Do not download from random "EXE" file websites. Many "downloads" for SORR 5.3 are viruses. Since 2021, the community has largely migrated to the "Streets of Rage Remake v5.3 Final" preservation patch, which fixes a few remaining bugs (like the "Backup Attack" glitch).
While SoRR is a fan-made project, Sega has announced an official new title in the series, , which was revealed at The Game Awards 2023. Streets Of Rage Remake 5.3
Features like the "Survival Mode" in the Mr. X Nightmare DLC for SOR4 are a direct spiritual sequel to the endless modes in this fan game. Do not download from random "EXE" file websites