Steam Games Released in September 2025

Discover and explore Steam games released in September 2025. Browse new releases, view player statistics, and find trending games from this month.

Total Games: 278453 | View 2025
Games Released in September
35
Games with Data
35
Trending This Month
35

Games Released in September 2025

Counter-Strike game capsule

Counter-Strike

AppID: 10
Team Fortress Classic game capsule

Team Fortress Classic

AppID: 20
Day of Defeat game capsule

Day of Defeat

AppID: 30
Deathmatch Classic game capsule

Deathmatch Classic

AppID: 40
Half-Life: Opposing Force game capsule

Half-Life: Opposing Force

AppID: 50
Ricochet game capsule

Ricochet

AppID: 60
Half-Life game capsule

Half-Life

AppID: 70
Counter-Strike: Condition Zero game capsule

Counter-Strike: Condition Zero

AppID: 80
Codename Gordon game capsule

Codename Gordon

AppID: 92
Counter-Strike: Condition Zero Deleted Scenes game capsule

Counter-Strike: Condition Zero Deleted Scenes

AppID: 100
Half-Life: Blue Shift game capsule

Half-Life: Blue Shift

AppID: 130
Counter-Strike Steamworks Beta game capsule

Counter-Strike Steamworks Beta

AppID: 150
Half-Life 2: Demo game capsule

Half-Life 2: Demo

AppID: 219
Half-Life 2 game capsule

Half-Life 2

AppID: 220
Counter-Strike: Source game capsule

Counter-Strike: Source

AppID: 240
Half-Life: Source game capsule

Half-Life: Source

AppID: 280
Day of Defeat: Source game capsule

Day of Defeat: Source

AppID: 300
Half-Life 2: Deathmatch game capsule

Half-Life 2: Deathmatch

AppID: 320
Half-Life 2: Lost Coast game capsule

Half-Life 2: Lost Coast

AppID: 340
Half-Life Deathmatch: Source game capsule

Half-Life Deathmatch: Source

AppID: 360
Half-Life 2: Episode One game capsule

Half-Life 2: Episode One

AppID: 380
Portal game capsule

Portal

AppID: 400
Portal: First Slice game capsule

Portal: First Slice

AppID: 410
Half-Life 2: Episode Two game capsule

Half-Life 2: Episode Two

AppID: 420
Team Fortress 2 game capsule

Team Fortress 2

AppID: 440
Spacewar game capsule

Spacewar

AppID: 480
Left 4 Dead game capsule

Left 4 Dead

AppID: 500
Left 4 Dead 2 game capsule

Left 4 Dead 2

AppID: 550
Dota 2 game capsule

Dota 2

AppID: 570
Portal 2 game capsule

Portal 2

AppID: 620
Alien Swarm game capsule

Alien Swarm

AppID: 630
Portal 2 - Pre-order game capsule

Portal 2 - Pre-order

AppID: 659
Portal 2 Sixense MotionPack game capsule

Portal 2 Sixense MotionPack

AppID: 660
Counter-Strike 2 game capsule

Counter-Strike 2

AppID: 730
Steam game capsule

Steam

AppID: 753

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