Blacklight: Tango Down

The game contains modes such as Deathmatch, Team Deathmatch, King of the Hill, Domination, Capture the Flag, Last Man Standing, and Last Team Standing, with two slightly more unique modes, those being Retrieval and Detonate. In Detonate, a neutral bomb is at the center of the map, and a player from one team has to plant the bomb at the base of the enemy team, and prevent it from being defused. Retrieval is a modified version of Capture the Flag, where you cannot take the item (being either a bomb or a canister with sensitive information) to your base. There are two of them on the map, one belonging to each team. The points are scored whenever the canister/bomb is at the retrieval zone of the enemy team, where it accumulates points, but it is still an enemy team canister/bomb.

The game makes use of its near-future setting by offering HRV (Hyper Reality Visor) that allow players to see an enemy's presence through walls and other obstacles, as well as two types of grenades that counter other players' visors through the use of a blurring effect, similar to a digital smokescreen, along with a type of grenade which emits EMP that forces the enemy's HUD to reboot and reset, resulting in temporary blindness.

The game was officially announced by Zombie and Fox Atomic on March 16, 2009 at a press conference. The pair announced not only the game, but the collaboration on the film and comic book series as well. The comic book, which tells the story that resulted in the events of the final game, is a loose adaptation of the novel Heart of Darkness.

The only details revealed were the first-person perspective and futuristic setting of the game. However, a screenshot of the game, released in 2009, indicates it may have been third-person, and that within the game's files, may have had a single-player, with many different mechanics hinted (for example, manual saves and under-barrel grenade-launchers). The designers described Blacklight as "Science Fact", as opposed to science fiction. It was explained that this meant Zombie researched the cutting edge of modern-day technology and applied them to the armor and weapons of the game to give it a real but futuristic atmosphere.

Blacklight: Tango Down received "mixed" reviews on all platforms according to the review aggregation website Metacritic.

The most positive review came from Daemon Hatfield of IGN, who described the Xbox 360 version as a "fun and inexpensive way to get your multiplayer fix", and that "when you first jump into the game it may be hard to believe you only paid $15 for it". However, despite commending the game for being solid, he admitted it was "not particularly inspired". GamesRadar+ gave a similar review to IGN, saying that the same Xbox 360 version "seeks to bring the beloved multiplayer modes of AAA shooters to a downloadable game that only costs fifteen bucks, and in many respects it does this well", but called the co-op modes "linear" and "uninspired".