Play as Lucy - Successfully complete the game, and save when prompted. Start a new game session with your cleared saved game to play as Lucy.

Satisfying hunger - The Sweetfish recipe reduces hunger by a large amount. Making a lunch usually works better than making a dinner.

Hunting - Most prey can be hunted by slowly walking up to it with a spear. Get as close as desired, then use the spear or knife to kill it.

Glowing "???" item locations - Search the indicated location at night to find the corresponding hidden item:

??? Lure: Bamboo Grove; top of the hill at cliff, listen for a bird singing. This is the best fishing lure.
Beach Ball: Northern Cape; at the 180 degree turning point on the way down on the cliff face.
Red Medicine: Western Beach; at the slope down to the beach on a cliff face. Gives +20 to Water, Energy, and Food.
Stone Tablet 1: Cave; first jutting out rock near the vines.
Stone Tablet 2: Old Field; Next to the bamboo trees on the cliff face.
Stone Tablet 3: Town Ruins; at the corner farthest from the stairs in the house where you get the radio near the top.
Yellow Medicine: Jungle that Fiona lights on fire; outside the cave on the left side on the cliff. This gives +50 Health.

Mushroom effects - Note: You can eat mushrooms before going to sleep to avoid any bad effects.

Green mushrooms: Harmless
Brown mushrooms: Cannot go to sleep; does not affect your stamina
Black mushrooms: Creates deadly poison that can kill most animals in single hit

Medicine recipes - Successfully combine the following ingredients to create the corresponding medicine:

Antidote: Arnoglossa + Green Herb + Red Mushroom + Glass Bottle (empty)
Wonder Medicine: Black Mushroom + Blue Mushroom + Yellow Herb + Glass Bottle (empty)
Cold Medicine: White Mushroom + Brown Mushroom + Brown Herb + Glass Bottle (empty)

Meal recipes - Combine the following ingredients with the indicated cooking technique to create the corresponding meal:

Prepare

Fruit Plate: Guava + Passion Fruit + Banana + Papaya + Yellow Seeds (heals 75 points)
2 Burdock + Chili
Carrot + Chives + Yellow Seeds
Carrot + Daikon Radish + Chives + Rock Salt
Mushroom + Mugwort + Fern + Herbs
Potato + Carrot + Yellow Seeds
2 Seaweed + Yellow Seeds

Boil

Meatball Soup: Water + Eggs + Meat + Chili
Bird Meat + Carrot + Onion + Water + Salt
Boar Meat + Bamboo Shoot + Burdock + Water + Chili
Carrot + Potato + Chives + Water + Yellow Seeds
Freshwater Fish + Bird Meat + Mushroom + Water + Chili
Salmon + Carrot + Daikon Radish + Water + Salt

Deep Fry

French Fries: 2 Potatoes + 1 Rock Salt

Pan Fry

Blue Mushroom + Bamboo Shoot + Herbs

Roast

Grilled Clam: 2 Clam + Rock Salt
Sweetfish Roast: 2 Sweetfish + Rock Salt
Bird Meat + Onion + Chili
Salmon + Seaweed + Rock Salt

Steam

Potato + Taro + Water Bottle + Rocksalt
Salt Water Fish + Shellfish + Seaweed + Water Bottle + Herbs