VECTORSUM
Start Game
2 Player
2 PLAYER
Same Device
Online
← Main Menu
YOUR IDENTITY
You:
— not set —
← Main Menu
Next →
HOST OR JOIN
Host a Room
Join a Room
← Main Menu
ROOM CREATED
Share this code with your opponent
----
Waiting for opponent to join…
Quit
JOIN ROOM
Join
← Back
MATCH SETTINGS
PROGRESSIVE
FIXED LEVEL
4×4
5×5
6×6
7×7
Start Match →
Waiting for host to choose match settings…
Quit
WAITING
Waiting for opponent's turn…
🔒
Claim Win — Opponent Away
Quit
00:00.0
You
00:00.0
Opponent
Quit
MATCH OVER
Rivalry Board
Main Menu
PLAYER SETUP
BASE
P1:
— not set —
P2:
— not set —
Rivalry Board
← Main Menu
Next →
GRID SELECT
PROGRESSIVE
FIXED LEVEL
Fixed size (if selected):
4×4
5×5
6×6
7×7
8×8
9×9
8×8 / 9×9 disabled — engine bottleneck, pending fix
← Back
Next →
GAME START
Match 1
Player 1
vs
Player 2
🪙
Coin flip deciding first turn…
← Back
Next →
HANDOFF
Board hidden — GUI rotating to face
Player 2
🔒
Board hidden
▶ START MY TURN
00:00.0
P1
00:00.0
P2
Player 1's turn — clock running
← Back
GAME OVER
Raw times
Player 1
00:30.0
Player 2
00:40.0
Reveal the winner
▶ Next Game
☰ Menu
Rivalry →
RIVALRY BOARD
All tracked pairings
▶ Next Game
← Back to Setup
Main Menu
Manage saved identities
SAVED IDENTITIES
Every name+emoji ever registered on this device. Deleting one is permanent — that name+emoji combo won't be recognized again.
← Back
0.0s
Complexity: ---
LD-P: -- · LD-G: --
Moves: 0
Mastery: --
New Game
Refresh
Reset Board
Next Level
Share 📸
Field Test 🔬
Export Session 📄
?
Quit
BASE
Test 4x4
Test 5x5
Test 6x6
Test 7x7
Test 8x8
Test 9x9
✕ clear selection
RULES
>
neighbour smaller by ≥1
>>
neighbour smaller by ≥2
E / O
cell must be even / odd
Σ
two cells must sum to shown value
★
1–N once per row & column
GAME OVER
💔
Board Fractured
FIELD TEST · BOARD CAPTURE
SUCCESS
Level
--
Grid
--
UCI
--
LD-Peak
--
LD-Grind
--
Diff
--
Time
--
Moves
--
Hearts
--
FELT DIFFICULTY (1–5)
1
2
3
4
5
1 = trivial
3 = balanced
5 = brutal
Skip
Verify This Board 🔬
Save & Continue
Board 1 of 5
GAME HISTORY
Level
UCI
LD-P
LD-G
Diff
Time
Moves
Mastery
Status