Steam app 4227400 · updated 12 Sep 2026, 20:16 UTC
Fight hordes and defend your Stronghold in a bullet heaven survivor-like with co-op and tower defense. Gain power-ups every level, collect random artifacts from chests and grow stronger to survive, defeat the boss and claim a top spot on the Sineus Arena leaderboards!
719 hourly samples, with the daily peak drawn over them. Weekends are shaded.
4 months, June 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 436 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.
Sineus Arena Survivors was released on 22 Jun, 2026.
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A blank audio cell means full audio was not marked in the returned language list.
Sineus Arena Survivors - Demo Gameplay Trailer (Next Fest)
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Sineus Arena Survivors - Story Launch Trailer (EN)
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Sineus Arena Survivors - Alpha Gameplay Trailer
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Sineus Arena Survivors - Playtest Demo | Gameplay Teaser-Trailer
Watch on Steam101 achievements in total.
23 developer announcements, Mar 2026 to Sep 2026 · times in UTC
Hello everyone! We decided to release a stability patch ahead of the next major update. Stay tuned for more news.Updates\ Changed how stats are displayed on cards when leveling up and upgrading buildings. Cards now show the upgrade values…
Patch notesHey everyone! 👋Patch 1.3 is here! This update brings the first version of the building system in the lobby. We’ve also fixed several issues with character movement, critical damage, plus made a few small quality-of-life updates.Full patch…
Sineus GamesHello again, everyone!Today we're releasing another major update, headlined by two new characters and three new bosses.The first new hero is Darn Rockstone, a member of the Morn people.The second is a secret, slightly meme-worthy character…
sineusgamesHey everyone!Today we’re releasing Patch 1.1, designed to make towers stronger, more exciting and just a little more unhinged.You can now give a tower one of your hero’s weapons when building it - and the tower will use that weapon’s actual…
sineusgamesHey everyone! 👋It’s Friday, so we decided to drop another update before the weekend.Three new altars have appeared in the game: the Bear, Wolf and Bunny Altars. Each one has its own unique effect that can either make your run much easier or…
sineusgamesWe are thrilled to welcome you to the launch version of the game. Dive into the ultimate arena challenge, experiment with powerful new builds, and see how long you can survive the ultimate horde.
Sineus GamesHey everyone! 👋We’re still hunting down memory leaks, improving readability and adding the things the game was clearly missing.This big patch adds a lot of new tooltips that explain key mechanics, items and stats. We also fully reworked the…
Sineus GamesHello there, survivors! 👋Valve has approved our Community Items, which means you can now collect Trading Cards, craft Badges, unlock Profile Backgrounds featuring artwork drawn by our artist and use a few little emoticons ✨You can check out…
sineusgamesHey everyone! 👋We’re still working on Sineus Arena Survivors and update 1.06 is now live.This patch mainly focuses on effect settings, something a lot of you asked for. You can now lower the visibility of certain effects or turn them off…
sineusgamesWe’re actively reading your posts and bug reports on Steam and in our Discord, and today we’re rolling out an update that fixes several bugs, improves optimization, and makes co-op much friendlier for everyone playing together…
Sineus GamesHello there! 👋One more hello from us. Today our Game Director spent a lot of time replying to negative reviews, but we also went through all the positive ones too.There’s still a lot of work ahead, but we’re not giving up. We’ll keep…
sineusgames👋 Hey everyone!The release is live, and we’re already moving fast with the first wave of improvements. Huge thanks to everyone playing, leaving reviews, reporting issues and helping us make the game better 🛠️We’re keeping a close eye on…
sineusgamesFirst of all, thank you. Seriously.If you played the demo, wishlisted the game, left feedback, yelled at bugs, broke the leaderboard or simply believed that a cat with mystical powers deserved a full video game around him - you helped us…
Sineus GamesWelcome to the Sineus Arena Survivors live developer stream!Join us during Steam Next Fest to:• Watch the developers play the latest demo• See the new hero, Rivan Stormwing, in action• Learn about upcoming features and plans• Ask questions…
Sineus GamesTo celebrate the festival, we’ve just dropped a brand-new hero into the demo: Rivan Stormwing. Get ready to take him for a spin and explore entirely new strategy combinations! Oh, and to keep things fair and fierce, we’ve completely wiped…
Sineus GamesThe Sineus Arena Survivors is officially open and it’s time to test your survival skills! Jump in right now, tear through the hordes, and help us make the game even better.Here is your action plan:🔸 Play the Demo! Download it now and…
duelcraftartYou know how people usually get gifts on their birthday? Yeah, we’re breaking the system. On June 5th, the free public demo of Sineus Arena Survivors drops and shortly after our studio's founder celebrates his birthday. To mark this double…
duelcraftartJust to put that into perspective: 40,000 people is a literal full stadium waiting for our game. We are absolutely blown away. To everyone who clicked that wishlist button, watched our devlogs, left comments, or just silently rooted for us…
duelcraftartThe demo is almost here 🔥We've been getting hundreds of questions about when you'll finally be able to jump into the game — and the wait is almost over.We're excited to share: the demo will be available on Steam in early June!You'll get to…
duelcraftart📋 20,000+ wishlists added🏆 Ranked in the Top 2,000 most wishlisted games on Steam — out of 120,000+🎥 Hundreds of videos across social media with over 2,000,000 views💬 Thousands of comments from all of youYou're absolutely incredible. We see…
duelcraftartHey everyone! 👋 Thank you to everyone who took part in the first playtest wave. Your feedback helped us make serious progress. Today, March 27, we’re launching Wave 2, 1,000 invites have been sent out, and now you can jump in and see how…
duelcraftartThe first stage of our closed playtest ends on March 13, but the break won't last long. We are excited to invite you to Wave 2 starting March 27! 🎮Keep those applications coming! As soon as the major update is ready, we’ll start rolling out…
sineusarenaFirst Playtest Demo Update⚙️We’ve rolled out the first small update for the test alpha. We fixed a lot of the issues that let players break the game, abuse positioning, and basically make it impossible for mobs to reach the heroes. Enemies…
sineusarenaEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
| Name | Platforms | Released |
|---|---|---|
| Sineus Arena Survivors: Dark Triumph Skin Pack | Windows | 06 Aug 2026 |
| Sineus Arena Survivors Soundtrack | WindowsmacOSLinux | 10 Jul 2026 |
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | SineusArena.exe | any |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | Duelcraft labs/SineusArena | *.dat |
WinAppDataLocalLow | Duelcraft labs/SineusArena | *.dat.bak |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG