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.
Colombia is well known for its iconic cities such as Bogota and Medellin. Historic names such as Pablo Escobar spring to mind when Colombia is mentioned. Gambling was banned for a long time then this ban was overturned in 2016. Online gambling is not that popular with locals because very few have credit cards.