Two views of SCG:

View A:
SCG is an algorithmic game for agents to 
competitively and collaboratively
solve and pose hard computational problems
in a domain and its
niches (subsets of domain problems)
and ranking the quality of solving and posing
with bounded resource-consumption
by evaluating the contributions of each agent.

Explanation:
algorithmic game: played by administrator with all agents.
But behind each agent is at least one human.

competitive: agents try to beat the others.

collaborative: agents improve when the lose.
Their developers gain information to be added to the next
iteration of the agent.

View B:
SCG is an algorithmic game to
collect evidence for or against facts.
The strength of the evidence depends
on the strength of the participating agents.
The facts can be about algorithmic properties
connecting to view A.