Organ Trail is a zombie survival parody of The Oregon Trail developed by The Men Who Wear Many Hats. Players are given the task of navigating a five seat station wagon across the United States in the midst of a zombie outbreak. Dangers along the way include bandits, zombie hordes, and dysentery.There's two versions of the game: A free Flash version, and a buyable "Director's Cut" version with extras and more in-depth gameplay.
This game provides examples of:
Adam Smith Hates Your Guts: Averted, actually. Unlike the stores in The Oregon Trail, store prices in the Flash version remain the same throughout the game. In the Director's Cut, prices fluctuate: the farther west you go, the more expensive (and scarce) supplies get.
Crapsack World: Zombies are running rampant, large sections of the United States are too irradiated to pass through, and you have to get out of D.C. before it gets nuked.
Critical Existence Failure: You only get a Game Over when you run out of health (unless you're doing the finale). Running out of gas or items needed for a car repair, can be gained by waiting for people to pass by with whatever you need or scavenging.
Mini-Game Credits: Make it to the end and you get to run over zombified cast members with your car.
Money Grinding: By scavenging for extra rations or stuff you don't need, you can sell it at towns for a lot of money. This is usually a good tactic to do early on, since not a lot of towns have a good amount of stuff to buy later on.
Nightmare Face: When inspecting a tombstone in the Directors Cut, a zombified face can pop out at any time.
Nintendo Hard: Only naturally. Especially in the finale, where you need to get ten tanks of gas and a single hit from a zombie will kill you.
The Director's Cut is ungodly brutal, even on the Easy difficulty. The mobile version is even worse because of the aiming system, which requires you to pull your finger in the opposite direction and aim. This immobilizes you, making shooting zombies at point blank suicidal unless you can swipe fast enough in the opposite direction. Shooting bandits, however is even worse with the aiming system, as bandits fire rapidly and accurately, resulting in waiting for the volley of bullets to end, giving you maybe a second or a half to shoot before the bandits start shooting again. It boils down to rapidly aiming and hoping you didn't miss.
Nuclear Option: The government has nuked about a third of the United States trying to destroy the zombie hordes.
You're also on a time limit to get to a certain point in your journey. If you fail to get far enough on the trail fast enough, then you get caught in the nuclear detonation of Washington D.C. (which reaches across multiple states) and die.
Numerical Hard: The higher the difficulty on the flash version, the less amount of time you have at the start of the game to scavenge for supplies. Nothing else seems to change. Averted on the Directors Cut version, which changes if the aiming dot is visible, how fast the zombies are, and the random events.
Story-Driven Invulnerability: If one ally is alive, your lead character doesn't lose health due to rations or disease, but can still be injured if attacked while scavenging or on a job.
The Director's Cut has two additional changes - random events can sometimes injure the main character, and the main character isn't healed if one ally is alive.
Too Dumb to Live: Sometimes one of your party members may wander off from the car, never to be seen again. This trope can also applies to the whole party if you botch scavenging for supplies at the the start of the game.
Videogame Cruelty Potential: You can kill party members at will, regardless of whether or not they're infected. There's an achievement for killing a perfectly healthy party member, and for making the entire trip alone, which requires you to ruthlessly murder your party members.
We Cannot Go On Without You: Normally, if your leader dies, the game ends. Even if you have other healthy party members who could take over. However, this is Averted during the final challenge, where the next member can jump out of the car and pick up where your fallen leader left off.
Zombie Infectee: Party members can and will get bitten. However, this isn't a problem unless an infected party member is incapacitated. In fact, each zombie infectee you successfully bring to Sanctuary alive is worth more points than an uninfected party member.
In the Director's Cut, being infected causes a survivor's health to drain faster, though not by a huge margin. It also occasionally causes them to catch a unique disease that you can't otherwise suffer from, which takes out a huge chunk of their lifebar and causes their health to drain very rapidly, though it eventually wears off if they survive.