| 9401 | SpellKnights - Season Pass | 494074 | DLC | — | Catalogue |
| 9402 | SpellRogue - Supporter Pack | 2900220 | DLC | — | Catalogue |
| 9403 | Spencer's Spaghetti Quest - Early Supporter Pack | 4009520 | DLC | — | Catalogue |
| 9404 | Sphere 3 - Premium Pack | 794010 | DLC | — | Catalogue |
| 9405 | Sphere Frustration - Frustration Pack | 838970 | DLC | — | Catalogue |
| 9406 | Spin Rhythm XD - Chillhop DLC | 1668791 | DLC | — | Catalogue |
| 9407 | Spin Rhythm XD - Indie Pack DLC | 1677790 | DLC | — | Catalogue |
| 9408 | Spin Rhythm XD - Monstercat DLC | 1668790 | DLC | — | Catalogue |
| 9409 | Spin Rhythm XD - Supporter Pack | 1664540 | DLC | — | Catalogue |
| 9410 | Spire Horizon - Companion Expansion | 2515080 | DLC | — | Catalogue |
| 9411 | Spire Horizon - Little Dragon Aquanox Expansion | 2568070 | DLC | — | Catalogue |
| 9412 | Spire Horizon - Little Dragon Basilisk Expansion | 2568190 | DLC | — | Catalogue |
| 9413 | Spire Horizon - Little Dragon Buttercup Expansion | 2568220 | DLC | — | Catalogue |
| 9414 | Spire Horizon - Little Dragon Cinnamon Expansion | 2568170 | DLC | — | Catalogue |
| 9415 | Spire Horizon - Little Dragon Copper Expansion | 2568160 | DLC | — | Catalogue |
| 9416 | Spire Horizon - Little Dragon Deepsea Expansion | 2568180 | DLC | — | Catalogue |
| 9417 | Spire Horizon - Little Dragon Ivy Expansion | 2568150 | DLC | — | Catalogue |
| 9418 | Spire Horizon - Little Dragon Luminous Expansion | 2568210 | DLC | — | Catalogue |
| 9419 | Spire Horizon - Little Dragon Midnight Expansion | 2568130 | DLC | — | Catalogue |
| 9420 | Spire Horizon - Little Dragon Mossy Expansion | 2568120 | DLC | — | Catalogue |
| 9421 | Spire Horizon - Little Dragon Navy Expansion | 2568100 | DLC | — | Catalogue |
| 9422 | Spire Horizon - Little Dragon Peony Expansion | 2568200 | DLC | — | Catalogue |
| 9423 | Spire Horizon - Little Dragon Rosso Expansion | 2568090 | DLC | — | Catalogue |
| 9424 | Spire Horizon - Little Dragon Terracotta Expansion | 2568140 | DLC | — | Catalogue |
| 9425 | Spire Horizon - Little Dragon Verdant Expansion | 2568110 | DLC | — | Catalogue |
| 9426 | Spire Horizon - Little Dragon Volcano Expansion | 2568080 | DLC | — | Catalogue |
| 9427 | Spirit City: Lofi Sessions - All Aboard! DLC | 3815280 | DLC | — | Catalogue |
| 9428 | Spirit City: Lofi Sessions - Cozy Kitchen DLC | 3210380 | DLC | — | Catalogue |
| 9429 | Spirit City: Lofi Sessions - Enchanted Garden DLC | 4242210 | DLC | — | Catalogue |
| 9430 | Spirit City: Lofi Sessions - Magical Library DLC | 4734690 | DLC | — | Catalogue |
| 9431 | Spirit City: Lofi Sessions - Supporter pack | 2374850 | DLC | — | Catalogue |
| 9432 | Spirit City: Lofi Sessions - Winter Spirit Cosmetics Pack | 3349330 | DLC | — | Catalogue |
| 9433 | Splat Splat - Supporter Pack | 4037630 | DLC | — | Catalogue |
