Angry Birds (video game) use polish – such as sharper visuals, a better price and smoother action." Damien McFerrin of British website Electric Pig reviewed the PC version, saying "the mouse-driven control method showcases many distinct advantages over its finger-focused counterpart". Angry Birds has also been described critically as impossible to understand the playing rules criteria by game critic Chris Schiller of Eurogamer.net, which has 'a contemptuous attitude towards its players, keeping them just frustrated enough not to switch off and play something else instead.' "Angry Birds" became the top-selling paid application on Apple's UK App Store in February 2010, and reached the top
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