Ice-Pick Lodge

Knock-Knock

Game

Game details

First release year
2013

Platforms

Genres

Play modes

  • single-player video game

Players by platform

  • Microsoft Windows*
    Maximum players (mode unspecified)
    1*

Localized titles

  • Knock-knock

Steam version platforms

  • Windows*
    Supported
    Yes*
  • macOS*
    Supported
    Yes*
  • Linux*
    Supported
    Yes*

Store genres

  • Adventure*
  • Casual*

Game features

  • Single-player*
  • Steam Achievements*
  • Full controller support*
  • Steam Trading Cards*
  • Family Sharing*

Interface languages

  • English*
    Full audio
    Yes*
  • German*
  • Polish*
  • Russian*
    Full audio
    Yes*
  • Japanese*

Audio languages

  • English*
  • Russian*
  • Japanese*

Community tags · historical

  • Horror*
    Votes · historical
    309*
  • Side Scroller*
    Votes · historical
    299*
  • 2D Platformer*
    Votes · historical
    297*
  • Adventure*
    Votes · historical
    289*
  • Puzzle*
    Votes · historical
    289*
  • Difficult*
    Votes · historical
    286*
  • 2D*
    Votes · historical
    281*
  • Strategy*
    Votes · historical
    279*
  • Story Rich*
    Votes · historical
    278*
  • Platformer*
    Votes · historical
    276*
  • Surreal*
    Votes · historical
    267*
  • Procedural Generation*
    Votes · historical
    253*
  • Psychological Horror*
    Votes · historical
    242*
  • Tactical*
    Votes · historical
    238*
  • Hand-drawn*
    Votes · historical
    232*
  • Atmospheric*
    Votes · historical
    223*
  • Survival*
    Votes · historical
    213*
  • Mystery*
    Votes · historical
    211*
  • Cartoony*
    Votes · historical
    203*
  • Singleplayer*
    Votes · historical
    203*

System requirements

  • Windows · Minimum*
    Operating system
    Windows XP or later*
    Graphics alternatives
    GPU that supports shader model 2.0*
    Storage
    700 MB available space*
  • Linux · Minimum*
    Operating system
    Ubuntu 10.10 or later*
    Graphics alternatives
    GPU that supports shader model 2.0*
    Storage
    700 MB available space*
  • macOS · Minimum*
    Operating system
    Mac OS X 10.5 or later*
    Graphics alternatives
    Intel HD Graphics 3000*
    Storage
    700 MB available space*

Compatibility and community reports

  • Steam Deck · 2026-06-27*
    Compatibility category
    Unknown*
  • Linux · Community reports · 2026-06-27*
    Community Linux compatibility tier
    Platinum*
    Reports
    6*
    Community confidence
    low*
  • Controller support · 2026-06-27*
    Controller support
    Full*

Studios & publishers

Developers

  • Ice-Pick Lodge

Publishers

  • Ice-Pick Lodge

Release history

  • 2013
    Date precision
    Year only
  • 2013-10-03 · Microsoft Windows*
    Release date
    2013-10-03*
    Date precision
    Exact date*
    Platform
    Microsoft Windows*

