Shellshock is a dark, futuristic deathmatch style battle for 2-4 players. Players take control of a team of up to 6 unique characters and have to take out the other teams characters first to win the match. The game uses turn-based strategy, character abilities and resource cards to give players a wide range of choices during their turn. Simple health tokens are used to measure character health and the game takes place on a 10x10 square tiled board.