Agents and wealth in the past can also be used to rob and kill other players' past agents, and in the present automatically guard the player's survival. Opportunities Changing the past is not at all easy, almost all of it is extremely resistant to change for reasons not covered here. The opportunity can only be taken by one player, once taken it is no longer available to anyone, and in game terms is replaced by another unrelated opportunity, probably somewhen else. Players try to keep all their activities in the past secret, since their agents are vulnerable to attack if they are identified for what they are. However, making changes is unavoidably linked to becoming conspicuous, and taking any opportunity increases the visibility of the player's operations in that location.
Increased visibility is bad because attacks are always against the most visible other player.
Visibility can only be decreased by the loss of agents, at one point of visibility each. Direct Acquisition - the player manipulates suitable people in a location to bring wealth under the player's agents' control. Indirect Recruiting - guided and helped by the player, agents in a location make a long term change to the timelines in such a way that the player's agents in a future location multiply. This means, for example, that these opportunities give no benefit to a player who doesn't have all three of these numbers greater than zero. Investment - as indirect recruiting but applied to gaining future wealth.