In my definition:Activity: has objective, and either has no end OR no win/loss conditionPuzzles & Games: have objectives, consequential decisions, win/loss conditions, and end.Puzzle = player v system to winGame = player v player to win
In my definition:
Activity: has objective, and either has no end OR no win/loss condition
Puzzles & Games: have objectives, consequential decisions, win/loss conditions, and end.
Puzzle = player v system to win
Game = player v player to win