Yes, players can access Jagex games, including RuneScape, on multiple devices using the same account, provided those devices are compatible with the game. Jagex has made significant strides in allowing cross-platform play, which enables players to enjoy their favorite games on different systems such as PC, mobile, and even consoles where applicable. However, it is essential for users to log in with the same account credentials to maintain progress and access their characters, items, and achievements across all devices. Keep in mind that depending on the device, some features may vary, and it is always a good idea to check for any account linking options that may enhance the experience. For specific details on supported devices, players can refer to the official Jagex website.