Tetris: Chance or Skill?

A balanced game is:

A well-balanced PvP or PvE game provides meaningful choices & a player’s skill must affect success.

Additional balance requirements for PvP are:

________ costs are costs that are not immediately apparent.

Rock-paper-scissors is a concept used in a _______.

_______ unit differentiation is a unit that is not simply more or less powerful, but uniquely different.

Persistent worlds are always symmetric and always intrinsically balanced.

______ difficulty must increase over time to counteract the player’s growing in-game experience.

How can positive feedback be controlled?

The following statements describe which strategy?

1. a strategy that reliably produces the best outcome a player may achieve, no matter what his opponent does

2. undesirable because a player has no reason to use any other strategy once she has discovered the particular strategy