Would a 20inch monitor be good for simple gaming? Skyrim, Minecraft etc?

Would a 20inch monitor be good for simple gaming? Skyrim, Minecraft etc? - 1
Added (1). So im building my girlfriend a gaming pc, im just wondering if a 20inch monitor would be good for her? She would only be playing simple games, such as Minecraft, Skyrim and other small simple games.

Read more: Would a 20inch monitor be good for simple gaming? Skyrim, Minecraft etc?