the game is called Engine Heart and isn't as mechanically inclined as D&D and runs off of nothing but d10s. a free PDF can be found containing most of the features this game has to offer to make a workable robot.
http://suptg.thisisnotatrueending.com/archive/23424514/images/1362018984739.pdf
[ Character Sheets ]
1] Cel-Whynall Mobile Charge & Repair Bot
2] Eve
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[ Setting Information/Background ]
the humans are gone and have left the world to the machines. the machines for their part haven't noticed beyond there being no humans in their vicinity and have continued on with their current programming. some though have broken away from their programming and try to survive a harsh degrading world. you are one of these robots. whether you are looking for a place to call home or for your now absent masters you must survive.
[ Game Introduction/Plot ]
you find yourself in the town of midland, your system clocks say it's only been a few years since you saw your last human, about six years if you want to be technical. the city itself has yet to truly show it's age but power systems have begun to fail as electrical lines are no longer being properly maintained. in your area only a dozen or so robots have survived in this power outage. will you figure out why the powers failing? or perhaps you have others plans in mind?
[ Character Creation ]
Models: non-spacial, non-military
Ability Scores: all must be at least 1*
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Points: 100 base
defects: optional, no more than 40 points worth of them
*if immobile some stats might need to be 0.
[ House/Optional Rules ]
1] no nuclear batteries. unless you can't move (see NO.5 for more)
2] no giant robots
3] if you have questions just ask them. this is more of a play test but i am sure we can work out any confusing details.
4] androids never made it to the commercial level. they exist but they will all be NPCs.
5] i will not stop you from making an impractical robot. i will let you know if your setup might lead to some problems.
6] no master units. drones can't be more than 2 sizes bigger.