well it depends where you are because after you beat the virus in the beginning u get a card from glare for a farm island after you ccan get tools for ur farm and theres keychain tiny fields for food and alot more stuff Hope IT HELPS!!!!!
The strongest digimon, and the hardest to get is ChronomonHM! It has no weakness. ChronomonHM - Valdurmon + Susanoomon (Lv83+, Friendship 100%, Must have befriended Chiccimon) Valdurmon - Sinduramon...
you get digimon the same way you do in digimon world ds you keep finding a digimon until you get 100 percent scan data and than go to your digilab system and choose digiconvert and select the digimon...
after you get digimon at the start you go through the tutorial and find the portal to go to chip forest etc and battle the same kind of digimon (you can just flee) enough (until 100% scan data) and...