Ratchet & Clank: Before the Nexus has never been released for PC, so it has no PC system requirements. It came out on Android, iOS. Released in 2013.
There is no emulator for Android, iOS that this site will point you at.
Platforms: Android, iOS.
System requirements for the game Ratchet & Clank: Rift Apart
System requirements for the game Ratchet & Clank: All 4 One
System requirements for the game Ratchet & Clank: Into the Nexus
System requirements for the game Ratchet & Clank (2002)
System requirements for the game Ratchet: Deadlocked
System requirements for the game Ratchet & Clank: Up Your Arsenal
System requirements for the game Ratchet & Clank: Full Frontal Assault
System requirements for the game Ratchet & Clank: Going Commando
