Double Dragon IV - Hardcore Gamer

Double Dragon (TV series), Double Dragon Wiki

Review: Double Dragon IV - Hardcore Gamer

Battletoads/Double Dragon - Wikipedia

Unlocking Mysterious Warrior - Tower Level 40 - Double Dragon IV DD4 Challenge Survival Mode

Double Dragon IV details background, modes, and characters - Gematsu

Double Dragon IV – Hardcore Gaming 101

Double Dragon IV (PC) Tower_Unlock Characters

Double Dragon IV (PC) Playthrough - NintendoComplete

Double Dragon IV, Double Dragon Wiki