OneTime on 17 October 2020
Lives are a gameplay mechanic like any other. If it makes your game more interesting, you put them in.
In the old day, lives were equivalent to the coins you put in the machine: stick in enough money and you finish the game. There was a target of how much money a game would take in an hour. These days games are based on "number of hours" you play them before you inevitably win...
