MaxiYatzy rules:
Three rolls in each turn. One roll must be made in each turn. Unused rolls are saved to the following turns.

Points

Example
Ones The number of eyes on the dice that show 1. 3 1 1 6 1 4=3 points
Twos The number of eyes on the dice that show 2. 2 5 4 3 2 6=4 points
Threes The number of eyes on the dice that show 3. 3 2 1 3 4 3=9 points
Fours The number of eyes on the dice that show 4. 4 4 3 4 5 4=16 points
Fives The number of eyes on the dice that show 5. 5 1 2 5 5 4=15 points
Sixes The number of eyes on the dice that show 6. 4 6 3 1 6 6=18 points
Bonus 100 points if the sum of the fields Ones to Sixes is 84 points or more. If the sum is 83 points or less then bonus is 0 points.  
One pair Two dice with the same value. The number of eyes on the two dice are counted. 6 4 2 6 5 1=12 points
Two pairs Two pairs. The pairs have to have different values. 2 1 3 3 5 5=16 points
Three pairs Three pairs. The pairs have to have different values. 2 2 5 5 6 6=26 points
3 of a kind Three dice with the same value. 4 5 3 5 5 4=15 points
4 of a kind Four dice with the same value. 2 4 2 2 5 2=8 points
5 of a kind Five dice with the same value. 3 3 2 3 3 3=15 points
Small straight The dice have to show 1 2 3 4 5. The last die can show anything. Small straight is worth 15 points. 1 2 3 4 5 3=15 points
Large straight The dice have to show 2 3 4 5 6. The last die can show anything. Large straight is worth 20 points. 2 3 4 5 6 6=20 points
Full straight The dice have to show 1 2 3 4 5 6. Full straight is worth 21 points. 1 2 3 4 5 6=21 points
Full house 2+3 One pair and '3 of a kind'. The dice in the pair and in the '3 of a kind' have to have different values. 3 4 4 6 6 6=26 points
Villa 3+3 Two '3 of a kind'. The dice in the '3 of a kind' have to have different values. 2 2 2 5 5 5=21 points
Tower 2+4 One pair and '4 of a kind'. The dice in the pair and in the '4 of a kind' have to have different values. 3 3 6 6 6 6=30 points
Chance Count all the eyes on the dice. 3 4 2 6 5 4=24 points
Maxiyatzy All the dice have to have the same value. MaxiYatzy is always worth 100 points. 4 4 4 4 4 4=100 points