PARITY SHIFT
You stamp a glowing cross onto a dark parity field. Every stamp flips the center tile and its neighbors. Match the mint ghost pattern before the stamp budget dies.
The twist
Not a maze. Not a beam. Lights-out with a budget. Order does not matter — parity does. Edge stamps clip. Targets can be all-void, all-mint, frames, checkers, or crosses. Read the ghost. Spend stamps like currency.
Minimal. Thinky. Readable in one glance, sticky for twenty more.
What's in the demo
Eight levels: tutorial through early cabinet (FIRST STAMP CHECKER LOCK). After the last demo level the cabinet says: that's the free fold — full game 24 levels, $4.99 on itch.io.
What's in the $4.99 build
All 24 handcrafted levels. Larger 5×5 fields, pattern ghosts, tighter budgets, dense parity storms, and a final all-odd lock. Level select with lock/unlock. Settings: mute SFX, reduced motion. Instant reset and undo. Keyboard and touch (safe-area aware). Progress saved locally.
Controls
Tap/click a tile to stamp a cross. Z undo. R reset. Esc menu. Phone: on-screen Undo / Reset.
No generative-AI assets. Code, levels, and procedural audio were authored for this game.
Contact
itch.io page comments, or the email on the itch account.
| Updated | 2 days ago |
| Published | 5 days ago |
| Status | Released |
| Platforms | HTML5 |
| Author | Shellsharker |
| Genre | Puzzle |
| Tags | 2D, keyboard, Minimalist, Singleplayer, thinky |
| Content | No generative AI was used |
Purchase
In order to download this game you must purchase it at or above the minimum price of $4.99 USD. You will get access to the following files:
Development log
- Parity Shift is out5 days ago





Leave a comment
Log in with itch.io to leave a comment.