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I Have No Mouth, and I Must Scream key art: glowing blue circuit-board lines on a black background

Psychological horrorHorror puzzlePS1 horrorSci-fi and space horror

I Have No Mouth, and I Must Scream

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Five prisoners of an insane computer, each sent through a nightmare of their own past.

Platforms
PC, Mac, Linux, PlayStation, Xbox, Switch, iPhone, Android
Stores
Steam, GOG
Price
Paid
Rated
Very Positive on Steam (89% of about 4,100 reviews)
Players
1
Made by
The Dreamers Guild
Released
1995
Get it on Steam GOGPlayStation StoreXboxNintendo SwitchApp StoreGoogle Play

What frightens Five humans have been trapped inside the insane computer AM for 109 years; you take each of them through a scenario built from their tortured past and darkest fears, trying to outwit AM in a game of psychological warfare.

Content: violence, blood and gore, sexual themes, suicide, disturbing adult themes.

I Have No Mouth, and I Must Scream is a 1995 point-and-click horror adventure based on Harlan Ellison's short story. You play five humans kept alive inside the master computer AM, each put through a scenario drawn from their darkest fears, with Ellison himself as the voice of AM.

About I Have No Mouth, and I Must Scream

I Have No Mouth, and I Must Scream is a point-and-click adventure made by The Dreamers Guild and first released in 1995. It is based on Harlan Ellison's short story of the same name, and Ellison voices AM, the insane master computer at its centre. Nightdive Studios publishes it today on Steam and GOG, and console versions ported by QUByte Interactive came out for PlayStation, Xbox and Switch in 2025.

The setup comes straight from the story. Five people have been buried in the bowels of AM for 109 years: Gorrister the suicidal loner, Benny the mutilated brute, Ellen the hysterical phobic, Nimdok the secretive sadist and Ted the cynical paranoid. You take each of them, one at a time, through a scenario AM has built for them in its own setting, and each one digs into their hidden past.

Play is the classic adventure kind: you pick a verb such as Walk to, Look at, Talk to, Take, Use, Give or Swallow, click it on the scene, and use the items in your inventory. The store promises challenging dilemmas with strongly charged emotional issues, and the horror lies there, in what the characters have done and what AM makes of it, more than in anything jumping out at you.

It is a game for players who like slow, literary horror and do not mind old interfaces. It deals openly with violence, cruelty and adult themes, as the store warns.

How to play I Have No Mouth, and I Must Scream

  1. Buy it on Steam, GOG, a console store or a phone store and start a new game.
  2. Choose one of the five prisoners to begin their scenario.
  3. Pick a verb at the bottom of the screen, then click a person or object in the scene to act on it.
  4. Collect items in the inventory and use or give them to move the scenario forward.
  5. Finish all five characters' scenarios to reach the end.

Screenshots

The five prisoners stand on red rocks before a tall dark monolith covered in glowing text
Five cages of different shapes stand on tall pillars under a purple dome
A man stands in a dim old saloon by a long bar, with the verb buttons and an inventory of a heart, keys, a knife and a pistol below
A man stands on a giant fallen structure in a grey desert with a jackal and a ruined gas station

Tips

  • Read the descriptions when you Look at things; the game tells each character's past through them.
  • Try talking to everyone more than once; the conversations are where most of the story is.
  • Save often in your own slots, as old adventures of this kind can leave you stuck.

Questions

Is I Have No Mouth, and I Must Scream based on a book?

It is based on Harlan Ellison's short story of the same name, and Ellison voices the computer AM in the game.

Can I play I Have No Mouth, and I Must Scream on console?

Yes. It is sold on the PlayStation Store, the Xbox store and the Nintendo eShop, as well as on Steam, GOG, iPhone and Android.

What kind of game is it?

A point-and-click adventure from 1995 where you play five characters in turn, each in a scenario built from their fears.

  • point and click
  • adventure
  • 1990s
  • harlan ellison
  • artificial intelligence
  • five characters
  • classic

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I Have No Mouth, and I Must Scream is played on store.steampowered.com and its makers' stores; this page links to them and is not part of it. Pictures are from the game's own pages and remain its owner's. Terms and pictures.

Sources: store.steampowered.com, xbox.com, store.playstation.com, gematsu.com, en.wikipedia.org