Success criteria
Allowing each player to roll a dice twice
Add the two dice tighter for each player to determine their score
Add extra 10 points to the total score of each player if their total is an even number
Subtract 5 points from the total score of each player if their score is an odd number
If player roll a double, they get an extra roll and add to their score
In the case where you are subtracting 5 from the total score must not go below zero in which case the total must be set to zero
Check which player has the highest score in round 1
Repeat the process (loop) for 5 rounds and check which player has a higher score after 5 rounds
If the score after 5 rounds is the same, then each player roll a die and player with the higher score wins