Players
“Gorgeous Unreal‑powered realms, ingenious chaining, plus the road to ad‑free bliss — a rare serene puzzle gem.”
— App Store review · United States · iPhone
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A relaxing 3D number puzzle game — 100% ad-free
Chain numbers. Explore 3D worlds.
A brain-teasing number puzzle set in breathtaking Unreal Engine 5 worlds — from the depths of Atlantis to the dawn of the Cretaceous. 200+ handcrafted levels. No ads. No pay walls. No rush.
100% Ad‑FreeBuilt in UE5200+ handcrafted puzzlesNo pay‑to‑win pressure
Worlds
Journey Through The Cosmos — discover realms from underwater ruins to floating monuments.
Three worlds. Hundreds of puzzles. One quiet adventure.
Begin beneath the waves of Atlantis. Cross prehistoric horizons in the Cretaceous. Soon — ascend the Celtic cliffs glimpsed along the roadmap.
How to Play
Official-style board preview: connect 2 or 3 orthogonally adjacent cubes in the fixed 3×3 grid and reach the target with drag‑or‑tap chaining.
How to Play
Build chains that sum to 13
Each board is generated with a guaranteed solve. Chain 2 or 3 orthogonally adjacent cubes to strike the goal.
Target
13
Current sum
0
Chain length
0/3
Chain slots
Start your chain
Tap or drag to start your chain.
Tap or drag to begin.
Mouse and touch dragging are supported. Releasing validates; tap chaining follows the same adjacency rules.
Stunning 3D puzzle worlds built in Unreal Engine 5
Explore each biome as its own cinematic beat, then zoom in on UE5‑powered gameplay and concept moments.
Moments & art direction
Curated grabs from UE5 gameplay and milestones
Below, a collage of transitions, motifs, and details you will actually brush against in‑game.
See the relaxing number puzzle in action
A quiet world wakes under ancient skies. Follow Thalia through radiant ruins and primal vistas — puzzles where each link feels destined.
Prefer YouTube? Watch it here.
What press and players say about this brain-teasing puzzle game
Highlighted by outlets and players alike — see why NumWorlds stands out among mobile puzzle games.
Pocket Gamer
“NumWorlds ditched ads completely… while teasing a third biome… 200+ levels and counting.”
Read the full coverage
iPhoneSoft
“Fully clean pacing without interruptions… 200+ levels and a third biome on the roadmap.”
Read the full coverage
100% Free. Completely Ad‑Free.
NumWorlds is player-first — a relaxing brain-teaser with no pop-up walls, no pay-to-win, and no ads. A cinematic 3D number puzzle you play at your own pace.
100% Ad‑Free
No intrusive ads — only flow, ambience, discovery.
Unreal Engine 5 visuals
Cinematic lighting and crafted biomes worthy of headphone sessions.
200+ Levels
Broad curve, escalating mechanics, and surprises as you ascend.
New biome queued
Celtic cliffs are en route — expect fresh folklore beats and tactile puzzle twists.
Official stores
100% Ad‑FreeBuilt in UE5200+ handcrafted puzzlesNo pay‑to‑win pressure