A group I joined lost there GM by ghosting. I have agreed to round robin GM till they have find a permanent GM [free]. The system used is DnD 3.5 with 3pp such as mongoose and others. There is no day and time set for game so need a GM somewhat open. Now I will warn you this group likes to power game. But will also do story development and role play. Though they are willing to negotiate how much power gaming is allowed to get a permanent GM [free]. Here is a tier system they designed please let me know what level you are comfy with. Tier 1: solid optimization, picking race, skills, feats, equipment that matches your class or classes, basic multiclassing/prestige classing for increased effectiveness. Tier 2: Race optimization with either a template or feat/class synergy, useful min-maxing without leaving glaring weaknesses, selecting specialized gear, skill tricks, using multiclass combos and racial abilities for optimization, and some RAW to increase effectiveness/action economy. Using spell/ability combos to maximize effectiveness to the limits of the game’s intent.  Tier 3: using possibly multiple templates, exercising RAW usage to achieve beyond min-maxing, earning high optimization without leaving weaknesses, using race, feat, and class optimization to the full extent and pushing the limits of the system in general. Highly optimized gear, increased defenses/immunities, and tactical multiclassing and prestiging. Using spell or ability combos to increased effect beyond game’s original intent.  Tier 4: “Beyond powergaming” using RAW to break the limits of the system, template-stacking combos, class and race combos that shouldn’t be possible at all using RAW, high optimization in many areas with no weaknesses, multiple immunities, tactical selection of every mechanical character aspect, using multiple spell/ability combos for maximum possible effectiveness. Keep in mind (in case GM has concerns) that these tiers refer to mechanical effectiveness and have no bearing on character development, personality, role-playing, etc. These are just there as tiers to represent mechanical usage of the game. So if you feel you can fill the roll please reply here or mail me tyvm have a good safe day