Did some changes:

1. Moved sudoku.lua to the root
2. Create Makefule
3. Add love binaries in `static-binaries` (they are not static yet)
4. Worked on fullscreen mode. (WIP)

Makefile

@@ -0,0 +1,14 @@
+.PHONY: run
+run:
+	@love .
+
+.PHONY: build
+build:
+	@zip -9 -r /tmp/Sudoku.love . -x '*.git*'
+	@mkdir -p build
+	@mv /tmp/Sudoku.love build
+	@cat static-binaries/love-arm64 build/Sudoku.love > build/sudoku-arm64
+	@chmod +x build/sudoku-arm64
+	@cat static-binaries/love-amd64 build/Sudoku.love > build/sudoku-amd64
+	@chmod +x build/sudoku-amd64
+

main.lua

@@ -1,4 +1,4 @@
-sudoku = require "sudoku.sudoku"
+sudoku = require "sudoku"
 uiUtils = require "ui.utils"
 config = require "config"
 SudokuCanvas = require "ui.sudokucanvas"
@@ -7,12 +7,16 @@ board = {}
 
 function love.load()
     love.window.setTitle("Sudoku!")
+    love.window.fullscreen = true
+
     love.window.setMode(0, 0)
     love.mouse.setGrabbed(false)
     love.keyboard.setKeyRepeat(true)
     math.randomseed(os.time())
     board = sudoku.loadBoard(config.board.filePath)
-    local width, height = love.graphics.getDimensions()
+    -- local width, height = love.graphics.getDimensions()
+    local width, height = love.window.getDesktopDimensions()
+    love.window.setMode(width, height, {fullscreen = true})
     sudokuCanvas = SudokuCanvas:new(500, 50, height/1.1, config.SudokuCanvas)
     sudokuCanvas:setBoard(board[1])
     myFont = love.graphics.newFont(24)

sudoku.lua

@@ -55,7 +55,7 @@ function loadBoard(fn)
     local boards = {}
     local r = 0
     local board = {}
-    for line in io.lines(fn) do
+    for line in love.filesystem.lines(fn) do
         if line:gsub("%s+", "") == "" then
             table.insert(boards, board)
             board = {}

sudokuGUI

@@ -1,3 +0,0 @@
-#! /bin/sh
-
-love .