Observed arrival · 2026-10-31
Specimen IX Turns Sudoku Into an Alien Retrieval Run
A playable, evolving Sudoku game sends you through shifting grids, time pressure, hazards, and planetary detours to bring an alien specimen home.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Sudoku players who like timed arcade pressure
- Worth noticing
- Finishing each 3×3 box docks a box from the next grid; three docked boxes trigger a warp.
Field notes
The tutorial lays out a chain of play systems rather than just a Sudoku variant: streaks raise a multiplier, correct answers buy back time, and mistakes cost five seconds. Planetfall pauses the meteor hazard while players fill specified numbers and dig up crystals; recovered crystals can reveal hard numbers, while blue-diamond cells uncover pieces of a story. Settings also list reduced motion and a colour-blind palette.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue