The official CM5 Pre-game Editor allowed users to manipulate the database before starting a new career. Key features included:

Create a custom league:

By 10:00 AM, he wasn’t entering invoices. He was in the database. He took a struggling, bottom-tier League Two side and gave them a "silent" investor—editing their balance sheet from £50k to £500m. He found a 16-year-old benchwarmer in the reserves and manually cranked his "Potential Ability" to 200. He renamed the kid "Leo Legend."