Skip to content
Geeky Alien
Sineus Arena Survivors

Screenshots

Sineus Arena Survivors screenshot 1
Sineus Arena Survivors - Demo Gameplay Trailer (Next Fest) trailerWatch trailer on Steam ↗

Sineus Arena Survivors

Sineus Games · Published by Sineus Games

Mostly Positive — 77% positive (1,289 reviews) · 101 achievements

Last updated 28 Sept 2026

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!

DJCTQ 142 DLC available ↗Co-op

£9.89

Lowest price we've ever recorded

View on Steam

Prices can lag the live Steam store — always confirm before buying.

Price history

5 Sept 2026Lowest: £9.89 · Highest: £9.8910 Oct 2026

Action, Indie · 2026 · More £5 - £15 games

In Sineus Arena Survivors, players defend their stronghold against relentless waves of enemies. With each level, gather power-ups and random artifacts to grow stronger and claim a spot on the leaderboards.

About this game

Roadmap


About the Game

NO DOWNTIME 💥 JUST REAL-TIME CHAOS 

Sineus Arena Survivors takes the chaotic thrill of the survivor genre and expands it with co-op, building and base defense. This is a fast-paced, third-person 3D bullet heaven, playable solo or in 2-4 player co-op.

Fight hordes of the Gloom, level up your hero, collect weapons and artifacts and build structures and towers right in the middle of combat. There are no calm pauses for decisions - combat, building and survival all happen at the same time.

At the center of the arena stands the Beacon - the heart of your settlement and your last line of defense. As long as it burns, your team still has a chance. If the Beacon falls, darkness consumes everything.

Venture beyond the base to search for rare resources, chests, altars, trials and enemy lairs. The farther you go from the Beacon, the greater the risk - and the more valuable the reward.

At launch, expect 10+ heroes with different archetypes and combat styles, 5 factions with unique allies and visual identities, 13 building types, 25 weapons, 18 types of upgrades, 50+ artifacts, skins, quests, achievements and meta-progression.

KEY FEATURES

Co-op and Team Survival

Play solo or team up in 2-4 player co-op. Revive fallen allies, split roles and decide who holds the line while another player pushes out for loot.

Meta-Progression and Rewards

Earn currency by surviving, killing enemies and completing quests. Unlock heroes, weapons, skins, boosts and other rewards through the Magic Chest and its upgrade collection - every run brings you closer to new content.

The Beacon and Base Defense

Your base is not scenery - it is the heart of survival. Upgrade your settlement, reinforce its defenses and stop enemies from reaching the Beacon.

No-Pause Building. Zero Buzzkills

Slap down towers and buildings mid-wave without losing your momentum. Building is so fast and intuitive it never distracts you from the core bullet heaven loop. You focus on the intense survivors-like action; the base has your back.

Dangerous Runs for Rare Rewards

Stay behind the walls or risk going beyond the base for rare resources, artifacts and trials. Greed can lead to victory. Or to a very stupid death.

Weapons, Artifacts, and Builds

Combine weapons, passive upgrades and artifacts. Every run is a new chance to find a build that can survive invasions and the final battle.

Short Sessions and High Replayability

A match lasts 10 minutes or longer and continues until players move to the next biome difficulty level, complete all three stages for a full victory or get crushed by endlessly scaling final waves. Defeat the boss, activate the Beacon and push forward - or stay in the fight for a record as long as your build can hold.

🎮 Bullet Heaven fan? This is your next game!

System Requirements

Will my PC run this? →

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10 (64-bit) or newer
  • Processor: Intel i5-4590 or better
  • Memory: 8 GB RAM
  • Graphics: Geforce GTX 1050 or better
  • DirectX: Version 11
  • Network: Broadband Internet connection
  • Storage: 2 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system
  • Network: Broadband Internet connection

Supported Languages

English*, Russian*, Simplified Chinese, Traditional Chinese, French, Italian, German, Spanish - Spain, Czech, Japanese, Korean, Polish, Portuguese - Brazil, Portuguese - Portugal, Spanish - Latin America, Turkish
*languages with full audio support

Latest news

  • Patch NotesOfficial

    Stability Patch 1.3.5 — Fixes & Improvements

    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 of that specific card without including base values or other modifiers.\ The Wolf and Bear Altars can now be activated with 1 maximum HP. The Wolf Altar will always grant at least 1 coin.\ Removed duplicate quests. Requirements for quests involving foxes and altars have been reduced.\ Reduced the contact attack radius of all bosses to better match their models at the base. Gribotron's radius has been increased.\ Increased the chance of receiving a free chest from the Frontier lobby tavern from 2% to 5%.Fixes\ Fixed various issues with the chest opening animation in the lobby.\ One of the Barracks allied units is no longer displayed as Squirrel in the statistics.\ Fixed the Candle boss shaking while using its ability.\ Tornadoes no longer spawn in the air.\ Toxic Bomb projectiles are now visible.\ Towers no longer get stuck attacking an invisible target when changing stages.\ Fixed duplicate chat messages.\ Fixed hero animations jerking when turning 180 degrees.\ The Torch artifact no longer reduces an ally's revival speed.\ The Upgrader now correctly unlocks buildings for the client in co-op.\ The Bear Altar timer now correctly decreases for the client.\ Fixed a case where chests or buildings could disappear during network lag in co-op.\ After a hero is revived, elite enemies and bosses can once again return their aggro to that hero.\ Invasions now occur correctly on the second and third stages of both maps.\ Building debuffs now correctly apply to individual weapon parameters.\ A scroll obtained from the Ilvor Market can now be upgraded even if it has not been unlocked through meta-progression.\ Ice Zone and Toxic Bomb no longer land on an invisible surface in the air.\ The client's “Level 5 Tavern” buff is no longer applied to th...
    Read full article on Community Announcements (Sineus Games)
  • AnnouncementsOfficial

    Lobby Building, Boss Lair Fixes and More

    Hey 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 notes below 👇🆕 Added• \ Added the first version of the building system in the lobby. The feature is still a work in progress, with localization, UI flow and other elements still being developed.🔄 Updated• \ Updated the chest quest.• \ Music is now completely muted when near a boss lair instead of being reduced to 20%.⚙️ Fixed• \ Fixed an issue where characters could be teleported on top of towers or objects they jumped or flew under.• \ Fixed critical chance values above 100%.• \ Characters stuck in the falling animation are now teleported after 2 seconds if they barely move.• \ Fixed the Mushroomtron child appearing when the Mushroomtron disappeared, as well as the child not appearing after subsequent Mushroomtron respawns.• \ Fixed and aligned the activation zone of the Mushroom Forest boss lair.• \ Fixed critical damage upgrades for weapons.• \ Fixed weapon damage against elite enemies.⚠️ Please Note• Due to major balance changes, the leaderboard has been reset.• The lobby building system is still WIP. Localization, UI flow and some other elements are still being worked on. If you encounter any issues, please let us know on Discord: https://discord.gg/X2QdqK84qD.📸 Screenshot ContestWe’re also running a screenshot contest in our Discord! Share your best in-game screenshots for a chance to win a copy of the game for your friend and keys for the recently released DLC.As always, thanks for playing and for all your feedback! We’ll keep working on the next updates and improvements. See you in the game! 👋
    Read full article on Community Announcements (Sineus Games)
  • AnnouncementsOfficial

    A Brand New Day to Die - New Characters and Bosses!

    Hello 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 hidden somewhere in the game. We’ll leave it to players to discover how to unlock them. (Some of you will already have them unlocked if you’ve earned the secret achievement!)If you haven't met these conditions and earned the achievement yet, you won't see the surprise. But it's all in your hands ✋You can now encounter three new bosses in the Mushroom Vegas biome:The HagThe Hag's HusbandMushroomtronEach of them has their own unique attacks, which you can experience in the game right now 🍄We've also reworked the bunny-hopping mechanic. Now, if you jump and slide immediately after landing, your hero will gain a little speed after each successful move in the chain.To celebrate this major update, we're launching a 20% discount on the game, making it easier to invite your friends.There's already plenty of content in the game, with even more still to come!Due to major balance changes, the leaderboard has been reset.You can find the full list of changes in Update 1.2 below.Update 1.2 Patch Notes🏰 Towers and Building Progression\ Upgrade costs now increase separately for each building, and buildings no longer have a maximum level.\ Unique building upgrades have been moved to levels 10 and 20.\ Unique upgrades that previously increased a building's level have been replaced with upgrades that reduce the cost of further upgrades for that building.\ Towers surrounding the settlement are no longer destroyed when changing stages.⚔️ New Characters and Bosses\ Added a new Morn hero: Darn Rockstone.\ Added a secret character.\ Added three new bosses to Mushroom Vegas: the Hag, the Hag's Husband and Mushroomtron.\ Added the Scroll of Thorns.\ Added quests for reaching level 40 with weapons and scrolls.🏃 Movement\ Reworked the bunny-hopping mechanic....
    Read full article on Community Announcements (sineusgames)
  • AnnouncementsOfficial

