Angry Birds Transformers generated characters to assist in a level for a limited time. Coins may be collected either during runs, popping pigs and/or simply by waiting and collecting coins that generate over time from freed areas. Some levels or features can be only unlocked when the player has upgraded enough Transformers to level 15. The game is the fourth game in the franchise to be compatible with Angry Birds' Telepods, a toy line that is also used in other "Angry Birds" games such as: "Angry Birds Star Wars II", "Angry Birds Go", and "Angry Birds Stella". When using Telepods, it can summon
Angry Birds Go! the gameplay and was not overly bothered by the in-app purchases. "Tech2" did not like the energy system, which only allows you to play five races with a bird, after which they are locked unless you wait or unlock with crystals (which are slowly earned in-game or with an in-app purchase) and did not like the vehicle upgrade process using in-game currency that is slowly earned by racing or with an in-app purchase for coins. Angry Birds Go! Angry Birds Go! is a kart racing game and the eighth game in the "Angry Birds" video game series. The game was