Little Alchemy 2 is an engaging online crafting game that invites players to combine basic elements to discover a wide array of new items. Starting with the foundational elements of earth, water, air, and fire, players can experiment and unlock a multitude of creations. The game features two types of items: basic items available from the start and unlockable items that can be accessed by reaching specific milestones or through item combinations.

Gameplay involves using the mouse to click, drag, and drop elements on top of each other, producing new objects that appear on the screen. Players can track their progress in the encyclopedia, which catalogs all crafted items and their combinations. Additionally, a clean-up button helps manage the game board's clutter, while a hints feature provides guidance on potential item combinations, enhancing the overall experience.