Complex sentence: Once all contestants have played the game, they then play the next game, "Cash Cube", a giant cube containing prize amounts, with 5 rows, with 5 segments in each, each colour coded, containing cash prizes.
Split into simpler sentences: Once all contestants have played this game, the next game, "Cash Cube" is introduced. The cash cube is a giant cube containing prize amounts, with five rows, each with five segments, each colour coded, containing cash prizes.