The definition of 'gambling' in video games is expanding. While the UK has decided against an immediate ban, the EU Parliament has voted to take action to protect consumers, specifically minors.
Transparency Mechanics
To operate safely in the EU, games must now disclose exact drop rates within the UI of the purchase screen. Furthermore, 'pity timers' (guaranteed drops after X attempts) are becoming an industry standard to argue against the 'chance' element in court.