The following rules are based, in part, on those originally presented in Interface Magazine volume 1, issue 1. The rules presented here pretty bare-bones and to the point, but we've done a little bit of playtesting and they seem to work fine. As with just about any rules modification, these can be heavily abused by both players and GMs. Please use your good brains when implementing these rules, and accept the availability codes as gospel. I will be in no way held responsible for players who build uber hunds with Body scores of 16 and externally-mounted Hellfire missiles. You have been warned.
Instructions for use:
Choose a model type and frame composition for your hound. Add the two costs together, and then choose the size of the hound in question. The base cost is modified depending on the size of the hound. All further modification costs are added to this "final" price. In the case of multipliers, round to the nearest whole number. Next, buy options. The "spaces" used in robohounds are in no way compatible with the spaces used in Maximum Metal. If symptoms persist for more than two weeks, please seek out the advice of a qualified street physician.
| Model Type | Bod | Ref | MA | Armor | Avail | Cost |
| Basic | 5 | 5 | 12 | 5 SP | E | 1000 |
| Security | 7 | 7 | 16 | 10 SP | C | 2000 |
| Police | 9 | 9 | 20 | 15 SP | P | 4000 |
| Military | 11 | 11 | 24 | 20 SP | R | 8000 |
| Frame Composition | Notice | Base SDP | Wt. Mod | Cost |
| Metal | +3 | 10 | x1.25 | 500 eb |
| Ceramet | +1 | 15 | x1 | 1000 eb |
| Triplastic | 1 | 20 | x.5 | 2000 eb |
| Frame Size | Bod | Ref | MA | Spaces | Max. Spaces | SDP | Guns | Wt. | Cost |
| Small | 4 | +4 | x.5 | ½ | 1 | x.5 | P | 30 | x.5 |
| Medium | 2 | +2 | x.75 | 1 | 1½ | x.75 | J | 70 | x.75 |
| Large | +0 | +0 | x1 | 1 | 2 | x1 | L | 150 | x1 |
| V. Large | +2 | 2 | x1.25 | 2 | 4 | x1.5 | N | 220 | x1.5 |
| Concealability Rating | Spaces |
| ¼ | |
| Jacket | ½ |
| Long Coat | 1 |
| Not Concealable | 1½ or more |
| Program | Description | Cost/Level | Max Level |
| Attack | Use of "natural" weapons and brawling. | 200eb | +4 |
| Breed Behavior | Behavior typical to a given breed. | 100eb | N/A |
| Companion | Necessary for dogs used by people with disabilities. | 150eb | N/A |
| Dog Behavior | Standard dog behavior: sit, fetch, stay, come, etc. | Included | N/A |
| Firearms | Handgun, Rifle, or Submachinegun skills (specify). | 300eb | +4 |
| Heavy Weapons | Programming for use of Heavy Weapons. | 400eb | +4 |
| Hunt Behavior | Shadow/Track, Stealth. | 175eb | +4 |
| Misc. Skills | Depends on skill, use list & pricing CP2020 pg 83. | Varies | +4 |
| Movement | Athletics and Swimming skills | 150eb | +4 |
| Pack Mind | Group tactics, increases pack effectiveness. | 250eb | N/A |
| Patrol Behavior | Awareness/Notice, knowledge of patrol area. | 125eb | +4 |
| P.I.P. | Pseudo-Intellect Programming. | 3000eb | N/A |
| Rescue Behavior | Search and rescue programming. | 200eb | +4 |
| Body: 1 | Reflex: 9 |
| Intelligence: 3 | MA: 6 |
| SP: 5 | SDP: 5 |
| Total Spaces: ½ | Weight: 37.5 pounds |
| Body: 5 | Reflex: 9 |
| Intelligence: 3 | MA: 16 |
| SP: 10 | SDP: 16 |
| Total Spaces: 1 | Weight: 70 pounds |
| Body: 5 | Reflex: 9 |
| Intelligence: 6 | MA: 12 |
| SP: 10 | SDP: 11 |
| Total Spaces: 1.5 | Weight: 70 pounds |
| Body: 11 | Reflex: 11 |
| Intelligence: 9 | MA: 24 |
| SP: 20 | SDP: 25 |
| Total Spaces: 2 | Weight: 75 pounds |