This is the ultimate Grand Theft Auto 3 challenge. I completed it on my 15th try. Challenge by SonicMarmalade, visit his website for more other challenges:
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These are the 10 steps you have to take in order to complete it:
1) Get 5 stars at the Wichita Gardens hideout
2) Drive to the Portland hideout while at 5 stars
3) Get 6 stars at the Portland hideout
4) Get to the Wichita Gardens hideout while at 6 stars
5) Drive to the airport and steal a Dodo
6) Fly underneath the 2 major bridges and reach the army barracks
7) Land the Dodo at the army barracks, steal the tank, drive to mafia territory in Portland
8) Blow up the 2 mafia Sentinels infront of Salvatore Leone’s mansion
9) Steal the banshee from the showroom
10) Drive the banshee through the tunnels and reach the hideout in Wichita gardens
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If you have ideas for other challenges, let me know, I would love to complete the