Crazy Taxi 3: High Roller (PC)
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All drivers
Successfully complete Crazy X level S-S.
Another Day mode
Successfully complete Crazy X level 3.
Bonus courses
Successfully complete Crazy X level 1 to unlock the West Coast, Glitter Oasis, and Small Apple courses.
Bonus taxis
Successfully complete Crazy X level 2 to unlock the bike, stroller, and carriage taxis.
Glitter Oasis: Loch Ness monster
Go to the water near the dam and look around for a while. You will see the Loch Ness monster.
West Coast: Killer whale
Go to the beach and you will see a killer whale.