Developer postOriginal post (opens in a new tab)

[Store page published] Add Cross

On September 5, 2025, we launched the store page for a game called "Add Cross."

Write the numbers 1 through 9 one by one without repeating them, and add them all up to get the number in the puzzle square! This is a quick and easy pencil puzzle game.

https://store.steampowered.com/app/3899090/_/