Double Dragon IV - Hardcore Gamer

Double Dragon 4 Review - IGN

Double Dragon 4 (Unlicensed) (NES) Walkthrough

Double Dragon 4 Review

Double Dragon IV Archives - Nintendo Everything

Review: Double Dragon IV (PlayStation 4 & Steam) - Defunct Games

Double Dragon IV: Pretty uninspiring, but hardly surprising

Double Dragon IV Trailer Shows Its Retro-Style Beat 'em Up Action On Nintendo Switch - Siliconera

Double Dragon IV Nintendo Switch Trailer

Watch: Johnny and Ian get doubly disappointed by Double Dragon 4

Double Dragon 4 for Nintendo Switch - Nintendo Official Site