woah, this is an old thread, but wth I'mma put something in here ;D
technically i'm not the one 'necroposting', because the person above me did it XD
Well, since lag is the problem with my current PC. I say Terraria.
It's programmed in .NET, which should be improved to Windows machines... i think.
and the vanilla game content has much more compared to MC's vanilla content.
Sure, MC seems to be more famous with mods, but as mods come, they carry bugs too.
and vanilla MC doesn't have crafting guide ;D