Usually, casinos require that a player signs up and makes some deposit before they (casinos) can release a bonus into the player's account. However, it's difficult for players to entrust casinos they don't know well with money. To allay any doubts, some casinos offer what is called sign-up bonuses, which players can claim once they just register.
Singapore is the economic powerhouse of South-East Asia. It is a hub for investment and trade, comparable to Hong Kong, and open for foreign companies. While Singaporeans are among the most prolific gamblers in the world, second only to Australians, the market is highly regulated, and online gambling is actually illegal in all forms.