Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: Castle Wolfenstein is a stealth-based action-adventure shooter video game developed by Muse Software for the Apple II. It was first released in 1981 and later ported to MS-DOS, the Atari 8-bit family, and the Commodore 64. "Beyond Castle Wolfenstein" is its sequel.
The 1981 game Castle Wolfenstein also spawned a later follow-up 
The second game was produced by the same studio as the first game.
It was the sequel to the 1981 series "Arthur C. Clarke's Mysterious World"
A Daughter of the Wolf was released in the Winter.
The game was released onto Microsoft Windows was released 6 months after it was initially released.
Vampire Vs Vampire was released a year after 1988.
The sequel to The Last of Us was announced less than half a decade after the original game was released.
The second X-Files game is a point-and-click adventure game.
Vampire Vs Vampire was released after 1988.
The Microsoft Windows version of Elder Scrolls Online was released before the OS X version.
The X-Files Game was released for a variety of platforms.
Vampire Vs Vampire was released 11 years prior to the next century.
There is also a third game in the series that is based on open world-style gameplay.
Steppenwolf was maned after a breed of wolf
OverBlood was eventually released on more gaming devices.
The "Crazy Castle" series has had more than one protagonist.
The sequel was followed by another sequel.
There was more than one X-files game.
Steppenwolf's debut album followup platinum release, The Second, had a number one hit. 
 Virgin's previous game "Caesars Palace" was made for the Nintendo Entertainment System.
A sequel to The Professional was made after 1981.
The computer game was released over many decades.
 Castle Wolfenstein could only be played on one gaming system.
Castle Wolfenstein was released on Apple II six months before being released on Commodore 64.
 Castle Wolfenstein developed for the IMAC. 