To switch the language
Collect 100 pieces of meat
Find a sandwich
Undergo training
Pass 1 location
Pass 2 location
Pass 3 location
Find 1 mask
Find 2 mask
Find 3 mask
Find 4 mask
Kill 10 enemies with Molotov cocktail
Kill 20 enemies with a knife
Kill 30 enemies with your rifle
Crush 100 enemies