Plus2 — Number Puzzle
A puzzle game where you slide numbers around and merge matching ones. Carry-over and vanishing rules are added on top, so it stays simple while still giving you something to think about.
GameFreeNo sign-upWorks on phonesSaved in your browser
The interface is in Japanese.
Work last updated:
Menus and in-game text are in Japanese.
What it is for
A puzzle for moving numbers around and taking your time over the next move.
Terms of use
- It is free to play at the moment. No sign-up and no installation are required.
- You can play with the keyboard on a PC, and with swipes on a phone.
How to play
- PC: slide with the arrow keys (or W / A / S / D)
- Phone: swipe up, down, left or right
- Matching numbers merge when they collide. When you can no longer move, the game is over.
Merge rules
| Type | Example |
|---|---|
| ① Normal merge | 1 + 1 = 2 / 3 + 3 = 6 |
| ② Carry-over | 5 + 5 → 1, 0 / 6 + 6 → 1, 2 |
| ③ Vanishing | 0 + 0 → disappears |
Features
- Your best score is saved in the browser (and carried over next time)
- No install, no sign-up — playable right away
How data is handled
Only your best score is saved, in storage inside your browser. There is no mechanism that sends the game's data anywhere. What is browser storage?
Honest caveats
If you delete the site data in your browser, your best score is deleted too.
- There is no feature inside the game for deleting only the best score, and no backup feature.
Update history
- Released.
Related posts (in Japanese)
Who made this
A personally developed game that 麗 (urara) builds in conversation with AI.