Store release history

  • Steam*
    Release date
    Oct 4, 2013*

System configuration

Detailed specifications

Specifications 1 · 4 fields
Windows minimum graphics requirement
GPU that supports shader model 2.0*
Name
Knock-knock*
Release year
2,013*
Windows minimum graphics requirement
Windows · Minimum
Graphics alternatives
GPU that supports shader model 2.0*
Specifications 2 · 5 fields
Genres · Microsoft Windows
action game
action game*
adventure game
adventure game*
horror game
horror game*
Maximum players (mode unspecified) · Microsoft Windows
Microsoft Windows
Maximum players (mode unspecified)
1*
Platform
Microsoft Windows
Microsoft Windows*
Publishers · Microsoft Windows
Ice-Pick Lodge
Ice-Pick Lodge*
Release date · Microsoft Windows
2013-10-03 · Microsoft Windows
Release date
2013-10-03*
Date precision
day*
Platform
Microsoft Windows*
Specifications 3 · 35 fields
Achievements · historical
18*
Mean playtime over the reported two-week window (historical)
0* min
Mean playtime since March 2009 (historical)
198* min
Features
  • Single-player*
  • Steam Achievements*
  • Full controller support*
  • Steam Trading Cards*
  • Family Sharing*
Developers
  • Ice-Pick Lodge*
DLC count · historical
0*
Estimated ownership range (historical)
200000 - 500000*
Audio languages
  • English*
  • Russian*
  • Japanese*
Store genres
  • Adventure*
  • Casual*
Linux support · historical
Yes*
macOS support · historical
Yes*
Median playtime over the reported two-week window (historical)
0* min
Median playtime since March 2009 (historical)
186* min
Metacritic score
57*
Name
Knock-knock*
Negative reviews · historical
250*
Peak ccu
2*
Positive reviews · historical
1,668*
Price (historical; currency unreported)
1.99*
Publishers
  • Ice-Pick Lodge*
Recommendations
1,524*
Store release date · historical
Oct 4, 2013*
Interface languages
  • English*
  • German*
  • Polish*
  • Russian*
  • Japanese*
Game website · historical
http://knock.ice-pick.com/*
Windows support · historical
Yes*
Features
Single-player
Single-player*
Steam Achievements
Steam Achievements*
Full controller support
Full controller support*
Steam Trading Cards
Steam Trading Cards*
Family Sharing
Family Sharing*
Developers
Ice-Pick Lodge
Ice-Pick Lodge*
Audio languages
  • English*
  • Russian*
  • Japanese*
Store genres
Adventure
Adventure*
Casual
Casual*
Linux support · historical
Linux
Supported
Yes*
macOS support · historical
macOS
Supported
Yes*
Publishers
Ice-Pick Lodge
Ice-Pick Lodge*
Store release date · historical
Steam
Release date
Oct 4, 2013*
Interface languages
  • English*
  • German*
  • Polish*
  • Russian*
  • Japanese*
Windows support · historical
Windows
Supported
Yes*
Specifications 4 · 21 fields
Mean playtime over the reported two-week window (historical)
0* min
Mean playtime since March 2009 (historical)
180* min
Ccu
2*
Developer
Ice-Pick Lodge*
Historical discount
0* %
Store genres
  • Adventure*
  • Casual*
Historical US original list price
999* US cents
Languages
  • English*
  • German*
  • Polish*
  • Russian*
  • Japanese*
Median playtime over the reported two-week window (historical)
0* min
Median playtime since March 2009 (historical)
149* min
Name
Knock-knock*
Negative reviews · historical
250*
Estimated ownership range (historical)
200,000 .. 500,000*
Positive reviews · historical
1,668*
Historical US price
999* US cents
Publisher
Ice-Pick Lodge*
Community tags · historical
  • Horror*
  • Side Scroller*
  • 2D Platformer*
  • Adventure*
  • Puzzle*
  • Difficult*
  • 2D*
  • Strategy*
  • Story Rich*
  • Platformer*
  • Surreal*
  • Procedural Generation*
  • Psychological Horror*
  • Tactical*
  • Hand-drawn*
  • Atmospheric*
  • Survival*
  • Mystery*
  • Cartoony*
  • Singleplayer*
Store genres
Adventure
Adventure*
Casual
Casual*
Languages
  • English*
  • German*
  • Polish*
  • Russian*
  • Japanese*
Community tags · historical
Horror
Horror*
Side Scroller
Side Scroller*
2D Platformer
2D Platformer*
Adventure
Adventure*
Puzzle
Puzzle*
Difficult
Difficult*
2D
2D*
Strategy
Strategy*
Story Rich
