Exploration is a type of Technology in Virtual Villagers 2: The Lost Children.

Level 2

Enable the villagers to build The Cutting Tool and make The Stew.

Level 3

So far there's nothing new discovered when upgrading to Level 3. There's a probability that The Stew was originally planned to be unlocked after reaching this level.

Virtual Villagers 2: The Lost Children
Puzzles FireThe DamThe ScarecrowThe Cutting ToolHerb MasteryThe Elder TotemSustainable FishingThe Vine WallThe StewThe Ancient MosaicThe HospitalThe Sewing HutThe Gong of Wonder (SunkenCratedInlandOvergrown)
Technology FarmingEngineeringExplorationCultureMedicine
Etc CollectiblesElder TotemResearch BenchThe Gong of Wonder