SCS Software updates the game constantly. A repack from 2023 won't include the newer Nebraska map or the 1.50 technical overhaul .
The official way to get the full version is through Steam . This ensures you have the 2024 engine updates (like the 1.50 update with improved graphics) which repacks from 2023 will lack. 2. Essential Map DLCs american-truck-simulator-repack-full-version-2023
To have a "complete" map of the US as of late 2023/early 2024, you would need these key expansions: California (Base), Oregon, Washington. SCS Software updates the game constantly