| 1701 | Celebrities Hacked - NoirPetal Photo Pack | 2556420 | DLC | — | Catalogue |
| 1702 | Celebrities Hacked - Penelope Photo Pack | 2556330 | DLC | — | Catalogue |
| 1703 | Celebrities Hacked - PlushyPixel Photo Pack | 2556380 | DLC | — | Catalogue |
| 1704 | Celebrities Hacked - Scarlet Photo Pack | 2556360 | DLC | — | Catalogue |
| 1705 | Celestian Tales: Old North - Alternate Costume Pack | 462611 | DLC | — | Catalogue |
| 1706 | Center Station Simulator - Supporter Pack | 3233380 | DLC | — | Catalogue |
| 1707 | Century - Arisen Pack | 1851510 | DLC | — | Catalogue |
| 1708 | Century - Colossus Deluxe Pack | 1938962 | DLC | — | Catalogue |
| 1709 | Century - Dark Goliath Pack | 1938961 | DLC | — | Catalogue |
| 1710 | Century - Ember Crown Pack | 2194650 | DLC | — | Catalogue |
| 1711 | Century - Fellow Pack | 1850770 | DLC | — | Catalogue |
| 1712 | Century - Introduction Pack | 1907460 | DLC | — | Catalogue |
| 1713 | Century - Mighty Beast Pack | 1938960 | DLC | — | Catalogue |
| 1714 | Century - Rimeblood Starter Pack | 2496230 | DLC | — | Catalogue |
| 1715 | Century - Skaarp Pack | 2199670 | DLC | — | Catalogue |
| 1716 | Century - Skältir Apostate Pack | 2200870 | DLC | — | Catalogue |
| 1717 | Century - Stormraiser Starter Pack | 2200880 | DLC | — | Catalogue |
| 1718 | Century - Thornweaver Starter Pack | 2347230 | DLC | — | Catalogue |
| 1719 | Century - Unshackled Pack | 2689430 | DLC | — | Catalogue |
| 1720 | Century - Wishbringer Pack | 3059020 | DLC | — | Catalogue |
| 1721 | Century - Zealot Pack | 1851500 | DLC | — | Catalogue |
| 1722 | Cerulean Invasion - CG Pack | 3758860 | DLC | — | Catalogue |
| 1723 | Chadgeon: Literally Me Expansion | 3070680 | DLC | — | Catalogue |
| 1724 | Chaordic - Nature Wallpaper pack | 1425040 | DLC | — | Catalogue |
| 1725 | Chaordic - Scary Wallpaper pack | 1178800 | DLC | — | Catalogue |
| 1726 | Chaos Chain Founder Pack DLC | 1777870 | DLC | — | Catalogue |
| 1727 | Chaos Chain Kickstart Kit DLC | 2306360 | DLC | — | Catalogue |
| 1728 | Chaos Chain Supporter Cosmetic Pack 2 DLC | 2811670 | DLC | — | Catalogue |
| 1729 | Chaos Chain Supporter Cosmetic Pack 3 DLC | 2946680 | DLC | — | Catalogue |
| 1730 | Chaos Chain Supporter Cosmetic Pack 4 DLC | 3471700 | DLC | — | Catalogue |
| 1731 | Chaos Chain Supporter Cosmetic Pack 5 DLC | 3471710 | DLC | — | Catalogue |
| 1732 | Chaos Chain Supporter Cosmetic Pack DLC | 2540170 | DLC | — | Catalogue |
| 1733 | Chaos Chain Supporter Pack 2 DLC | 2124170 | DLC | — | Catalogue |
| 1734 | Chaos Chain Supporter Pack 3 DLC | 3852040 | DLC | — | Catalogue |
| 1735 | Chaos Chain Supporter Pack 4 DLC | 4541120 | DLC | — | Catalogue |
| 1736 | Chaos Chain Supporter Pack DLC | 1865430 | DLC | — | Catalogue |
| 1737 | Chaos Town - Shape & Skin Pack | 640390 | DLC | — | Catalogue |
| 1738 | Chapter Wars Expansion Pack | 2778180 | DLC | — | Catalogue |
| 1739 | Charlie II - Expansion Pack | 851360 | DLC | — | Catalogue |
| 1740 | Cheat Death - Supporter Pack | 4913120 | DLC | — | Catalogue |
| 1741 | Check vs Mate - Art & Music Premium Pack | 510150 | DLC | — | Catalogue |
| 1742 | Check vs. Mate - Dark Desert DLC | 339620 | DLC | — | Catalogue |
| 1743 | Check vs. Mate - Floating Island DLC | 339630 | DLC | — | Catalogue |
| 1744 | Chef Life - AL FORNO PACK | 1788351 | DLC | — | Catalogue |
| 1745 | Chef Life - BON APPÉTIT PACK | 1788350 | DLC | — | Catalogue |
| 1746 | Chernobylite - Autumn Dread Pack | 1797280 | DLC | — | Catalogue |
| 1747 | Chernobylite - Black Smoke Pack | 3017050 | DLC | — | Catalogue |
| 1748 | Chernobylite - Blue Flames Pack | 1903090 | DLC | — | Catalogue |
| 1749 | Chernobylite - Charity Pack | 1935250 | DLC | — | Catalogue |
| 1750 | Chernobylite - Deadly Frost Pack | 1845330 | DLC | — | Catalogue |
| 1751 | Chernobylite - Red Trees Pack | 1958580 | DLC | — | Catalogue |
| 1752 | Chernobylite - White Rose Pack | 1640500 | DLC | — | Catalogue |
