Stealth-first extraction
Noise, sightlines, and timing matter more than brute force.
NullFusion / Battery Heist
Battery Heist
Top-down stealth extraction roguelite where energy is currency, time, and survival.
Infiltrate hostile facilities, steal high-value power tech, and extract before the grid locks down and the city's security wakes up.
Solo-built core, AI-assisted pipeline, polished with targeted freelance help when needed.
Gameplay Loop
Five beats, one extraction clock. Every second matters.
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01
Choose a job
Pick a target site with risks and rewards.
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02
Infiltrate
Slip through sensors, patrols, and locked zones.
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03
Steal power tech
Grab battery modules, cores, and rare components.
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04
Escape the shutdown
Security escalates, routes collapse, time becomes expensive.
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05
Upgrade & adapt
Invest Credits, unlock perks, push deeper next run.
Key Features
Stealth, pressure, and power economy tuned into one loop.
Escalating security
The longer you stay, the smarter the facility becomes.
Energy economy
Every action has a cost - move fast, plan cleaner.
Zones & perks
Capture new districts to unlock persistent bonuses.
Roguelite runs
Risk, reward, and meaningful choices every attempt.
Ion Haven world
Corporate grid wars where blackouts become leverage.
Ion Haven
Ion Haven is a near-future industrial sprawl built on battery farms, storage towers, and corporate control. Blackouts aren't accidents - they're negotiations. Everyone trades in power. You don't negotiate. You steal what keeps the city alive and disappear into the dark.
World Signal
Energy is the only honest currency.
Core Systems
Energy and advantage flow through every decision.
AMP
Raw life-energy - the clock that never stops.
Credits
Digital accounting units backed by a slice of AMP value.
Perks
Persistent upgrades earned by bold runs and smart exits.
Zones
Captured areas that open new routes, bonuses, and shortcuts.
Media
Stills from the grid. The glow is always real.
Quiet entry. Loud exit.
Energy is the only honest currency.
One more room... and the alarms learn your name.
A new zone captured - new perk unlocked.
Roadmap / Devlog
Milestones without dates. Momentum without noise.
More facility types and security behaviors.
Expanded perk tree and meta progression.
Additional gadgets and stealth tools.
More contracts, objectives, and run modifiers.
UI/UX polish + game feel pass.
Press Kit
For creators and press: screenshots, logo pack, short description, and factsheet.
- Genre
- Top-down stealth extraction roguelite
- Platform
- PC (Steam, itch.io)
- Developer
- NullFusion
- Contact
- hello@nullfusion.com
About NullFusion
NullFusion is a small independent team focused on tight game loops, readable systems, and industrial-noir worlds. We build fast, test early, and ship what feels good.
hello@nullfusion.comFAQ
Short answers, clear scope.
A top-down stealth extraction roguelite with an energy-based economy.
Yes, designed as a focused single-player experience.
Prototype builds may be available on itch.io.
PC first; additional platforms depend on traction.
Yes - streaming and videos are welcome.
Energy Signal
Lock the wishlist. Cut the power.
Stay in the loop and get early access beats as we expand the stealth kit.