Gunstoppable Black Hole Gun

The Black Hole Gun is Gunstoppable’s signature crowd-control weapon—a momentum roguelite tool that turns incoming damage into offensive payoff. Introduced in Patch 22 ahead of the August 2026 Steam launch, the black hole launcher absorbs enemy fire, grows the singularity with each hit taken, and eventually explodes, echoing accumulated damage back to nearby targets. CAGE Studios marketed the weapon alongside Fluffy the Giant Robot Crab in the official demo launch trailer above, and community runs quickly proved the loop scales with speed, dual-wield stagger, and manual Reaper Mode bursts.

This guide covers the absorb-grow-explode cycle, recommended dual-wield combos, hex attachments and augments from Patch 22, boss-specific notes versus Fluffy the Crab and Johnny Jetpack, and honest loadout caveats: every run rolls different augments, so treat tables below as templates—not gospel.

Patch 22 context

Patch 22 shipped the Black Hole Gun as a headline demo addition. Official patch notes framed it as a risk-reward weapon: you want enemies to shoot the growing singularity because stored damage amplifies the eventual detonation. That design fits Gunstoppable’s speed fantasy—you stay mobile while the hole tanks pressure you’d otherwise parry or dodge.

Post-launch Patch 26 refined broader combat feel (speed now scales attack and reload speed in addition to raw damage), which indirectly buffs black-hole setups that rely on fast secondary weapons covering reload windows. Re-read Movement and Momentum if you learned the gun during earliest demo slices.

Gunstoppable Official Demo Launch Trailer

Core loop: absorb, grow, explode

Phase	What happens	Player goal
Deploy	Launch singularity projectile; hole anchors in arena	Place between you and shooters
Absorb	Incoming damage feeds the hole	Bait missiles and bullet hell into the core
Grow	Visual scale and stored damage increase	Keep moving so Fenix doesn’t eat stray hits
Detonate	Explosion echoes absorbed damage	Trigger during add waves or Reaper slow time

Unlike pure DPS weapons, the Black Hole Gun rewards tempo. A premature pop wastes stored energy; holding too long risks the hole expiring or Fenix eating direct hits while camping. Best players treat detonation like a manual Reaper decision—fire when density peaks.

Dual-wield pairings

Black holes excel as the control hand while a fast secondary maintains momentum multiplier uptime.

Secondary	Role	Why it works
Space pistols	Safe stagger	Constant fire during hole growth; reload while singularity tanks
SMG	Add clear	Shreds drones during missile phases on Fluffy
Crossbow	Boss poke	Pierce elites while hole absorbs frontal volleys
Handgun	Mid-range	Low animation lock; pairs with elevated catwalk strafing
Katana	Melee hybrid	Parry into hole placement for melee-heavy rooms

Avoid double slow-reload primaries unless augments fix cadence—see Starter Builds for reload-stagger fundamentals.

Reaper Mode synergy

Manual Reaper on Q (keyboard) or B (controller) is non-negotiable since Patch 24. Black Hole Gun shines inside slow time:

1. Grow the hole during pre-Reaper add waves.
2. Activate Reaper when the singularity reaches critical mass.
3. Detonate inside slow time, then use the pause to reposition onto walls or rails.
4. Finish survivors with your secondary before speed multiplier decays.

Full Reaper math lives on Reaper Mode. Black holes do not pause momentum gain entirely—plan your post-detonation grapple before activating.

Patch 22 hex attachments (community-era names)

Official Patch 22 introduced several attachment labels players still cite in loadout threads. Availability varies by run—Kane inventories and floor drops differ every attempt.

Attachment	Reported effect	Placement tip
Supply Hook	Utility tethering / sustain adjacent perks	Place near reload augments if offered
Proximity Burst	Shorter fuse, bigger close detonation	High-risk on Fluffy pincer phases
Satellite Scope	Extended control at range	Catwalk fights with overhead missile geometry
Stat Repeater	Echoes stat modifiers to neighbors	Core piece for hex synergy grids
Mimic Mod	Copies adjacent augment behavior	Experimental—verify adjacency rules in attachments guide

Always rearrange at Kane the Rat when offered a safe shop—static grids leave DPS on the table.

Patch 22 augments (community-era names)

Augment	Synergy note
Killing Spree	Kill-speed snowball after detonations
The Executioner	Finishers on low-health targets post-explosion
First Strike	Opening burst bonus when entering rooms hot
Clank Magnet	Pulls robotic adds—strong in city and dock arenas
Unstoppable Combo	Extends combo windows for Reaper setup

Names come from official Patch 22 patch-note vocabulary; exact hex colors and neighbor bonuses still depend on your run seed. Cross-check Synergy Guide before forcing a meme grid.

Boss notes: Fluffy vs Johnny

Fluffy the Giant Robot Crab (Robot Crab guide) is the poster child for Black Hole Gun value. Missile salvos feed growth safely if you anchor the hole between catwalks and floor lanes. Launch reviews recommend high-ground positioning so missiles clip ceiling geometry—combine that with a forward-placed singularity to absorb lateral volleys.

Johnny Jetpack (boss guide) punishes static elevation. Black holes still clear add drones during jetpack strafe phases, but keep Fenix moving—Johnny pursues vertical campers. Prefer pistols or crossbow secondary for aerial tracking.

Common mistakes

• Camping the hole — speed equals damage; idle sniping weakens detonation payoff.
• Early detonation — wastes absorbed damage during light add phases.
• No secondary stagger — both hands tied to slow black-hole cadence.
• Ignoring Reaper timing — detonate outside slow time when density already cleared.
• Copying creator grids blindly — augments differ every run.

Related pages

• Weapons Hub — full arsenal index
• Dual-Wield Combos — pair selection
• Attachments & Augments — hex grid rules
• Fluffy the Crab — missile high-ground tech
• Reaper Mode — manual slow-time bursts

The Black Hole Gun is not a lazy win button—it is a planning weapon. Absorb with intention, grow with movement, explode with Reaper discipline, and let echo damage finish what speed started.