Blood Vial shipped on Steam on May 4. Solo developer Dillon Steyl built it, self-published it, and priced it under $4.
Key Takeaways
- Blood Vial launched May 4, 2026 — solo developer, self-published
- Micro-FPS roguelite where swimming through enemy blood refills your health and enables wall-running
- Inspired by Post Void, Splatoon, and Ultrakill
- Procedurally generated crypts and cathedrals
- 100% positive on Steam at launch (28 reviews)
- 15% introductory discount runs until May 11
What Happened
Blood Vial launched on May 4 with a mechanic that earns its title. Your health is a vial that leaks constantly. The only recovery method: swim through blood left behind by defeated enemies.
That sounds like a resource-management twist on survival. It's also a traversal system. Blood sprays onto floors, walls, and ceilings during combat. Swimming through a blood-coated wall lets you run it. A blood-splattered grate becomes a surface you can climb or a gap you can cross. The game ties health management and movement to the same action — holding distance costs you health, pushing in earns it.
Dillon Steyl cites Post Void, Splatoon, and Ultrakill as primary influences. Post Void is the clearest parallel: a tightly scoped FPS built around resource anxiety and fast decisions. The Splatoon connection is the fluid-traversal concept — ink swimming, moved to blood and to a crypt. Ultrakill sits in there as the design ancestor: refill health through aggression, not retreat. Blood Vial adds a verticality layer neither Post Void nor Ultrakill has.
Between levels, players seal sacred pacts — chosen upgrades that stack across a run. Starting weapons are a shotgun and revolver, with additional options unlocking through play. Levels generate procedurally across crypt and cathedral environments. Steam Leaderboards track scores between runs.
At launch, all 28 Steam reviews are positive. The 15% introductory discount expires May 11. The base price holds under $4 after that.
Why It Matters
Solo-developer FPS releases with a coherent mechanical identity are not common at this price point. Blood Vial's central idea is clear: one mechanic runs both health and movement. Players who know Post Void will understand the pitch immediately, and the blood-swimming mechanic is different enough that it's not just a reskin.
The procedurally generated structure raises the question of run variety over time. At 28 reviews, the sample is too small to assess replayability with confidence. What the launch score does confirm: the core mechanic works for the players who have tried it.
For context on where the boomer shooter revival stands in 2026, our MOUSE: P.I. For Hire review covers the genre's other standout release this year — a different execution on a similar stripped-down FPS premise. For roguelite context, the best roguelike games in 2026 covers where short-run format fits the current field. If you've been tracking recent indie roguelite launches, Gambonanza also dropped this week with a different approach to the replayability question.
Frequently Asked Questions
What is Blood Vial? Blood Vial is a retro micro-FPS on Steam developed and published by solo developer Dillon Steyl. Your health is a leaking vial you refill by swimming through blood left behind by defeated enemies. That same swimming mechanic also doubles as traversal — climbing walls, crossing gaps, and moving through grates coated in enemy blood.
Who made Blood Vial? Blood Vial was built and self-published by Dillon Steyl as a solo developer. It released on May 4, 2026.
What does the blood-diving mechanic do? Swimming through enemy blood refills your leaking health vial. The mechanic also works as traversal — blood that splashes onto walls and ceilings lets you run vertical surfaces, cross gaps, and navigate through grates. Health management and movement are the same action.
What games inspired Blood Vial? Dillon Steyl names Post Void, Splatoon, and Ultrakill. Post Void is the clearest parallel — a fast, resource-pressured FPS stripped to its core. The Splatoon connection is using fluid as a traversal medium. Ultrakill contributes the philosophy of refilling health through aggression rather than retreat.
How much does Blood Vial cost? Blood Vial launched under $4 with a 15% introductory discount running until May 11, 2026. It is designed as a short, focused experience.
Does Blood Vial have multiplayer? No — Blood Vial is single-player only. Steam Leaderboards allow score comparison between runs.
