About this app
About Book of Gold
Cee-lo—derived from sì wǔ liù (Chinese for “four-five-six”)—is played with three six-sided dice. Popular among Chinese-American players as early as 1893, it was adopted by hip-hop culture in the late 1970s and became a fixture on the street corners of Harlem, Brooklyn, and the Bronx.
Nas, the Notorious B.I.G., and Jadakiss all referenced the game in their music. Kool G Rap called his 1995 album 4,5,6, and its title track included the line “Headcrack, time to get the bread”—the lyric that most likely inspired 50 Cent’s casino adaptation.
But it was Thomas DeCarlo Callaway who gave the game its biggest mainstream exposure, and gesture of love, when he took his stage name, CeeLo Green, directly from it.
According to TCS/JOHNHUXLEY, 50 Cent Headcrack is designed to attract players who are not already at the tables, and to keep the game moving once they sit down, while preserving Cee-lo’s essential drama: three dice, one shooter, and the hope of rolling a 4-5-6.
What is Book of Gold?
As of 31 March 2026, there were 2,154 licensed gambling operators, marking a 1.1% decline on the previous year. However the number of separately licensed gambling activities edged up 0.4% to 3,097.
The land-based gambling sector, comprising adult gaming centres (AGCs), betting shops, bingo halls and casinos, produced £4.9 billion in GGY over the year, marking a 1.1% yearly increase.
However, the UK’s physical estate shrank, with overall licensed gambling premises falling by 2% to 8,081.
How to play Book of Gold
Harris Tsangarides, executive director of the Gaming & Casino Supervision Commission, said his department had noticed spikes in gambling activity coinciding with GMI payment dates, prompting the regulator to consider “technical solution” to cross-reference GMI beneficiary lists with casino membership records.
An issue raised by Giannis Vasiliadis, director of WBAS, was the limited access to recipients’ banking information. This limited data can hint at suspicious activity but cannot conclusively verify gambling transactions.
Data Protection Commissioner Maria Christofidou said her office had reevaluated a 2022 legal opinion and now recognised a potential legal basis for more granular access to banking information.
