The Great Giana Sisters (Amiga) Longplay

The Great Giana Sisters is a 1987 platform game developed by German studio Time Warp Productions and published by Rainbow Arts. The scroll screen melody of the game was composed by Chris Huelsbeck and is a popular Commodore 64 soundtrack. The game is heavily based on Nintendo's Super Mario Bros. (1985), which led to production being stopped shortly after release, but it later inspired a number of sequels.
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PLOT
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The player takes the role of Giana, a girl who suffers from a nightmare, in which she travels through 33 stages full of monsters, while collecting ominous diamonds and looking for her sister Maria. If the player wins the final battle, Giana will be awakened by her sister.