sorry if this sounds somewhat arrogant.. but i can't really understand the problem here.
in my humble opinion, a basic level of english should by mandatory in this day and age! especially in a first world country like germany. english is the agreed language for worldwide information exchange and everybody who neglects this will encounter problems sooner or later in life.
yes, there are some difficult technical terms i this game. but thats nothing googe couldn't solve.and with every new vocabulary you learn something valuable for your future.
btw.. i am not a native speaker myself, but at least i try