TERS - Lights Out Puzzle

IYY DESIGN

In-app purchases

About this game

TERS is a clean, addictive take on the classic "Lights Out" puzzle.

Tap a tile — it and its 4 neighbors flip colors.
Black becomes white. White becomes black.
One goal: make every tile white.

— HOW TO PLAY —
- Tap any tile
- That tile and its top, bottom, left, right neighbors flip
- Clear the board to complete the level
- Fewer moves = better score

— FEATURES —
- Growing grid: 3×3 → 4×4 → 5×5 → 6×6
Early levels are small and forgiving.
As you progress, the grid grows and
the challenge deepens.

- Minimum move counter
Every puzzle shows the mathematical minimum —
how few moves it can be solved in.
Chase perfection.

- Daily puzzle
A new puzzle every day — same board for everyone.
Share your result with friends.

- Endless levels
Never runs out. Always worth one more.

- Perfect clear badge ★
Solve in minimum moves to earn the star.

- Haptic & sound feedback
Subtle, satisfying responses to every tap.

- TERS PRO
Unlimited solutions + daily archive + ad-free experience.

- No forced ads — ads appear only when YOU choose
(rewarded video for an extra solution). PRO removes them entirely.
- Zero permissions. No personal data collected.

— WHO IS IT FOR —
Puzzle lovers. Minimalism fans.
Anyone who wants to spend 5 minutes thinking.

TERS is just black, white, and your next move.

What’s new

First release 🟧 — welcome to the darkroom.