01 / 08
Sudoku
The familiar 9 × 9 ritual, tuned for a native screen and a clean return to the grid.
Next: Sumweave
Internal TestFlight · 1.1 (21) · iPhone only
Eight games.One vivid little universe.
Cortex brings wordplay, number puzzles, falling blocks and pixel logic into one native iPhone hub. Game Center is optional. A Cortex account and Nintek backend are not part of the experience.
- Platform
- iPhone
- Games
- 8 native
- Apple play
- Game Center · optional
Actual Cortex home
Pick a word. Follow a number. Clear a line.Every tile opens somewhere different.
02 / 08
Sumweave
Trace arithmetic paths and make every total resolve across one woven board.
Next: Word Search
03 / 08
Word Search
A bright field of letters, a quiet list of targets, and the satisfaction of finding the last one.
Next: Letter Sprint
04 / 08
Letter Sprint
Build words at speed and keep the chain moving while the board asks for one more.
Next: Wordfoundry
05 / 08
Wordfoundry
Turn a compact set of letters over and over until every possible word has taken shape.
Next: Grid Blast
06 / 08
Grid Blast
Place blocks, open space and keep the board breathing one careful move at a time.
Next: Pixel Flow
07 / 08
Pixel Flow
Route color through compact pixel puzzles where every move changes the picture.
Next: Neon Drop
08 / 08
Neon Drop
Drop, rotate and clear inside a neon playfield built for the rhythm of one more run.
Back to Sudoku
The arcade ends at the edge of your device.
Cortex is native on iPhone, keeps detailed play data locally, and integrates with optional Apple Game Center. Sudoku statistics can use Apple’s private iCloud key-value storage, but there is no Cortex account, Nintek API, analytics service, or first-party sync backend.
- Platform
- iPhone
- Minimum version
- iOS 18
- Apple services
- iCloud KVS + optional Game Center
- Bundle
com.nintek.cortex- Nintek backend
- None
Eight ways into the zone.
Build 21 is VALID, attached, and available only through internal TestFlight. External beta and App Store availability are not public, and no App Review submission or customer price is claimed.
See Cortex in the iOS collection