Surprisingly to myself, I’m also using the same system as you. Currently I’m playing Skyrim as a story/ambiance game and Doom 2 (community maps/mapsets, which are releasing every day) as forever playable game. I have time to play more, but I somehow settled on this as I find it very comfortable and enjoyable. Before current Skyrim playthrough I played Steins;Gate and before than original Silent Hill 1 and so on. As infinite games I also sometimes play Quake (community maps/mapsets) and modded Minecraft.