A cozy number puzzle set in a tiny terrarium. Place number eggs into the nests, make each nest's total match its target exactly, and watch the eggs hatch into curious little Sumlings — collect them all as your terrarium fills with life.
Key art
The Terrarium
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Your world is a small glass terrarium dotted with nests. Numbered eggs wait to be placed, each nest shows the total it's hoping for, and every puzzle you solve hatches a new Sumling — a gentle, wondrous creature of numbers — into your growing collection.
How to Play
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Place, add, hatch. Read each nest's target, drop in the right number eggs, and make the sums line up — no timer, no rush, just a quiet little puzzle.
Each nest shows a target total it wants to reach.
Drag number eggs from your tray into the nests.
Make every nest's total match its target exactly — no more, no less.
Solve the board and the eggs hatch into Sumlings for your collection.
Highlights
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Cozy, timer-free number puzzles — think at your own pace
Place number eggs and balance each nest's total to its target
Hatch a whole collection of cute Sumlings, one puzzle at a time
A long, gentle difficulty curve across many handcrafted levels
One-handed play, 12 languages, plays offline once installed