Bring up the console by hitting the ` key and type the following for desired effect.

Code	Effect
Cash [value]	Sets energy amount.
Engineering [value]	Adds engineering points.
Influence [value]	Adds influence.
Instant_Build	Enables instant build.
Minerals [value]	Adds minerals.
Resource [resource] [amount]	Adds specified amount of specified resource.
Skills [value]	Adds specified number of skills to leaders.
research_technologies	Unlocks all technologies.