Representing Germany, Karl Käfer is active in the Age of Empires II scene. The match count for Karl Käfer in Age of Empires II stands at 3. Most of Karl Käfer's games take place on the unranked ladder.

Ranked play is not on Karl Käfer's agenda—they have never queued for a ranked match. Karl Käfer's favorite civilization is Britons, picked in 66.7% of their games.