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  • Chapter 0: Mecha d20 System Reference Document v1.0 A d20 System Licensed Product.

    This publication is designated as Open Game Content and is licensed for public use under the terms of the Open Game License v1.0a.

    Chapter 0: Mecha d20 System Reference Document v1.0..........................................................1 Chapter 1: Introduction .......................................2

    Mecha Pilot Character Class ................................2 Hit Dice and Ability Scores................................2 Class Features...................................................3

    Mecha Commander Character Class...................4 Requirements....................................................4 Hit Dice and Ability Scores................................4 Class Features...................................................4

    Skills and Mecha...................................................5 Feats and Mecha ..................................................6

    Mecha Feats......................................................6 Chapter 2: Mecha Design ...................................9

    Metric and Imperial Systems............................9 What is a Mecha? .............................................9 Science vs. Magic, Reality vs. Fantasy ............9

    Mecha Points ........................................................9 Starting Mecha Points ......................................9

    Mecha Stat Block................................................10 Designing a Mecha and its Mecha Point Cost ..11

    Concept............................................................11 Mecha Point Equivalence ...............................12

    Design Checklist .................................................13 Step 1: Choose Mecha Type...........................13 Step 2: Choose Size ........................................14 Step 3: Choose Hit Points (HP).......................14 Step 4: Choose Occupants and Cargo...........15 Step 5: Choose Armour...................................15 Step 6: Choose Defence (Optional) ...............16 Step 7: Choose Strength.................................16 Step 8: Choose Speed ....................................17 Step 9: Choose Handling ................................21 Step 10: Choose Special Abilities ..................22

    Step 11: Choose Exotic Abilities ....................29 Step 12: Choose Defects................................33 Step 13: Design Weapons..............................36

    Chapter 3: Mecha Combat................................48 Running Big Battles ........................................48

    Basic Concepts....................................................48 Characters in Mecha.......................................49

    Getting Started....................................................50 Scale ................................................................50 Mecha Sizes ....................................................50 Facing and Firing Arcs.....................................50

    Initiative ...............................................................51 Surprise and Situational Awareness .................51

    Spot Checks.....................................................51 Spotting Underwater .......................................51 Spotting in Space ............................................51

    Movement and Action.........................................51 Options for Pilots.............................................51

    Moving the Mecha ..............................................53 Simple Manoeuvres ........................................53 Stunts...............................................................54 Collisions and Ramming .................................56 Losing Control..................................................57 Other Mecha Movement Activities.................58

    Fighting from Mecha...........................................59 Mecha Combat Actions...................................59 Targeting Mecha .............................................59 Cover and Concealment .................................60 Damaging Mecha ............................................60 Disabled Mecha ..............................................61 Destroying Mecha ...........................................62 Repairing Mecha .............................................62 Wrecking Buildings..........................................62

    Open Gaming Licence.........................................64

    1 D20 Mecha System Reference Document

  • Chapter 1: Introduction "Mecha" is the term used by Japanese animators and fans to refer to the mechanical designs that appear in Japanese animation, or anime. A mecha can be a giant robot, a suit of powered armour, or a vehicle of some other sort, such as a spaceship, tank, submarine, or motorcycle.

    Mecha d20 provides a means of describing all manner of mecha in game terms, and offers simple, playable systems for using them in adventures. Although its primary focus is on anime-style giant robots and powered armour, Mecha d20 can be used to create everything from sports cars to sky galleons.

    Mecha Pilot Character Class The character is a military Mecha Pilot in a modern military or paramilitary force. He or she might be a member of the armed forces, a SWAT team, or even a freelance mercenary, and could operate a giant robot, jet fighter, helicopter, or tank ... or a machine that transforms into each. Most Mecha Pilots consider themselves elite compared to infantry soldiers, patrol cops, or other "ground pounders."

    Adventures Mecha Pilots may fight for glory, honour, or even loot, but most are reluctant warriors, battling because they feel they have no choice. The enemy is coming, and they are all that can protect their loved ones, their comrades, their country, or their world. Sometimes that war has already been lost ... and now they seek revenge.

    Characteristics Some Mecha Pilots are chivalrous, hot blooded, and confident, but most know war is not a game, whether the foe are criminal gangs, terrorists, or the armed forces of rival powers. They may ponder over whether to climb into the cockpit again or even consider deserting but when they actually get on the battlefield, they fight to win, using their superior firepower to reap lesser adversaries like wheat before a scythe as they smash their way toward their opposite numbers. The most famous Mecha Pilots like fighter aces of the past are renowned for situational awareness, the always

    preternatural "sixth sense" of keeping track of everything in the confusion of battle that lets them fight many foes at once.

    Background Some mecha are operated by steely-eyed professionals who graduated from a military academy, others by scarred veterans of a hundred battles, and a great many by angst-ridden 14-year-olds who've barely read the manual. In short, a Mecha Pilot can come from any class, race, or background.

    Other Classes The ranks of Mecha Pilots also include many characters of other classes. In particular, many groups will include Fighters, both as ordinary soldiers and as Mecha Pilots, and Bards are also surprisingly common, often in their modern-day incarnation as idol singers. Classes from Anime d20 that work especially well in a mecha campaign include Sentai Members (often a team of heroes will each have their own mecha, which can combine into one giant machine), Gun Bunnies (who sometimes acquire powered armour mecha suits for heavy-duty combat), Students (who tend to find themselves piloting mecha even if they aren't ready for the job), and, of course, Giant Robots (if one or more of mecha themselves are intelligent). Adventurers, rather than Mecha Pilots, can be a good all-around class to represent the other crew members in a starship or similar large vessel. Most importantly, Mecha Pilots tend to associate with Tech Geniuses, the engineers and inventors who build, maintain, and modify the mecha.

    Hit Dice and Ability Scores The Mecha Pilot uses d8 Hit Dice.

    Class Skills The Mecha Pilot's Anime d20 class Skills are Computer Use (Int), Demolitions (Int), Drive (Dex or Int), Knowledge (Electronics, Law, Mechanics, Military Sciences, Police Sciences, Strategy) (Int), Navigate (Int), Pilot (Dex or Int), Repair (Dex), and Spot (Wis).

    Skill Points at 1st Level: (4 + Int Modifier) x 4

    2 D20 Mecha System Reference Document

  • Skill Points at Each Additional Level: 4 + Int modifier

    Class Features All of the following are class features of the Mecha Pilot:

    Mecha Pilot Feat Package The Mecha Pilot gains these Bonus Feats at 1st Level: Mecha Weapon Proficiency [one type], Personal Firearms Proficiency, and [Mecha] Operation.

    Personal Gear A 1st Level Mecha Pilot possesses a basic set of equipment. Typically, this is a flight suit or space suit and a sidearm.

    Mecha At 1st Level, the character receives an appropriate mecha constructed from 400 Mecha Points. Every 4 Levels, the Mecha Pilot either makes significant upgrades to his or her mecha, or receives a more powerful replacement mecha; the Mecha Point total increases by 400 Points for each upgrade. This should be justified by in-game events. It could represent his or her organisation providing a better prototype machine, or new parts. If the mecha is magically bonded to the pilot, it may represent it

    growing in power as he or she grows in heroic stature. It is up to the GM whether or not to let the

    new or upgraded mecha be designed by the player.

    Heightened Awareness At Level 2, the character gains a +2 bonus to any awareness (Spot, Listen, etc.) checks that he or she makes. This bonus increases to +4 at 11th Level.

    Aura of Command The Mecha Pilot possesses a natural knack for leadership that grows as his or