    🏰 Siege of the Beacon: Arm Your Towers and Hold the Line!

    Hey 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 attack. If your hero only has their starting weapon, the tower will equip it automatically.The number of available towers has also been increased. Towers now have their own dedicated construction scaffolds and the Builders’ Guild has received an additional tower upgrade 🏹🔥 Your Base Can Now Be DestroyedAfter defeating the final boss of each stage, a powerful siege wave will begin.For two minutes, enemies will attack your towers, buildings and the Beacon. You’ll need to stop them and survive until the Beacon becomes available again, allowing you to activate it and move on to the next area level.Keep in mind: destroyed buildings and the Beacon will only be restored after you advance to the next level.And if you survive for a ten minutes+- after the final wave begins, there might be a little surprise waiting for you 👀Due to the major balance changes and the new final wave mechanics, the leaderboard has been reset.📋 Full Patch Notes 1.1🏰 Towers, Buildings and the Siege\ Towers can now be equipped with one of the hero’s weapons. Available weapons will appear when the tower is built. If the hero only has their starting weapon, the tower will equip it automatically.\ Added the Siege Wave mechanic. After the boss is defeated, enemies will attack the Beacon for two minutes. The Beacon can only be activated to advance to the next stage once the siege is over.\ Fixed an issue where building health would not recover.\ Fixed an issue that could cause two Beacons to appear in the same area.\ Added a sound effect for activating the Beacon and advancing to the next stage.⚖️ Unit and Building Balance\ Adjusted game balance across units and buildings:Reduced the damage and health of hero units.Changed building modifiers for regular and unique unit...
    Read full article on Community Announcements (sineusgames)
  • AnnouncementsOfficial

    New Altars, Death Screen and Our First Weeks After Release

    Hey 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 turn it into a deadly challenge. Take the risk or keep moving. The choice is yours 🐻🐺🐇We’ve also finally added a short delay before the victory and defeat screens appear. After taking a fatal hit, your character now smoothly enters their death animation, the screen gradually fades and you get a moment to see exactly what killed you. The final stats screen appears afterward.The victory screen now has a similar transition. The end of a run no longer cuts off abruptly and should feel much smoother.This is our first post-release update focused on expanding the game’s content. You can find the full list of changes below.Patch Notes 1.0.8🆕 New Content\ Added the Bear, Wolf and Bunny Altars. \ Added a delay before the victory and defeat screens appear.⚙️ Improvements\ Player-controlled units now behave more aggressively. \ In co-op, enemies from incoming waves should no longer spawn too close to players standing near each other. This change does not affect dens. \ Map icons now use different colors to make them easier to tell apart. \ Added death sounds for bosses. \ Improved save reliability in case of a crash.🛠️ Fixes\ Fixed an issue that caused item tooltips in the pause menu to appear inconsistently. \ Fixed the fourth item slot not being displayed for other players. \ Fixed map selection becoming locked after opening it from the character selection screen. \ Unlocking content on the Collection screen no longer resets the focus to the first item in the grid. \ Quest rewards are now claimed by pressing the reward button rather than selecting the quest itself.🎬 Story TrailerOur story trailer is also available starting today, complete with awesome professional voice acting, just like the rest of the game! It offers a deeper look at the...
    Read full article on Community Announcements (sineusgames)

We use strictly necessary cookies to run this site. We don't currently set any analytics or advertising cookies. See our Cookie Policy for details.