Metatopia was a great convention located at the Hyatt Regency in Morristown, NJ. This is a convention for game designers to playtest their games they are developing. I went there as a player and not as a designer. I wanted to learn how it is done. I took many different seminars, played many games that are still in development, and met many people who are up and coming designers and those involved with the industry.
In a resource management game, the main mechanic is for the player to collect resources that can be used to build things, upgrade, or accomplish the goals of the game.
The game mechanic Worker Placement or more precisely Action Drafting requires you select an action that is available to all players in a game. It is the most popular of the Euro-style games.
Dice rolling games has been around for centuries. Basically you roll dice and get results by chance. You have no control of the outcome. It's a random element of the game which makes it unpredictable and exciting.