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About SunderBound

SunderBound - about the game
Trust Under Fire

Climb together or fall as one. SunderBound is a 2-player co-op top-down shooter with roguelite progression and tactical elements, set in a decaying dieselpunk world shattered by a failed weather weapon. With tech fried and time short, all that’s left is the climb one brutal floor at a time.

You play as two rebels fighting their way through Haven: a dystopian mega-structure ruled by a godlike tyrant known only as The Minister. Each level hits differently, throws harder enemies, deadlier traps, and pushes tougher decisions. Whether you team up with a friend or roll solo with a smart companion, you’ll need to cover each other, sync perks, and time every push to survive.

You’re here to survive the world. And maybe, break it a little on the way up.

Built for Two

SunderBound thrives on cooperation. Every fight, every revive, every clutch decision is tuned for two. Play side by side in couch co-op, team up online, or go solo with an AI companion who becomes your shadow, matches your pace, and listens to your commands.  However you play, it’s teamwork all the way up.

Grounded Gunplay

Combat in SunderBound is controlled chaos. Cover counts. Timing your rounds could be the difference between death and success. Lock in class combos, split flanks, and execute your pushes with precision. Every room’s a pressure test. If you panic, you’re done. Plan it right, and you make it look easy

Every Floor, a Fight

Each mission is a brutal climb, a shifting sequence of procedurally generated floors packed with ambushes, enemy waves, and high-stakes boss battles. No two missions play exactly the same, with different paths, enemy spawns, and gameplay-changing perks. Learn fast. Push harder. Climb smarter.

Define your PlayStyle

Upgrade your characters and build your loadout your way: earn, buy, or craft gear that fits you. Weapons, perks, and augments sharpen your build with every step. Create synergies with your teammate, opening new tactical possibilities. It’s progression with purpose, every upgrade adds impact, precision and momentum.

A Broken World That Bleeds Style

Forget chrome and clean lines. This tower is brutalist, broken, and boiling with tension. Cracked concrete, busted wiring, and flickering warnings paint every floor. You’ll push through steam-choked factories, collapsed medical bays, and decayed corporate labs. It’s gritty, dense, and worn in the best way.

Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable

Minimum:

  • OS: Windows 10
  • Processor: Intel Core i3-12100F or AMD Ryzen 5 5500
  • Memory: 8 GB RAM
  • Graphics: Intel Arc A580 or GeForce RTX 3050 or Radeon RX 6600
  • DirectX: Version 11
  • Storage: 10 GB available space

Recommended:

  • OS: Windows 11
  • Processor: Intel Core i5-13400F or AMD Ryzen 5 7600
  • Memory: 16 GB RAM
  • Graphics: Intel Arc B580 or GeForce RTX 4060 or Radeon RX 7600
  • DirectX: Version 11
  • Storage: 10 GB available space
  • Additional Notes: Broadband Internet connection
Historical low
Price history from official stores
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FAQ

8 questions

Before you start looking for a cheap SunderBound key, check the essentials. Developed by Kipi Interactive. Published by Kipi Interactive. PC released date: Coming Soon. Genres: Action, Indie, RPG. Categories: Multi-player, Remote Play Together, Family Sharing, Co-op, Single-player, Full controller support, Shared/Split Screen Co-op, Shared/Split Screen, Online Co-op.

Q

Where to buy a cheap SunderBound Steam key?

SunderBound is free to play! Download it on Steam and start playing instantly.

SunderBound is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find SunderBound on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, SunderBound is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. SunderBound has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks SunderBound as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

SunderBound does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best SunderBound deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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