12 Years After Its Release, the High-Speed Sword-Fighting Action Game "Nidhogg" Implements Rollback Netcode! Improvements to the online experience, CPU battles, and a new training mode are also coming.12 Years After Its Release, the High-Speed Sword-Fighting Action Game "Nidhogg" Implements Rollback Netcode! Improvements to the online experience, CPU battles, and a new training mode are also coming.12 Years After Its Release, the High-Speed Sword-Fighting Action Game "Nidhogg" Implements Rollback Netcode! Improvements to the online experience, CPU battles, and a new training mode are also coming.12 Years After Its Release, the High-Speed Sword-Fighting Action Game "Nidhogg" Implements Rollback Netcode! Improvements to the online experience, CPU battles, and a new training mode are also coming.