From StrategyWiki, the video game walkthrough and strategy guide wiki
I have heard several people say there is no replay value in this game, well there is, so here's a list of things to do if you're bored.
- Try clearing the game in all 3 difficulties.
- Try clearing every level with a gold - in all 3 difficulties!
- Try to get all the medals.
- See how high you can get your accuracy overall the levels.
- See how far you can get using only a pistol (or rifle in D-Day)
- See how quick you can clear the game.
- See how many levels you can clear without getting an extra health item (Field Surgeon Pack, Medical Kit, Medical Canteen)
- See how far you can get by only whacking people with your gun!
- See how far you can get without shooting or killing any enemies!
- Try to finish all levels without an Ally dying
- Take out all tanks without Machine gun
- Flush all the toilets
- Have a group of enemies play "Chasey" with you throughout the level
- Beat the level in the fastest possible time
- Get 100% Accuracy
- Get only head shots and severely beat all Civilians!