Freedroid RPG

Freedroid RPG is an Open Source Role Playing Game in the style of Fallout or Diablo. In it, Tux the Penguin fights off an army of crazed robots with weapons such as bare flippers, wrenches, swords, lightsabers and "The Exterminator". The game is based on Paradroid, borrowing from it both the robots and the ability to take control of one's foes. The game is currently in beta, but the current release is remarkably filled out (and stable).

This game provides examples of:

 * AI Is a Crapshoot: The entire point. Filled with Killer Robots.
 * Awesome but Impractical: The Super Exterminator!!! (with exclamation points). One shot is able to take down most of the robots, however requires 5 seconds to reload, requires to be repaired after about ten shots and may damage you if you're standing too close.
 * BFG: Aforementoned The Super Exterminator!!! and Barret M82.
 * Bilingual Bonus: Engel Fleischer (Angel Butcher) and his brother Geist (Ghost)
 * Black and Grey Morality: The very first quest of the game requires you to help the leader of the Red Guard commit mass murder.
 * As of version .15, you have to side with the Red Guard in order to reach the endgame.
 * There are plans to avert it and let the player character join the resistance.
 * Cast From Hit Points: The "spellcasting" system. You cast spells by running "programs", which heats up Tux's brain. If you get hot enough, you begin to take damage. Continue to cast spells, and Tux will go into sleep mode for a while, with no means of protection.
 * Crapsack World: The Red Guard taxes and oppresses the population into oblivion, the only food is carcinogenic MREs (despite the presence of a trained chef, whose cooking apparatus was used as fuel by the Guard), and of course, there are the hordes of killer robots.
 * Critical Existence Failure: Quite dramatically.
 * Design It Yourself Equipment
 * Escort Mission: who you have to escort from  underground fortress to the town, past many extremely deadly robots.
 * Fan Remake: Of Paradroid and, to some extent, Fallout.
 * Game Within a Game: Several. There is the Hacking mini-game, several betting games, a pseudo-NetHack game, and even a version of ProgressQuest (the shareware version).
 * Glass Cannon: 420 "Coward"
 * Gratuitous German: Engel sometimes uses some German words, and Geist uses only German.
 * Grey Goo: Doc mentions this when explaining why the best health potion uses short-lived nanobots instead of long-living ones.
 * Hive Queen: The is basically this, in that it has many component parts, but you only can talk to one of them. Somewhat inverted as it is a robot.
 * Hero Tracking Failure: 139's plasma bullets, which will hit you only if you stand still or run straight towards it. May also happen with you while wielding a plasma weapon.
 * Hollywood Hacking: It's Paradroid.
 * Human Aliens: Averted. The "Linarians" are penguins, one of which is the main character.
 * Karl Marx Hates Your Guts: Venders pay you 30% of what the item is worth, but charge at least 100%...
 * Kill It With Fire: "Plasma Discharge", as well as purchasable grenades.
 * Kill the Poor:
 * Last of His Kind: It's implied that the player character is the only alive Linarian.
 * Made of Explodium: The player character.
 * Marathon Level:
 * Mega Corp: MegaSys, which has logos on nearly everything.
 * Money Spider: Droids drop "circuits" which conveniently happen to be the currency used, as well as other items.
 * No Hero Discount: Well, you do seem to be their only customer. Even if you you are charged full price.
 * Obstructive Bureaucrat: The Red Guard are a Disturbingly extreme example of this.
 * Only Six Faces: Most of the characters look exactly the same. Averted by Ewald and Stone, justified by Red Guards and Dixon, because of constantly wearing uniform.
 * Overheating: Casting too much spells may end with this.
 * Plot Coupon: Used in many places, such as the which must be retrieved from an abandoned mine.
 * Ridiculously Human Robots: Averted; the only android you meet fools Tux for a while, but quickly blows up. All other robots, while looking vaguely humanoid, are quite obviously not in any way human.
 * Robo Speak: All droids deliver a Pre Ass Kicking One Liner before attacking, not from sound files but from an actual voice synth built into the game. Notable are "First Law Disabled", "Slice, Slice, Slice", and "Redmond, we have a problem".
 * Shout Out: Lots of them.
 * The main character is Tux, the Linux mascot.
 * The game contains a few references to Nethack. It even includes a quasi-NetHack game.
 * Richard, *nix admin living in town mentions Pandora, an open-source handheld, currently in development.
 * Some citizens are represented by guys in red hats, a Shout Out to Red Hat Linux.
 * Slept Through the Apocalypse
 * Socketed Equipment: You can use bits of your enemies to upgrade your equipment.
 * Sorting Algorithm of Evil: Somewhat literally; as in Paradroid, stronger robots have higher ID numbers. That is, if you see a 123 it's "free EXP time!", a 139 (which is the only low-level robot with a ranged weapon) it's "Oh no, kill it!", a 249 (which wields a machine gun) is "OMG KILL IT!!", and a 302 is "*splat*" (unless you hack it). You find higher-level droids as you venture farther from town.
 * 296 is a notable exception - despite being a 2xx type, it's harder to beat than some 4xx robots because of loads of HP AND powerful melee attacks.
 * Thriving Ghost Town: Very odd and extreme. The only town currently in the game has a population of about ten, but has enough space to hold maybe fifty. An NPC claims it contains a population around 250, and that there isn't any food. Huh.
 * Undefeatable Little Village: Lampshaded.
 * We Buy Anything: You can sell everything. Even guns, which are forbidden.
 * X Meets Y: Paradroid meets Fallout.