| 1753 | Chernobylite - Zone Bard Pack | 2184830 | DLC | — | Catalogue |
| 1754 | Childhood Dreams - Jigsaw Puzzle - Expansion Pack 1 | 2351910 | DLC | — | Catalogue |
| 1755 | Children of Silentown - Supporter Pack | 2213230 | DLC | — | Catalogue |
| 1756 | Children's Jigsaw Puzzles - Beautifully Illustrated - Expansion Pack | 1639240 | DLC | — | Catalogue |
| 1757 | Chill Fishing - Supporter Pack | 4646120 | DLC | — | Catalogue |
| 1758 | Chinese Football Simulator - Dream Start DLC | 4012700 | DLC | — | Catalogue |
| 1759 | Chivalry Quest : Sword and Flame DLC | 3948430 | DLC | — | Catalogue |
| 1760 | Choiceline Brawl - Assassin Pack | 4510110 | DLC | — | Catalogue |
| 1761 | Choiceline Brawl - Fighter Pack | 4510120 | DLC | — | Catalogue |
| 1762 | Choiceline Brawl - Mage Pack | 4510130 | DLC | — | Catalogue |
| 1763 | Choiceline Brawl - Mutant Pack | 4510140 | DLC | — | Catalogue |
| 1764 | Choiceline Brawl - Tank Pack | 4510150 | DLC | — | Catalogue |
| 1765 | Choo-Choose - Supporter Pack | 3384850 | DLC | — | Catalogue |
| 1766 | Choo-Сhoose - Cosmetic Chaos DLC | 3777740 | DLC | — | Catalogue |
| 1767 | Chop Chains - Supporter Pack | 4555000 | DLC | — | Catalogue |
| 1768 | Chornobyl Liquidators - Supporter Pack | 2983690 | DLC | — | Catalogue |
| 1769 | Christmas Fables: Holiday Guardians DLC | 2238090 | DLC | — | Catalogue |
| 1770 | Christmas Fables: Nutcracker's Tale DLC | 4162680 | DLC | — | Catalogue |
| 1771 | Christmas Fables: The Magic Snowflake DLC | 2719360 | DLC | — | Catalogue |
| 1772 | Christmas Fables: The Wishing Store DLC | 3324850 | DLC | — | Catalogue |
| 1773 | Christmas Sort Puzzle - Expansion Pack | 1836620 | DLC | — | Catalogue |
| 1774 | Chronicles of Taldun - The Remainder: Fan Pack | 3337570 | DLC | — | Catalogue |
| 1775 | Chrono Crystal - Archie DLC | 2382741 | DLC | — | Catalogue |
| 1776 | Chrono Crystal - Factory DLC | 2382742 | DLC | — | Catalogue |
| 1777 | Chrono Crystal - Giant Gate DLC | 2382743 | DLC | — | Catalogue |
| 1778 | Chrono Crystal - Hubert DLC | 2382740 | DLC | — | Catalogue |
| 1779 | Chrono's Arena - Characters Pack | 1187530 | DLC | — | Catalogue |
| 1780 | Chubby Story - Support Developer Pack | 4705080 | DLC | — | Catalogue |
| 1781 | Chuck's Challenge 3D 2020 - DLC 1 - Happy Holidays | 333700 | DLC | — | Catalogue |
| 1782 | Chuck's Challenge 3D 2020 - DLC 2 - Extra Woop | 1406190 | DLC | — | Catalogue |
| 1783 | Chupa Chupa VR - Boy pack | 1409380 | DLC | — | Catalogue |
| 1784 | Chupa Chupa VR - Dress-up pack | 1373150 | DLC | — | Catalogue |
| 1785 | Château Royale Jigsaw - Expansion Pack 1 | 3355220 | DLC | — | Catalogue |
| 1786 | Château Royale Jigsaw - Expansion Pack 2 | 3367750 | DLC | — | Catalogue |
| 1787 | Château Royale Jigsaw - Expansion Pack 3 | 3368700 | DLC | — | Catalogue |
| 1788 | Citadale Resurrection - Book of Shadows DLC | 2299190 | DLC | — | Catalogue |
| 1789 | Citadale Resurrection - Darkness my Curse DLC | 2556520 | DLC | — | Catalogue |
| 1790 | Citadale Resurrection - Prelude to War DLC | 2299200 | DLC | — | Catalogue |
| 1791 | Cities: Skylines - Content Creator Pack: Map Pack | 1726382 | DLC | — | Catalogue |
| 1792 | Cities: Skylines - Deluxe Edition Upgrade Pack | 346791 | DLC | — | Catalogue |
| 1793 | Cities: Skylines - Expansion Subscription | 2934300 | DLC | — | Catalogue |
| 1794 | Citizen Package DLC | 536240 | DLC | — | Catalogue |
| 1795 | City Bus Manager - International Bus Pack | 3358770 | DLC | — | Catalogue |
| 1796 | City Legends: The Ghost of Misty Hill DLC | 2433660 | DLC | — | Catalogue |
| 1797 | City Legends: The Witness in the Rye DLC | 2926480 | DLC | — | Catalogue |
| 1798 | City Painter - Supporter Pack | 4362050 | DLC | — | Catalogue |
| 1799 | City Tales - Medieval Era - Supporter Pack | 3645240 | DLC | — | Catalogue |
| 1800 | CivIdle - "Keep Our Server On" Pack | 4777130 | DLC | — | Catalogue |
