* Use Bear on every combat-heavy mission. Use his skills to upgrade his
armor first and foremost.
* Archer is necessary to keep your people cool under fire. Upgrade his
leadership and accuracy skills and use him on point.
* Select the sniper character (Maya) and upgrade her rifle skills. The
sooner she can use that rifle at close range, the better her chances.
* Use Gennady and his scanner in later missions. It becomes crucial to
know in advance where the bad guys are hiding.
Select single mission mode and choose a team. Select "Train", then type
Select the easy difficulty setting, then press [Backspace] to undo your