Loot boxes mimic the excitement of gambling by offering random virtual items that can be cosmetic or functional. Psychological research links their reward mechanics to variable ratio reinforcement, which can encourage repeated purchases. Many countries have begun regulating or banning them under gambling legislation, prompting publishers to adjust their designs. Critics argue that targeting microtransactions at vulnerable players exploits addictive behaviors. The industry responds by promoting transparency, such as displaying odds, and offering alternative loot systems.