The creator of Subsistence is ColdGames
Interactions:

random resources can be found on the ground and give 1 piece of that resource


Ammo Crates can give you gunpowder, shotgun ammo, rifle ammo and 9mm ammo.

Health crates can give you bandages,splints,biofuel and food

Normal crates can give you resources, food and medical resources

A medicinal plant gives you medicinal leaves used for health packs and adrenaline boosts

Copper ore gives you copper
Trees

Large trees can give you 6 pieces of wood

Small trees gives you 2 pieces of wood

Medium-Large trees can give you 5 pieces of wood

Medium trees can give you 4 pieces of wood

Medium-Small trees can give you 3 pieces of wood
TIP:
If you can't find any crates you can save and exit the game and new crates will respawn