You have to press space bar to select (or do anything in-game).
You're not missing anything though. It's like the original Wolfenstein only way less fun. The "head bob" will make most everyone nauseous after a while. That is why later games had the option to turn it off.
You're not missing anything though. It's like the original Wolfenstein only way less fun. The "head bob" will make most everyone nauseous after a while. That is why later games had the option to turn it off.