This page contains Lego: Mars Mission Hints for PC - Windows called "More credits" and has been posted or updated on Jun 9, 2009 by Valadrim. Let us know what you think of this Hint by thumbs voting.
Enable the fatwallet code. Enter the pizza level and kill all aliens in the area. Do not get the pizza. Build two or three Crystal Miners then mine the crystals. Wait until you get 100,000 credits.
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