Paradox Interactive is a publisher of many games that have Steam Trading Cards, including:
- Ancient Space
- Cities in Motion 2
- Cities: Skylines
- Crusader Kings II
- Crusader Kings III
- Dungeonland
- Europa Universalis III
- Europa Universalis IV
- Hearts of Iron III
- Hearts of Iron IV
- Knights of Pen and Paper +1 Edition
- Knights of Pen and Paper 2
- Magicka
- Magicka 2
- Magicka: Wizard Wars
- March of the Eagles
- Mount & Blade
- Mount & Blade: Warband
- Pillars of Eternity
- Sengoku
- Stellaris
- Teleglitch: Die More Edition
- The Showdown Effect
- Victoria II
- Warlock - Master of the Arcane
- Warlock 2: the Exiled
- War of the Roses: Kingmaker
- War of the Vikings
They also publish games from their own development studios: