Mr. X Nightmare bundles the above with the playable debut of Estel Aguirre, fully realized playable versions of Max Thunder and Shiva, and grooving original music from Tee Lopes (Sonic Mania, League of Legends). A separate free update adding an in-depth training system, color palette options, a fiendish New Mania+ difficulty, plus a wealth of refinements and balancing changes addressing feedback from Streets of Rage 4’s passionate community, also arrives on July 15.