How do you register your score to the leaderboard?

Looking for co-op partner

No Way !!! Profoundly deluded, Double Dragon DON'T look like this on real arcade machine

双截龙1用遍所有武器成就如何达成

Insert Coin

Unable to change resolution

Arcade slowdown?

cant play game its blown up to big.

DD3 Expert difficulty achievement awarded for beating story mode on easy

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Сетевая игра (Достижения)

Кто хочет на прохождение ?

In Double Dragon 1, will the enemies attack you if they meet you while in route to a weapon?

Double Dragon - Memories playing this as a kid in the 80s

bugs so far (feel free to post bugs)