| 9434 | SpongeBob SquarePants: The Cosmic Shake - Costume Pack | 2152880 | DLC | — | Catalogue |
| 9435 | SpongeBob SquarePants: Titans of the Tide - Double Deluxe Costume Pack | 3870870 | DLC | — | Catalogue |
| 9436 | SpongeBob SquarePants: Titans of the Tide - Natural Costume Pack | 3840410 | DLC | — | Catalogue |
| 9437 | SpongeBob SquarePants: Titans of the Tide - Plankton's Portal Challenge DLC | 3870880 | DLC | — | Catalogue |
| 9438 | SpongeBob SquarePants: Titans of the Tide - The SpongeBob Movie: Search for SquarePants Costume Pack | 3870860 | DLC | — | Catalogue |
| 9439 | SpongeBob SquarePants: Titans of the Tide - The SpongeBob Movie: Search for SquarePants DLC | 3870890 | DLC | — | Catalogue |
| 9440 | SpongeBob SquarePants: Titans of the Tide - Tidal Season Pass | 3870760 | DLC | — | Catalogue |
| 9441 | Spot Race: Donation DLC | 1024040 | DLC | — | Catalogue |
| 9442 | Squad Emotes - Attitude Pack | 2417351 | DLC | — | Catalogue |
| 9443 | Squad Emotes - Barracks Pack | 3165860 | DLC | — | Catalogue |
| 9444 | Squad Emotes - Downtime Pack | 4062350 | DLC | — | Catalogue |
| 9445 | Squad Emotes - Free PT Pack | 2417350 | DLC | — | Catalogue |
| 9446 | Squad Emotes - Free Recruit Pack | 2222340 | DLC | — | Catalogue |
| 9447 | Squad Emotes - Grunt Pack | 2222341 | DLC | — | Catalogue |
| 9448 | Squad Emotes - Outpost Pack | 2826950 | DLC | — | Catalogue |
| 9449 | Squad Emotes - R&R Pack | 2222342 | DLC | — | Catalogue |
| 9450 | Squad Emotes - Stand Off Pack | 2598380 | DLC | — | Catalogue |
| 9451 | Squad Weapon Skins - Clash Pack | 2974490 | DLC | — | Catalogue |
| 9452 | Squad Weapon Skins - Contractors Pack | 3165850 | DLC | — | Catalogue |
| 9453 | Squad Weapon Skins - Desert Camo Pack | 2584870 | DLC | — | Catalogue |
| 9454 | Squad Weapon Skins - Dragon Pack | 4326750 | DLC | — | Catalogue |
| 9455 | Squad Weapon Skins - Insurgent Pack | 3486070 | DLC | — | Catalogue |
| 9456 | Squad Weapon Skins - Jungle Assault Pack | 2820320 | DLC | — | Catalogue |
| 9457 | Squad Weapon Skins - Kobzar Pack | 4044570 | DLC | — | Catalogue |
| 9458 | Squad Weapon Skins - Precision Strike Pack | 2521990 | DLC | — | Catalogue |
| 9459 | Squad Weapon Skins - Second Tour Pack | 3925370 | DLC | — | Catalogue |
| 9460 | Squad Weapon Skins - Sliva Pack | 4686020 | DLC | — | Catalogue |
| 9461 | Squad Weapon Skins - Woodland Camo Pack | 2522000 | DLC | — | Catalogue |
| 9462 | Stack & Sort Pals - Expansion Pack 1 | 3587840 | DLC | — | Catalogue |
| 9463 | Staff Expansion Pack | 4087470 | DLC | — | Catalogue |
| 9464 | Star Control: Origins - Earth Rising Expansion | 961150 | DLC | — | Catalogue |
| 9465 | Star Control: Origins - Multiverse DLC | 959250 | DLC | — | Catalogue |
| 9466 | Star Control: Origins - Reinforcements DLC | 956460 | DLC | — | Catalogue |
