Au fost anuntate mai multe trupe pentru editia din 2026 a Rockstadt Extreme Fest. Lista formatiilor confirmate pana acum este mai jos:
Lamb of God
Helloween
In Flames
Accept
Nevermore
In Extremo
Thy Art Is Murder
Bleed from Within
Of Mice and Men
Nothingmore
Perturbator
Igorrr
Deicide
Orbit Culture
Alcest
Cryptopsy
Decapitated
Death Angel
Fit for an Autopsy
Immolation
Municipal Waste
Signs of the Swarm
Vended
Tribulation
Northlane