
The Soldier resupplies teammates
Can throw molotov cocktails and flash-bang grenades
Can complete destroy objectives by using explosives.

The Engineer buffs his teammates' weapons & armor
Builds stationary turrets and plants landmines
Can complete repair and build objectives.

The Operative interrogates to get intel on enemy locations
Performs acts of sabotage
Disguises himself as the enemy

The Medic heals teammates
Revives downed teammates
Buffs their teammates' health

Brink (stylised as BRINK) is a first-person shooter video game developed by Splash Damage.
In Brink, two factions, Resistance and Security, battle in a once-utopian city called The Ark, a floating city above the waters of a flooded Earth.Brink has Steamworks integration, including Valve Anti-Cheat. It runs on id Tech 4 and has an updated rendering framework with improved support for multiple CPU cores. Brink is a first-person shooter with a focus on parkour-style movement. Online multiplayer servers hold up to 16 players; players can play cooperatively or competitively, or against artificially-intelligent bots.
Found this really decent Map Guide by waffe on the battlefieldnations.com Forums
Brink Map Guide
Below is the guide to all 8 maps that can be played in multiplayer and campaign mode of Brink.
Container City
Security
Primary Objectives
Destroy the Gate (Soldier)
Escort Maintenance Bot (Engineer)
Repair the Crane (Engineer)
Deliver Sample (General)
Secondary Objectives
Hack the Side Door (Operative)
Construct Side Stairs (Engineer)
Destroy Market Barricade (Soldier)