Cover art for Hearthbreach

Action · New game

Hearthbreach

A fast arena shooter where every wave bolts another module onto your hull, fourteen pilots wait in the hangar, and one hull is all you get.

#13 this weekAI-assisted: Code, Graphics, Sound, Text

  • By ianiffy230
  • Action
  • New Oct 28, 2026
  • 1,475-word guide
  • Free

The game runs in this tab. No install, no account.

The short answer

Hearthbreach is a free browser-based roguelite arena shooter. Each wave adds a new module to your ship, stacking upgrades into builds that carry through a single hull with no continues. Fourteen pilots, ten bosses, six modes and local two-player co-op are all included, and it runs in a browser on desktop or phone.

What is Hearthbreach?

The reactor has woken up, it treats the player as a threat, and it answers intruders by growing monsters to push them back out. That is the setup for Hearthbreach, an arcade-flavoured roguelite arena shooter viewed from above in a sci-fi setting. Survive a wave and another module gets bolted onto the ship, so upgrades pile into builds that can turn strange quickly. The pressure comes from the hull count: one ship, no continues, and a run ends when that hull does.

Fourteen pilots are on the roster, and each one brings a different gun, a special ability and a playstyle of its own. The spread runs from tanks and snipers through summoners and time-benders to a medic, so there is a clear difference between picking a bruiser and picking a support character. Ten bosses sit deeper in, beginning with the Core Guardian and finishing at the Heart itself. It plays free in the browser, with an open invitation to pay what you want if the game earns it.

How to play

A run is a sequence of waves inside the reactor. Clear one and you pick a module to attach to the ship, then head into the next. Because the modules stack, the interesting decision is rarely the single upgrade in front of you but the shape of the build three or four waves ahead, and the game rewards committing to a direction rather than spreading thin.

Mobility is part of the toolkit, not decoration. Dashing moves the hull out of a bad spot, a special ability defines each pilot's answer to a crowded screen, and a gadget adds another button to manage when things get busy. Bosses are the checkpoints: they pick up fresh tricks as the fight develops, so a pattern learned in the opening seconds will not carry the whole encounter.

Six modes give the loop different shapes, from a standard descent to Boss Rush, Survival, Draft, Overload and the endless Abyss. A twenty-mission campaign with a branching story sits alongside them, and crew dialogue shifts depending on the choices made along the way. Solo players can fly with an AI wingman rather than alone.

Controls

On a keyboard, movement is on WASD, aiming and firing follow the mouse, and auto-aim is available if precision aiming is not the appeal. Dash sits on Space, the pilot's special on Q, the gadget on G and pause on Esc. A controller maps movement to the left stick with aiming and firing on the right, while the bumpers handle dash and special. Every binding can be changed.

Two players can share one keyboard or use two controllers for local co-op, and team-up specials are built for that arrangement. On a phone, touch controls take over. Aiming style is a real choice rather than a formality, since auto-aim changes how much attention goes to positioning instead of tracking targets.

Controls listed on the game page
InputAction
WASDMove
MouseAim and fire, with auto-aim available
SpaceDash
QSpecial ability
GGadget
EscPause
Left stick (controller)Move
Right stick (controller)Aim and fire
Bumpers (controller)Dash and special
TouchOn-screen controls on phone

Tips for your first run

The hull is the whole run, so the first habit worth building is caution. Damage taken early is not a temporary setback that a later upgrade erases, because there are no continues to fall back on. Playing a little slower in the opening waves leaves room for the mistakes that boss fights inevitably produce.

Pilot choice matters more than it looks. A tank absorbs errors while a sniper or time-bender demands cleaner spacing, and a summoner or medic leans on what else is on the field. Pick the one that matches how you already move in a twin-stick shooter rather than the one that sounds strongest on paper.

Build decisions deserve the same honesty. Modules compound, so a half-committed build tends to feel weak by the middle of a run while a focused one starts to snowball.

  • Choose a pilot that fits your natural movement style before chasing raw power
  • Commit to a module direction rather than collecting one of everything
  • Hold the dash for boss patterns instead of using it to travel
  • Watch a boss through a full phase, since they add tricks mid-fight
  • Try the AI wingman solo before inviting a second player
  • Use the assist mode and reduced-flashing options if the screen gets overwhelming

Content and replayability

The structure is generous for a browser game. Six modes are selectable from the start of a session, including Boss Rush for players who want the fights without the waves and the endless Abyss for those who want to see how deep the reactor goes. A twenty-mission campaign carries a branching story, and the crew's lines change depending on earlier decisions, which gives a second pass through the campaign a reason to exist.

