Alien Breed is a series of top-down Shoot Em Ups by Team17, perhaps better known as the creators of the Worms series. The original Alien Breed was released in 1991 for the Commodore Amiga and later in 1993 by Micro League for MS-DOS. The game was based heavily - and unofficially - on the Alien films, specifically Aliens, and also on the 8-bit-era games Laser Squad and Paradroid and was compared to Gauntlet and Alien Syndrome. The formula was simple enough. The player(s) controlled a Space Marine on an alien-infested Space Station, attempting to locate elevators leading to lower levels while battling aliens, gathering ammo and money and buying things from store terminals. The style of gameplay, i.e. rampaging from point A to B, was considered a direct precursor to the First-Person Shooter, namely Doom. It was followed by Alien Breed II: The Horror Continues in 1993, Alien Breed: Tower Assault in 1994 (the last 2D entry), Alien Breed 3D in 1995 (in conjuction with Ocean), Alien Breed 3D II: The Killing Grounds later that same year. All were highly praised. A PC/Dreamcast First-Person Shooter sequel called Alien Breed: Conflict was planned, but was eventually canceled.Fast forward to December of 2009, with the release of the Unreal 3 engine-driven Alien Breed: Evolution on Xbox LIVE Arcade, later released as Alien Breed: Impact on Steam and the PlayStation Network in June of 2010. This ReBoot of the series stars Joseph Conrad, chief engineer aboard a diplomatic ship called the Leopold. After suddenly dropping out of Hyperspace, the Leopold impacts a far larger derelict spacecraft in a decaying orbit around an uninhabited ice world. With most of the crew dead, it's up to Conrad to find out what went wrong and attempt to rectify the situation. Reviewers praised the game's look but complained "It's the Same, Now It Sucks," stating it was no different than its Amiga predecessors. A sequel, Alien Breed 2: Assault, was released in September, followed two months later by the final part of the trilogy, Descent.
Incredibly Durable Enemies: The Xenomorphs can take quite a beating for a Zerg Rush type of mook. You'll be wearing your ammo down before long if you don't get a weapon that can beat them within two hits.
Unwinnable by Design: In the '92 special edition, the third level's layout makes it possible to seal yourself on the western part of the map, with no route to the exit. The mission briefing warns this is possible, and recommands passing through a fire door your about to close to avoid that situation.
Weak Turret Gun: Subverted, these could withstand quite a lot of punishment.
Apocalyptic Log: The logs found in Impact are just descriptions of the different types of aliens, but several logs found aboard the derelict in Assault play this straight. Descent has a mixture of both.
BFG The Ion Spike, essentially a Lightning Gun, found in Impact. It's actually not all that large, but it packs a hell of a punch. More to the spirit of the trope, the Hyper Blaster and Rocket Launcher in Assault are both fairly sizable.
Decent adds "Project X", which pretty much shoots a huge burst of lighting forward that kills anything in it's path.
Black Dude Dies First: It can be assumed that Vance and Barnes both get killed around the same time, but since it happens off screen you don't know who dies first. You do find both their bodies, Vance's before Barnes', but it doesn't hint to who actually died first. It could be subverted if we're going by when the bodies are found though, as it actually makes the black dude last to die.
Boring, but Practical: The Assault Rifle is rapid fire, has two-hundred round magazines, ammo for it is easy to find and cheap to purchase, and it has inexpensive upgrades. You begin the game with it, and it is useful throughout all three episodes, barring some hairier segments in Assault better addressed with the Flame Thrower or Hyper Blaster.
Bug War: The implied result were the Breed to escape their confinement aboard the derelict.
Camera Screw: Unlike, say, Alien Swarm, the maps in this game are designed in such a way that you can't always see what you're doing, requiring you to manually rotate the camera view to maintain perspective on the action.
Cartwright Curse: Conrad has been widowed twice. The second time, he lost a daughter, too.
Coop Multiplayer: Two players can control Vance and Barnes, other survivors of the Leopold's crew, in a side-story to the single-player campaign. They meet up with Conrad on occasion.
Dark and Troubled Past: For some reason, Descent decides to give every single character a dark and ambiguous past.
Conrad had his first wife killed by radiation poisoning, and his second wife and daughter killed in a war, leading to his hatred of synthetics. To be fair, this past was being hinted at since Impact
Mia may or may not have hijacked several ships to cause them to self destruct, after her commander died so she could secure the position
Vance may have killed his twin brother when they were 5 to secure the family fortune for himself
Barnes was possibly a high leveled criminal
Klein constructed the aliens of course. And pretty much killed the entirety of the second ship.
Disaster Dominoes: As if crashing into the derelict wasn't bad enough, things get worse and worse as Conrad goes along, and nothing seems to work right.
Emergency Weapon: You have a semi-automatic pistol for backup, with unlimited reloads. It packs a surprising punch.
The Engineer: Conrad. This is shown in game by his ability to effortlessly manipulate critical systems of both ships.
Everybody's Dead, Dave: Virtually everyone besides Conrad, Mia, and the Co-op characters Vance and Barnes is dead. In Impact Conrad meets some medics and wounded soldiers, but beyond that the few NPCs encountered get munched by aliens before Conrad can even see them. And Mia isn't even alive, per se.
Exploding Barrels: All over the place. Some are conveniently placed to blow open new pathways.
Lost Technology: That derelict ship? It's actually a two-hundred-year-old human-built research vessel. And the Breed? genetically engineered from harmless microbes from the ice planet below, as part of a project Gone Horribly Right.
Old Soldier: Conrad served a record seven tours of duty in the earth military prior to his career as an engineer.
Plant Aliens: The log describing Impacts Final Boss mentions that it is part plant, and apparently can transmute and reassemble itself anywhere that the bio-sludge present in the hydroponics sector crops up.
Save Point: Unusually for a game nowadays, you must find specific terminals at which to save, which also happen to be the stores. The game also auto saves at specific checkpoints.
Sci-Fi Writers Have No Sense of Scale: In Impact, the given dimensions of the derelict are in dozens of kilometres. The mass is given as a little over 100,000 tons. This would actually mean the derelict is millions of times less dense than a soap bubble.
Sentry Gun: Found as an inventory item, and must be installed on specific "power points"... conveniently located in areas that get a lot of Breed traffic.
In the last level of Impact, along with Assault and Descent sentry guns become enemies. The security system (Which has probably been hacked by Klein) really doesn't want you on that ship
Take Up My Sword: Mia's final act is to give Conrad her power cell, which could be used as an explosive to destroy Klein.
Take Your Time: There are specific sequences where you have limited time to escape an area, but you have all the time in the world before the derelict impacts the ice planet's surface. Or after that, until it sinks into the icy depths in Descent.
Videogame Flamethrowers Suck: mostly averted. This game's flamethrower is damaging, handles crowds better then any gun save the Hyper Blaster and is surprisingly ammo-efficient. It is however, painfully short-ranged.