Play as T-Rex Beat "Challenge" mode on the hard difficulty level with the elephant. Expert Difficulty level Beat "Challenge" mode on the hard difficulty level. Alternate character appearances While you are at the character selection screen, hold L1 or R1 and select a character. Quicker Start When the word "Go" is spoken while your character is at the starting line, press X (with the default controller setting). If timed correctly, your start will be faster.