This collapse in turn triggered events that moved faster than Sevan's plan could be put into effect.

State changes trigger events called reactions, that in turn change other states.

"Well, Sheriff, some of us don't get very many pages in this world, but our lives can trigger events that influence the over-all picture."

No one know whether human activities will trigger such events in the coming decades and centuries.

"You certainly triggered events, but you could not possibly have anticipated them."

He also seems to have the power to trigger certain important events, such as causing a blackout by sitting in the middle of a pyramid.

Special panels in the board game can trigger "special events" when landed on by the player.

The player clicks on various elements in a scene to trigger events.

While inside the ship, he can trigger various events.

The game starts out with a few available tasks, but more open up by triggering key events and/or working at a particular place for some time.