Design Diary: 7-Odd-Even

Here’s a neat little dice idea I’m thinking about. If you roll 2d6, the odds of rolling exactly 7 are around 16%. The odds of rolling an odd number other than 7 are around 30%. The odds of rolling any even number are around 50%. Throw in a free reroll and the dice can have a 75% chance of rolling odds. Those are basically the only odds a player needs to face in an RPG. In a d100 system, a player…