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Author: Agent Red Productions

Situation Outbreak is an Orange Box mod about the impending zombie apocalypse.

Armed with nothing but a 9mm and a pair of brass knuckles, you must do whatever it takes to survive against the thousands of zombies that used to be your friends and neighbors. The cost of failure is nothing less than your free will.

There are no heroes. No single person can save the world and there are not enough bullets to go around. The only thing left to do is to kill the damned, hoping that you don’t end up like them.

This is not your average, run-for-your-life zombie mod. Quickly, here are a few things that set us apart:

* A custom dynamic difficulty system that adjusts game difficulty in realtime based the Survivors' progress on a given map.
* Seven new, unique, awesome gamemodes, like Infection and Survival.
* A completely new arsenal of weapons – all developed in-house by Agent Red Productions.
* Survivors can buy weapons and ammo by cashing in points they earn for killing Zombies and zombie NPCs.
* Gain experience and level up for useful bonuses and powerups.
* Fight off hordes of zombies by hunkering down behind a barricade or going rogue.
* Make your own maps using our fully-developed, easy-to-use custom entity set and in-depth tutorials.

We pride ourselves on being the most active zombie-based mod on the Source scene; new updates are being released just about every month!
Infection

One player is chosen to become the host of the zombie infection - and must infect the rest of the players by tearing into their tasty flesh! This is the classic outbreak style of gameplay. Either the zombies rule the earth, or the humans retake what was theirs!
Survival

Survivors must defend themselves against the hordes of zombies NPCs for a specified amoutn of time. Be sure to keep the zombies off your back - once you go down, you're not getting back up.
Escape

Survivors only have a few minutes to escape before being overrun by zombies! No one must be left behind! One player is chosen to be the host of the infection at the start of the round. Better hurry, zombies don't raise themselves!

Holdout

Similar to Survival, Survivors will find themselves defending their fellows against wave after wave of zombie NPCs. However like Escape, there's a twist: the Survivors must also defend a specified holdout area until time runs out. Therefore the mission is not only to survive the infection, but to contain it, which makes this gamemode notably harder than the others.
Overlord

Often deemed an Infection-Survival hybrid, one player is chosen towards the start of each round to be the zombie overlord. As a zombie overlord, a player is capable of killing Survivors for points either by using their zombie claws or by spawning their own army of zombie NPCs to command. These points can then be exchanged to spawn even more zombie NPCs. If a zombie overlord is ever killed during the middle of a round, they are spawned as a Survivor and another zombie overlord is chosen to take their place. This continues until a zombie overlord successfully destroys the human race or until time runs out, in which case the Survivors win.
Objective

Often deemed a Escape-Survival hybrid, Survivors must complete a set of objectives before they can escape to safety with the additional twist of having to defending themselves against endless waves of zombie NPCs. If the Survivors fail to complete all of their objectives before time runs out, they lose, making this gamemode the most versatile and open-ended as far as what objectives the Survivors are assigned to complete. As an added challenge, players never respawn once they are killed.

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