| 9467 | Star Melody Yumemi Dreamer - Special Pack | 1797030 | DLC | — | Catalogue |
| 9468 | Star Melody Yumemi Dreamer: Season Pass | 1796860 | DLC | — | Catalogue |
| 9469 | Star Ores Inc. - Supporter Pack | 4145470 | DLC | — | Catalogue |
| 9470 | Star Overdrive - Deluxe DLC | 3710300 | DLC | — | Catalogue |
| 9471 | Star Overdrive - OST & Manga DLC | 3710290 | DLC | — | Catalogue |
| 9472 | Star Sonata 2 - Starter Pack | 356410 | DLC | — | Catalogue |
| 9473 | Star Trek Legends - Enemies & Allies Content Pack | 2882190 | DLC | — | Catalogue |
| 9474 | Star Trek: Voyager - Across the Unknown - Delta Chronicles DLC | 4861560 | DLC | — | Catalogue |
| 9475 | Star Trek: Voyager - Across the Unknown - Deluxe DLC | 4063520 | DLC | — | Catalogue |
| 9476 | Star Trek: Voyager - Across the Unknown - Expansion Pass | 4873370 | DLC | — | Catalogue |
| 9477 | Star Trucker - Amped Customization Pack | 2873570 | DLC | — | Catalogue |
| 9478 | Star Trucker - Hallow's Eve Pack | 3218640 | DLC | — | Catalogue |
| 9479 | Star Trucker - Heavy Duty Pack | 3088950 | DLC | — | Catalogue |
| 9480 | Star Trucker - SteelSeries Promotional Pack | 3285520 | DLC | — | Catalogue |
| 9481 | Star Wars Outlaws - Forest Commando Pack | 3271180 | DLC | — | Catalogue |
| 9482 | Star Wars Outlaws - Season Pass | 3271140 | DLC | — | Catalogue |
| 9483 | Star Wars Outlaws - Ultimate Pack | 3271160 | DLC | — | Catalogue |
| 9484 | Star Wars Outlaws: A Pirate's Fortune DLC | 3541390 | DLC | — | Catalogue |
| 9485 | Star Wars Outlaws: Wild Card DLC | 3271130 | DLC | — | Catalogue |
| 9486 | StarDrive 2 - Shipyards Content Pack | 494140 | DLC | — | Catalogue |
| 9487 | StarRupture - Supporter Pack | 4167250 | DLC | — | Catalogue |
| 9488 | StarVaders - Supporter Pack | 3632550 | DLC | — | Catalogue |
| 9489 | StarWheels - Deluxe Pack | 1089150 | DLC | — | Catalogue |
| 9490 | StarWheels - Golden Pack | 1089750 | DLC | — | Catalogue |
| 9491 | Starborne: Frontiers - Expansion Pack | 3229930 | DLC | — | Catalogue |
| 9492 | Starborne: Frontiers - Launch Pack | 3113210 | DLC | — | Catalogue |
| 9493 | Starborne: Frontiers - Steam Exclusive Pack | 3229920 | DLC | — | Catalogue |
| 9494 | Starbrew Station - Interior Decorator's Pack | 4091120 | DLC | — | Catalogue |
| 9495 | Starlight Lover DLC | 1195840 | DLC | — | Catalogue |
| 9496 | Starpoint Gemini 3 - Supporter Pack | 1127600 | DLC | — | Catalogue |
| 9497 | Starsand - Digital Supporter Pack | 1797310 | DLC | — | Catalogue |
| 9498 | Starsand Island Shining Star DLC | 4621220 | DLC | — | Catalogue |
| 9499 | Starship Troopers: Extermination - Agni Prime Cosmetic Pack | 3205220 | DLC | — | Catalogue |
| 9500 | Starship Troopers: Extermination - Boreas Cosmetic Pack | 3205240 | DLC | — | Catalogue |