Story Rich*
Platformer
Platformer*
Surreal
Surreal*
Procedural Generation
Procedural Generation*
Psychological Horror
Psychological Horror*
Tactical
Tactical*
Hand-drawn
Hand-drawn*
Atmospheric
Atmospheric*
Survival
Survival*
Mystery
Mystery*
Cartoony
Cartoony*
Singleplayer
Singleplayer*
Tags votes
Horror
Votes · historical
309*
Side Scroller
Votes · historical
299*
2D Platformer
Votes · historical
297*
Adventure
Votes · historical
289*
Puzzle
Votes · historical
289*
Difficult
Votes · historical
286*
2D
Votes · historical
281*
Strategy
Votes · historical
279*
Story Rich
Votes · historical
278*
Platformer
Votes · historical
276*
Surreal
Votes · historical
267*
Procedural Generation
Votes · historical
253*
Psychological Horror
Votes · historical
242*
Tactical
Votes · historical
238*
Hand-drawn
Votes · historical
232*
Atmospheric
Votes · historical
223*
Survival
Votes · historical
213*
Mystery
Votes · historical
211*
Cartoony
Votes · historical
203*
Singleplayer
Votes · historical
203*
Specifications 5 · 29 fields
Features
  • Single-player*
  • Steam Achievements*
  • Full controller support*
  • Steam Trading Cards*
  • Family Sharing*
Developers
  • Ice-Pick Lodge*
Store genres
  • Adventure*
  • Casual*
Free to play · historical
No*
Linux requirements
Minimum: OS: Ubuntu 10.10 or later Graphics: GPU that supports shader model 2.0 Storage: 700 MB available space *
macOS requirements
Minimum: OS: Mac OS X 10.5 or later Graphics: Intel HD Graphics 3000 Storage: 700 MB available space *
Metacritic score
57*
Name
Knock-knock*
Windows requirements
Minimum: OS *: Windows XP or later Graphics: GPU that supports shader model 2.0 Storage: 700 MB available space *
Platforms
  • windows*
  • mac*
  • linux*
Historical price currency
USD*
Discount percentage (historical)
0*
Historical store price
$9.99*
Publishers
  • Ice-Pick Lodge*
Recommendations total
1,514*
Coming soon · historical store status
No*
Store release date · historical
Oct 4, 2013*
Interface languages
English (full audio), German, Polish, Russian (full audio), Japanese*
Type
game*
Features
Single-player
Single-player*
Steam Achievements
Steam Achievements*
Full controller support
Full controller support*
Steam Trading Cards
Steam Trading Cards*
Family Sharing
Family Sharing*
Developers
Ice-Pick Lodge
Ice-Pick Lodge*
Store genres
Adventure
Adventure*
Casual
Casual*
Linux requirements
Linux · Minimum
Operating system
Ubuntu 10.10 or later*
Graphics alternatives
GPU that supports shader model 2.0*
Storage
700 MB available space*
macOS requirements
macOS · Minimum
Operating system
Mac OS X 10.5 or later*
Graphics alternatives
Intel HD Graphics 3000*
Storage
700 MB available space*
Windows requirements
Windows · Minimum
Operating system
Windows XP or later*
Graphics alternatives
GPU that supports shader model 2.0*
Storage
700 MB available space*
Platforms
Windows
Supported
Yes*
macOS
Supported
Yes*
Linux
Supported
Yes*
Publishers
Ice-Pick Lodge
Ice-Pick Lodge*
Store release date · historical
Steam
Release date
Oct 4, 2013*
Interface languages
  • German*
  • Polish*
  • Japanese*
Specifications 6 · 16 fields
Declared controller support · 2026-06-27
full*
Co-op listed on Steam · 2026-06-27
No*
Store genres
Adventure|Casual*
Local co-op listed on Steam · 2026-06-27
No*
Owners-based popularity rank · 2026-06-27
4,141*
Community Linux rating confidence · 2026-06-27
low*
Community Linux report count · 2026-06-27
6*
Community Linux compatibility tier · 2026-06-27
platinum*
PvP listed on Steam · 2026-06-27
No*
Steam release year · historical
2,013*
Title
Knock-knock*
Coming soon · historical Steam listing
No*
Declared controller support · 2026-06-27
Controller support · 2026-06-27
Controller support
Full*
Steam Deck compatibility · 2026-06-27
Steam Deck · 2026-06-27
Compatibility category
Unknown*
Store genres
Adventure
Adventure*
Casual
Casual*
Community Linux compatibility tier · 2026-06-27
Linux · Community reports · 2026-06-27
Community Linux compatibility tier
Platinum*
Reports
6*
Community confidence
low*

* Provisional data