Game Questions & Answers (Q&A) service lets you ask questions about video games for game consoles or PC games. So ask your Touch Tanks: Europe question for iPhone - iPod and get answers from real gamers or answer questions and share your insights and experience with the rest of the gaming community.
Question & Answers
Answer from: MisterFarenheit
To unlock the challenger you first of all need to reached the rank listed under the tank. once you reach this rank this will change to buy tank and you click on that if you have enough credits.
Posted on: 06-30-2014