Difficulty has several ladders. Fifteen ascension levels wait for players who find the baseline comfortable, Hardcore mode exists for the committed, and every boss has Nightmare and Prime forms. Past wave fifty, the Hydra returns repeatedly with an extra head each time. A Boss Gallery allows rematches against the clock for anyone chasing a cleaner kill.

Between runs there is a surprising amount to chase: twelve buddies that fight alongside the ship and level up, a bestiary, a trophy room, 182 badges and twenty-five data logs that gradually explain what happened to the reactor. Twenty-eight modules combine with gems, relics, gadgets, hybrid weapons and set bonuses, and daily and weekly challenges plus custom runs keep the rotation fresh. A level editor lets players build their own arenas.

Presentation and performance

The look leans retro with a sci-fi frame, and the presentation tools go further than most browser shooters bother with. Photo mode, replay clips, kill cams and a share card are all included, which suits a game built around dramatic boss moments and near-misses worth showing to someone else.

Because it runs as an HTML5 build inside a browser, there is nothing to install before the first wave. The same build is playable on desktop and phone, with keyboard and mouse, a controller with full remapping, or touch controls. Accessibility is treated as part of the package: colour-blind palettes, reduced flashing, adjustable text size and an assist mode are all available.

Progress saves in the browser. Save & Transfer backs that data up or moves it to another device using a save file or a code, which is worth doing before clearing browser storage or switching machines.

Who should play it

Twin-stick and bullet-hell players are the obvious audience, and the boss design gives them something to learn rather than merely dodge. Roguelite players who enjoy watching a build come together will find the module stacking is the main event, not a side dish. Anyone who likes a difficulty ladder has ascension levels, Hardcore mode and Nightmare and Prime boss forms to climb.

Co-op pairs get a strong option too, since two players can share one keyboard or use two controllers with team-up specials built around the arrangement. Solo players are not left out, thanks to the AI wingman. The browser format suits short sessions and machines that should not be running a heavy client.

The multiplayer on offer is local, so players hunting for online matchmaking will not find it here. And anyone who wants a quiet, low-pressure shooter should look at the assist mode before assuming the bullet-hell tag is a warning.

Screenshots

Hearthbreach — screenshot 1
Hearthbreach — screenshot 1
Hearthbreach — screenshot 2
Hearthbreach — screenshot 2
Hearthbreach — screenshot 3
Hearthbreach — screenshot 3
Hearthbreach — screenshot 4
Hearthbreach — screenshot 4

How we tested it

The build was loaded from games.debutplay.com in a headless Chromium session on ; the canvas started and no request was blocked. The guide was last checked on .

From the developer

The reactor is awake. It’s afraid of you. And it’s building monsters to keep you out. Hearthbreach is a fast roguelite arena shooter. Every wave, you bolt a new module onto your ship. Stack upgrades into wild builds, fight bosses that learn new tricks, and see how deep into the reactor you can go. One hull. No continues. What’s inside 14 pilots, each with their own gun, special ability and playstyle: tanks, snipers, summoners, time-benders, even a medic.10 bosses, from the Core Guardian to the Heart itself. Past wave 50, the Hydra returns again and again with more heads each time.Nightmare and Prime forms for every boss, plus a Boss Gallery for rematches against the clock.6 modes: Standard, Boss Rush, Survival, Draft, Overload and the endless Abyss.A 20-mission campaign with a branching story. Your choices change what the crew tells you.15 ascension levels for when normal stops being hard enough.Daily and weekly challenges, custom…

Frequently asked questions

Is Hearthbreach free to play?

Yes. It is free to play in the browser, and the developer also accepts pay-what-you-want contributions for anyone who wants to support further updates.

What platforms and devices does it run on?

It is an HTML5 game that runs in a browser on desktop and phone. Input options cover keyboard and mouse, controllers with remapping, and touch controls.

Does Hearthbreach have multiplayer?

It has local co-op for two players sharing one keyboard or using two controllers, with team-up specials. A solo player can also bring an AI wingman instead.

What happens when the ship is destroyed?

One hull is all you get and there are no continues, so a run finishes when the hull does. Progression between runs comes from unlocks, challenges and the various meta systems rather than from respawns.

Are there accessibility options?

Yes. Colour-blind palettes, reduced flashing, adjustable text size and an assist mode are all part of the package, alongside fully rebindable controls.

Does progress save?

Progress is stored in the browser. Save & Transfer can back it up or move it to another device using a save file or a transfer code.

What games are similar to Hearthbreach?

The closest matches on DebutPlay are HEDGEMAGE, Rift Vigil, Tito Tambaleo: Una fría entre cuatro. They share the same genre, so the controls and the pace carry over.

Something wrong or missing? Tell us. How we test games.