Allied spies are involved in later missions to support you. Don't be too quick shooting them, they might be able to help you.

Low on ammo? Bored with your combat knife? Use your stamina and kick some ass — kick it like Müller!

Visit Prof. Klaus Gutenberg in the laboratories at HQ. He might have some goodies for you, and perhaps even a special operation...

Always carry a mine detector with you — it's often essential! You may buy one from Lt. Laz Rojas at the armory.

Some objects require a specific piece before they can be used. If you collected the necessary quest item, hold use for interaction.

The environments and locales feature many interactive items. A orange arrow indicates a thing you can use or interact with.

Some missions feature stealth gameplay where you have to sneak around. Keep an eye on the visibility indicator on your HUD!

Collect money by finding treasure during missions. See Lt. Laz Rojas at the armory, where you can spend all that hard-earned cash!

The Nazis have locked and hidden away many chests filled with loot. Find them — just make sure to bring a key!

Talk to the characters at headquarters; some of them have useful information and tips for you.

Feeling overwhelmed by the controls and features? The training course at HQ will help you learn the mechanics.

The Wehrmacht may be oblivious, but the Gestapo are not! Stay away from them when you are disguised, or they blow your cover.

Easily inflammable and high-explosive objects are scattered around. They are dangerous - use them to your advantage.

Health bars indicate stronger enemies —- normal ones are grey, unique ones are gold, end bosses are red.

German infantry are not only smarter, but also more agile. They can dodge some of your attacks and take cover.

Allied High Command evaluates your success or failure accurately. Check the mission summary for your details in the briefing room.

The Reich has sent medical units to the battlefield, who are able to revive dead soldiers. Make sure to kill them first!

The krauts have hidden equipment in some barrels — and explosive gunpowder in others! Sometimes you win, sometimes you lose.

Occasionally you will find text papers with valuable information. They are not necessary to beat the game, but are story-relevant.