Rachel Michelle Sheets Meadows Active 3 years, 11 months ago
ramonpontes replied to the topic Cost of Upgrading Characters in Events in the forum Angry Birds Transformers Forum 3 years, 11 months ago
@rachel-michelle-sheets-meadows
The normal (map) characters are unlocked when you open a certain area on the map by raising your level. Each character you upgrade gives you one level. After reaching the area, you must release the bot using pigs. This works until level 175. After that, there is no more character on the map to be freed.
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