Most FF games. I played FFXII 2 times with each over 100h.
Infamous 1/2
Oblivion
Warlord's Battlecry 2
Motorstorm Pacific RIft
Valkyria Chronicles
Most ACs except AC3
Gothic 3. At least 4 times with each over 100h.
And everything without online.
If you demand respect or gratitude for your volunteer work, you're doing volunteering wrong.