Steam Next Fest is quietly becoming the Christmas season for gamers. Fortunately, we get to experience the biggest collection of upcoming titles for free three times every year. Steam Next Fest June 2026 has been announced, and it’s bigger than ever. The event runs from June 15 through June 22, 2026. 

With over 4,300 playable builds available, gamers are finding it difficult to pick the best games to try out for free. To help you make the most of this event, we’ve put together a list of the best games, from indie to AAA powerhouses, that you can try out for free right before the massive Steam Summer Sale kicks off on June 25.

Best Demos You Can Play in Steam Next Fest: June 2026

Here are the 10 best free demos you need to play right now:

Gritty promotional poster for Onimusha: Way of the Sword, featuring a rugged samurai warrior holding a katana, with a glowing blue-eyed demonic gauntlet on his right arm against a dark, stormy night background.

Onimusha: Way of the Sword. Image Credit: Steam

1. Onimusha: Way of the Sword: Capcom revives its legendary samurai franchise. Expect fast hack-and-slash combat, supernatural enemies, and satisfying parry mechanics.

The official promotional poster for Valor Mortis, showcasing its dark fantasy, Napoleonic-era setting and cosmic horror elements.

Promotional Poster. Image Credit: Steam

2. Valor Mortis: A dark, first-person soulslike from the team behind Ghostrunner. You play as a supernaturally powered soldier in Napoleon’s army fighting grotesque monsters.

3. Penguin Colony: A brilliant cosmic horror game from Origame Digital. It adapts H.P. Lovecraft’s At the Mountains of Madness but tells it through the eyes of a penguin.

A bright, stylish, anime-influenced promotional banner for the tactical action game "EMPULSE." The illustration uses a vibrant color palette dominated by teal, white, and pops of bright yellow and orange. The main character is captured mid-air, leaping dynamically toward the viewer; he wears a streetwear-inspired outfit consisting of a yellow jacket,

EMPULSE Game Poster. Image Credit: Steam

4. Empulse: Developed by 1047 Games, this fast-paced shooter mixes Halo-inspired gunplay with giant, pilotable mechs. It feels like a true spiritual successor to Titanfall.

5. Ascenders: Beyond the Peak: An innovative turn-based tactical mountain climbing game. You must manage stamina and ropes on a grid while surviving Lovecraftian threats.

A dark, atmospheric, and eerie horror game poster for "The Sinking City 2." The central figure is a detective clad in a classic brown trench coat and fedora, viewed from behind. He stands submerged up to his waist in murky water, gripping a glowing green pistol in one hand and slinging a shotgun over his back.

The Sinking City 2 Key Art. Image Credit: Steam

6. The Sinking City 2: Frogwares doubles down on pure survival horror. This demo highlights resource management, deliberate dread, and eerie puzzles.

7. Blood Dungeon: Created by the developer of Nidhogg. It takes the addictive auto-shooting formula of Vampire Survivors and flips it into a chaotic 2D platformer.

A charming, hand-drawn promotional image for the sequel game "TOEM 2." The visual style is entirely monochrome (black, white, and shades of gray).

TOEM 2 Promotional Banner. Image Credit: Steam

8. Toem 2: The monochrome, cozy photography adventure returns. Toem 2 expands on hidden-object puzzles and wholesome world-building.

9. Entropy: A PS1-style tactical JRPG with an unsettling vibe. You guide a theater troupe through a dark fantasy world crawling with demons.

A warm, nostalgic capsule image featuring a heavily weathered, retro 16-bit style gaming cartridge. The cartridge has visible scuffs, dirt, and aging textures across its gray plastic shell, resting on a polished wooden tabletop.

Cozy Game Restoration Poster. Image Credit: Steam

10. Cozy Game Restoration: This is an incredibly satisfying simulator. In this game, you can restore forgotten retro video game cartridges to pristine condition at a quiet workbench.

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How To Participate in the Steam Next Fest: June 2026

Joining the festivity is completely free. Simply launch the Steam application on your PC or visit the official Steam store website. Head over to the dedicated “Next Fest” tab on the front page. 

From there, you can filter titles by your favorite genres, watch live developer streams, and add standouts directly to your wishlist. Click “Download Demo” on any game page to start playing instantly.

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Why Free Demos Are Reshaping Gaming

Playable demo is a massive win for the gaming community. It means fans can test out games before committing any of their hard-earned money. If you love it, you can go on to buy the full version.

Developers also win with this set up. Developers can get crucial player feedback from demo testing. They can use this feedback to fix bugs before launch day. It brings back the classic joy of gaming experimentation.

Hidden Gems Worth Your Time

Beyond the massive headliners, this festival thrives on its weirdest ideas. Games like A Game About Breaking a Cube or Hack 95 prove that indie developers are still pushing creative boundaries. Do not be afraid to wander outside your usual comfort zones. You might just stumble upon your next favorite obsession.

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