Game Guy's Roulette
The player attempts to pick which space on the roulette wheel the Red Shell will spin into, from wide to narrow and from less to more. After that, Game Guy spins the shell around the roulette. If the shell spins into another spot instead of the spot the player picked, the player loses all the coins.
Spaces on the roulette
Let B be the number of coins bet and observe that there are 21 spaces on the roulette wheel. Then, for each space, the EV is:
By betting Toad or Game Guy constantly, the player can actually, in the long run, triple their coins. On the other hand, the most likely option to hit is the most profitable for Game Guy, with an EV of only around half the number bet.
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