ANGRY BIRDS THAT BECAME A £1.5bn PHENOMENON

Angry Birds was launched in 2009 by Finnish firm Rovio Entertainment In 2012 it became the first mobile game to hit 1bn downloads

There are now thought to be more than 125m users The game spawned a movie which made £270m

11 Angry Birds theme parks have opened, including two in Britain

It was claimed in 2014 that British spies had hacked the app to collect user data THE maker of mobile le phone game Angry Birds is plotting a £1 £1.5bn5b fl float t on the stock market ahead of releasing a second movie.

Finnish business Rovio Entertainment launched the smash-hit app eight years ago and set a host of records as the game’s popularity rocketed.

Bosses are reportedly seeking to raise £308m – money which could be used to fund their Angry Birds 2 film, due for release in 2019.

The game sees users catapult birds into pigs which are trying to steal th theiri eggs. But Bt althoughlth h itsit foundersf d are now millionaires, video game firms have a history of disappointing investors when they go public.

Entertainment software companies which listed this year have since seen their values fall 18pc on average, according to Bloomberg analysis.

Experts believe it is because many of the companies are unable to reliably churn out follow-up hits after an initial huge success.