSs	O
are	O
large	O
multi-user	O
games	O
that	O
take	O
place	O
in	O
perpetual	O
online	B-Application
worlds	I-Application
with	O
hundreds	O
or	O
thousands	O
of	O
other	O
players	O
.	O
</s>
<s>
Title	O
Developer	O
Status	O
Graphics	O
Setting	O
Subscription	O
Model	O
Initial	O
Release	O
Date	O
Server	O
Close	O
Date	O
Platform	O
NotesAge	O
of	O
Empires	O
OnlineRobot	O
Entertainment	O
,	O
Gas	O
Powered	O
Games	O
Released	O
3D	O
Ancient	O
Free	O
to	O
play	O
Microsoft	B-Application
Windows	I-Application
Official	O
servers	O
were	O
closed	O
,	O
Project	O
Celeste	O
server	O
emulator	O
started	O
in	O
2017	O
and	O
still	O
available	O
for	O
play	O
.	O
</s>
