How to play

Slide the board in any direction. When two identical birds meet, they merge into a rarer species and your score increases.

On a phone, swipe to move the tiles.

On a keyboard, use the arrow keys.
⬅️ ⬆️ ⬇️ ➡️

Keep merging birds to climb the species ladder and reach the kingfisher. Each step takes you from common birds to ones that need healthier habitats.