Buy My Big Sister PC
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My Big Sister Steam CD Key
Kinguin4.6โขActivate on: UnspecifiedโขStandard
$0.34 Get -
My Big Sister Steam CD Key
K4G3.8โขActivate on: SteamโขStandard
$0.37 Get -
My Big Sister (PC) Steam Key - GLOBAL
Gameseal4.4โขActivate on: UnspecifiedโขStandard
$0.45 Get -
My Big Sister
Activate on: SteamโขStandard
$0.77 Get-87% $5.99 -
My Big Sister (PC)
Difmark4โขActivate on: UnspecifiedโขStandard
$1.21 Get -
My Big Sister
WinGameStore4.8โขActivate on: SteamโขStandard
$2.39 Get-60% $5.99 -
My Big Sister
Fanatical4.6โขActivate on: UnspecifiedโขStandard
$4.40 Get-26% $5.99 -
My Big Sister
Gamesplanet4.7โขActivate on: SteamโขStandard
$5.39 Get-10% $5.99 -
My Big Sister
IndieGala4โขActivate on: SteamโขStandard
$5.99 Get -
My Big Sister
Green Man Gaming4.7โขActivate on: UnspecifiedโขStandard
$5.99 Get
About My Big Sister
Game Specifications
- Single player
- PlayStation 4
- Windows
- PlayStation Vita
- Xbox One
- Nintendo Switch
System Requirements
Windows
Minimum
- OS *: Windows XP
- Processor: Intelยฎ Pentiumยฎ 4 2.0 GHz equivalent or faster processor
- Memory: 50 MB RAM
- Graphics: 64MB RAM
- Storage: 200 MB available space
- Sound Card: Any
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Price History
Frequently asked questions about My Big Sister
What is the cheapest price for My Big Sister Steam key?
The cheapest redeemable Steam key currently listed is $0.37 at K4G. Prices were last checked on September 14, 2026.
View key offersWhat is the difference between key and account offers for My Big Sister?
Gamescade currently lists 10 redeemable keys and no account offers. A key is redeemed on your own account, while an account offer provides access to a separate account containing the game.
View key offersWhat are the PC system requirements for My Big Sister?
Minimum PC requirements for My Big Sister include an Intelยฎ Pentiumยฎ 4 2.0 GHz equivalent or faster processor CPU, 50 MB RAM, a GPU with 64MB RAM, and 200 MB of available storage. See the full requirements below.
What is the My Big Sister release date?
My Big Sister was released on November 9, 2018.
Is My Big Sister single-player, multiplayer, or co-op?
My Big Sister is listed as a single-player game. No multiplayer or co-op modes are currently listed.
Where can My Big Sister offers be activated?
Current My Big Sister key offers can be activated on Steam. Check the retailer page for region restrictions before buying.
Which platforms have active My Big Sister deals?
Gamescade currently lists active My Big Sister deals for PC.
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