Top 11 Demos Launching That You Can Check Out for Free (15th–21st of September)

If you're looking for demos to play throughout the week on Steam, then we've got you covered! There are dozens of demos launching every week, with even more that might be shadow-dropping, so here are some of the ones that we found that we think you should check out.

Underdark Demo

• Developer: Preycom
• Publisher: Preycom
• Genre: Adventure, Indie
• Tags: Adventure, Platformer, 2D Platformer
• Release Date: 19 Sep, 2025
• Steam Link

Alabaster Dawn Demo

• Developer: Radical Fish Games
• Publisher: Radical Fish Games
• Genre: Action, RPG
• Tags: RPG, Action RPG, Action
• Release Date: 18 Sep, 2025
• Steam Link

Rita Demo

• Developer: SporkTank
• Publisher: SporkTank
• Genre: Adventure, Casual, Indie
• Tags: Adventure, Puzzle, Story Rich
• Release Date: 18 Sep, 2025
• Steam Link

Jackal Demo

• Developer: Transhuman Design
• Publisher: Transhuman Design
• Genre: Action, Indie
• Tags: Violent, Action, Top-Down Shooter
• Release Date: 15 Sep, 2025
• Steam Link

Rhythm Animal Café Demo

• Developer: Salt Game Studio
• Publisher: XD
• Genre: Casual, Indie
• Tags: Rhythm, Cute, Cartoony
• Release Date: 15 Sep, 2025
• Steam Link

Outcity Demo

• Developer: Titan, Droox
• Publisher: Titan
• Genre: Indie, Simulation
• Tags: Simulation, City Builder, Sandbox
• Release Date: 15 Sep, 2025
• Steam Link

Terrafactor Demo

• Developer: randy
• Publisher: bald
• Genre: Action, Adventure, Simulation
• Tags: Simulation, Adventure, Automation
• Release Date: 15 Sep, 2025
• Steam Link

Boogie Fungi Demo

• Developer: Wobbly Lines
• Publisher: Wobbly Lines
• Genre: Casual, Indie
• Tags: Casual, City Builder, Rhythm
• Release Date: 15 Sep, 2025
• Steam Link

Gridle

• Developer: Seyloj
• Publisher: Seyloj
• Genre: Casual, Indie, Simulation
• Tags: Casual, Simulation, Strategy
• Release Date: December 2025
• Steam Link

Cozy Pet Life Idle Demo

• Developer: UPI Games
• Publisher: UPI Games
• Genre: Casual, Indie, Simulation
• Tags: Clicker, Idler, Management
• Release Date: 14 Sep, 2025
• Steam Link