Synaptic Grid
Follow the rhythm and repeat the light patterns.
How to Play Synaptic Grid
- Watch the sequence of lit tiles.
- Repeat the sequence by tapping the tiles in the same order.
- Each successful round adds one more step.
Controls
| Keyboard | Not required |
|---|---|
| Touch | Tap the tiles in the order they lit up |
Tips
- Say the pattern out loud — audio memory holds longer sequences than visual memory.
About Synaptic Grid
Watch the grid light up, then repeat the sequence in order. Each round adds a step in this musical memory challenge that tests focus and timing. It runs directly in your browser with no download or sign-up, on desktop and mobile alike.
Design notes: how Synaptic Grid was built
The grid grows exactly once, from 2×2 to 3×3 at round five, and never again. A continuous scaling formula was the obvious design and it is worse: the difficulty in a sequence game comes from sequence length, and changing the board underneath the player at the same time makes each round feel like a different game rather than a longer one.
Each tile carries a fixed pitch from a six-note set — C4, E4, G4, C5, A4, F4 — synthesised with an oscillator and a gain envelope rather than played from a file. There are more tiles than notes on the larger board, so pitches repeat, which means the melody stops being a complete second channel for the answer at exactly the point the game gets hard. That is the intended shape.
It is built from DOM elements and listens for pointerdown, which unifies mouse and touch in one handler. It is also the game that proved the automated test harness had to run keyboard and pointer input separately: adding taps to a combined input pass revived a different game from zero reactivity and simultaneously took this one from 0.0346 to zero, because in a Simon-style game every stray click is a wrong answer and a wrong answer ends the round.
More of these in the dev notes.
Frequently Asked Questions
Is Synaptic Grid like Simon?
Yes. Watch the tiles light up, repeat the order, and one more step is added every round.
How do I remember longer sequences?
Say the pattern out loud as it plays. Audio memory holds longer strings than visual memory does.
How long can the sequence get?
There is no ceiling. A round is added every time you get it right, so the run ends when your memory does.
Browse every game on Neon Arcade · read the dev notes behind them