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Löwenstein, Richard (January 1994). "Zool 2". Amiga Joker (in German). No. 43. Joker-Verlag. p. 18. Archived from the original on 2018-10-25. Retrieved 2018-10-24.
Fleischmann, Gerhard (February 1994). "Amiga Games Review: Grenlins Megaheld legt wieder los! - Zool 2". Amiga Games (in German). No. 17. CT Computec Verlag GmbH & Co. KG. pp. 20–22.
Ippisch, Hans (July 1994). "Jump & Run Review (A1200 Speziell/CD32 Speziell): Ninja auf AGA-Tour - Zool 2". Amiga Games (in German). No. 22. CT Computec Verlag GmbH & Co. KG. p. 17.
Löwenstein, Richard (January 1994). "Zool 2". Amiga Joker (in German). No. 43. Joker-Verlag. p. 18. Archived from the original on 2018-10-25. Retrieved 2018-10-24.