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"Riven" is the second game in the Myst series, and the fourth chronologically. It was released on October 31st, 1997 by Cyan, after four years of development. 

It takes place in the Riven, a collapsing age, which is where Catherine comes from. In it you must enter Riven, free Catherine, trap Gehn and signal Atrus. In this game we also see Gehn's "Age 233" and the age of Tay.


Several months after the conclusion of Myst, Atrus asks The Stranger for his/her help (which was earlier mentioned in the ending of Myst, but never fully explained) and sends him/her to Riven to free Catherine and capture Gehn. He hands him/her a Trap Book, disguised as a link to D'ni, and his journal and explains that he can't send you in with a way out, otherwise Gehn could potentially escape if (s)he fails. He asks him/her to signal him somehow and sends him/her to Riven.

The Stranger links to Riven, but falls into Gehn's trap to imprison anyone who enters the age. Soon, (s)he is interrogated by Gehn's Guard (who is instructed by Gehn to question newcomers in D'ni, but forgets and talks to them in Rivenese). He steals the book from The Stranger and is about to link when he is knocked unconscious by a Moiety rebel, who steals the book themselves and drags Cho off. The Stranger is then allowed to explore the age at their leisure.

After solving a puzzle on Jungle Island, The Stranger finds a Linking Book to Tay, the home of the Moiety rebels. Before (s)he can explore it fully, (s)he is knocked out by a rebel and imprisoned within one of the buildings. Shortly after, Nelah enters the room and speaks to him/her in Rivenese before returning the trap book and Catherine's journal, which contains the random combination for the manhole on Temple Island. She leaves and returns shortly after with a linking book back to Riven.

After more exploring, The Stranger manages to power up the Fire Marble Domes around the age and opens them. Using another randomly generated code (this time from Gehn's journal on Crater Island), The Stranger opens a lock to a linking book and links to Age 233. Again, The Stranger links into a cage and is met by Gehn, who attempts to convince you of his regret over his past actions and his change of heart and wonders aloud that he wishes to see Atrus before he dies. However, Gehn finds The Stranger's trap book and reads it, though he grows suspicious. He asks him/her to link through it first to prove his/her intentions are good. Gehn then sets the book down and powers up his linking books, allowing The Stranger to link to any of the islands on Riven, including Prison Island (which houses Catherine), before leaving him/her alone.

The Stranger can then link to Prison Island, where (s)he can meet with Catherine. Catherine is excited to see him/her, but realizes that Gehn is using The Stranger as a trap and fakes disappointment and frustration, casting him/her away after telling him/her to meet back with her after trapping Gehn. The Stranger then returns to the 233rd age, where Gehn expresses his shock that (s)he returned. He offers the trap book to him/her again, which (s)he links into. (S)he then watches as Gehn cautiously links in himself, freeing him/her from the book and trapping Gehn. (S)he is then free to explore the age, having been freed outside the cage.

The Stranger then returns to Prison Island and uses a random code found in the 233rd age to free her. She is excited to see Gehn is trapped within the book and takes it from him/her. She then asks him/her to open the Star Fissure to signal Atrus and tell him/her that the code is within her journal before leaving to warn the Moiety.

The Stranger returns to the 233rd age and finds all the linking books torn except for the Temple Island page. (S)he returns to the island and to a large telescope and manhole found near the Link-in point and uses the code from Catherine's journal to open the manhole and lower the telescope into it. This causes the Star Fissure to re-open, pulling in everything near it and starting the collapse of Riven. Atrus links in and meets up with The Stranger and Catherine and sees the prison book, which contains Gehn. He thanks The Stranger for "giving him his life back" before linking back to Myst Island, leaving The Stranger to fall into the Star Fissure, which Atrus hopes returns him/her back home (though we find out later in Uru: Ages Beyond Myst that it actually leads to The Cleft).

Like Myst, Riven features several alternate endings, which appear at different times in the game.

  • If the player opens the Star Fissure before visiting Tay, no one greets them as the fissure opens up and The Stranger falls into it in silence.
  • If the player opens the Star Fissure before trapping Gehn, Atrus rushes in and questions The Stranger on why they would summon him. Gehn sneaks up behind the two and shoots Atrus, killing him. Gehn thanks the player for all their work before Cho shoots and kills them.
  • If the player opens the Star Fissure after trapping Gehn but before rescuing Catherine, Atrus links in and is happy to see the trapped Gehn, but is disappointed to find out that Catherine is still imprisoned. He unwillingly returns to Myst and The Stranger falls into the Star Fissure as Atrus expresses he has a lot of regret and a heavy heart.
  • If the player uses the trap book in Tay, they become imprisoned within it and a short video shows of The Moiety burning the book.
  • If the player uses the trap book in Riven, they become imprisoned and watch as Cho nervously uses the book and becomes trapped within, freeing you within the 233rd age's cage. Gehn immediately shoots you and introduces himself as you slowly die.
  • If the player uses the trap book anywhere other than Tay after trapping Gehn, Gehn opens the book again and thanks the player for their "noble sacrifice" and begins to question your intelligence.
  • If the player fails to use the trap book three times in the 233rd age, Gehn grows frustrated and shoots the player, telling him that he really has changed and that there was once a time when he would have spared the player.
  • If the player uses the trap book in Tay after trapping Gehn, Gehn opens the book and remarks that he "and the Moiety will finally be able to discuss our differences face-to-face", then thanks the player in a similar manner to when they use it outside of Tay.

Ages Visited


This is the largest age in Riven in terms of explorable space. It consists of five islands, four of which are interaccessible by means of trams or bridges. The fifth is only accessible via linking book.

Islands of Riven
Age 233

This is the age where you first meet Gehn. It is so named because it is Gehn's 233rd try at making an age, and even his 233rd try is unstable and barely habitable.


This is the headquarters of the resistance effort against Gehn. It consists mainly of a large tree, with houses inside.


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The game contains a soundtrack, again composed by Robyn Miller.


Notes & Trivia

  • A controversial e-mail written by Cyan programmer Richard A. Watson explains that Gehn's trap book cannot exist within the rules of The Art and was placed in the game only to enhance the gameplay. He states that trap books can't trap a person within them, but instead link a person to a Prison Age. This directly conflicts with the information found in the game and remains a highly contested argument between groups of fans.
  • This game marks the first time D'ni numbers appear within a game. This also marks the first time that players can learn parts of the D'ni Language.

Myst Series
Main Series MystRiven: The Sequel to MystMyst III: ExileMyst IV: RevelationMyst V: End of Ages
Uru Series Uru: Ages Beyond MystTo D'niThe Path of the ShellMyst Online: Uru Live
Other Myst: Masterpiece EditionRealMystRealMyst: Masterpiece EditionUru: Complete Chronicles
Novels The Book of AtrusThe Book of Ti'anaThe Book of D'niThe Book of Marrim
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