
Added character classes. Each class has a specific loadout and may have unique gear.
New classes are: the Rookie, the Shock Trooper and the Heavy.
Added a progression tree. Unlock new equipment and classes by spending shards in the arsenal menu.
Loadout selection is replaced with a class selection.
Some mouse/keyboard and gamepad controls use symbols instead of letters. (ongoing work to replace all)
Gaining and spending shards have more visual and auditory effects.
In HUD: spent ammo is shown.
New cursor
Added an additional mission to the campaign.
Missions have more narrative text.