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Rastan Saga II (ラスタンサーガII) is a 1988 arcade platformer by Taito and the sequel to Rastan Saga. Opera House ported it to the Sega Mega Drive in 1990. The branding of this port is unusual; the "Rastan Saga" name was never used outside of Japan otherwise, as the first game was called Rastan outside of Japan, and this second was called Nastar or Nastar Warrior (US).
In Japan, Sega released a version of Tetris as a conversion kit for Nastar cabinets for unknown reasons.
Rastania is a land known for its temple, the aptly named Skyscraper. A "wicked group" (who are not identified further) tries to take control of Skyscraper, knowing that succeeding would make them rulers of Rastania. You are a warrior who must stop them before they succeed.
Gameplay
attacks; use the D-pad to aim your attack and hold to repeatedly attack. jumps. appears to do nothing, but the arcade version does have multiple collectable weapons, so might switch weapons when other weapons are acquired (TODO).