Compare Er-Spectro prices across trusted key stores and find the best deal. Developed by TheDreik. Published by Phoenix Reborn Games. Released on 12/28/2017. Available on PC. Genres: Action, Indie.

Seven bosses, one health bar, zero checkpoints: Er-Spectro is the kind of micro-arcade experiment that earns its keep in a single sitting, if you can stomach the pressure.

I have a soft spot for the smallest games on Steam, the ones with a 10 MB install footprint and a single developer credit, because sometimes they distill something pure that a 40-hour blockbuster forgets to include. Er-Spectro by TheDreik is exactly that kind of curiosity. It is a radial, top-down bullet-hell shooter built around one clean premise: work through seven bosses, absorb a new ability from each one you defeat, and try to survive on a single shared health bar from start to finish. No continues. No mid-run checkpoints. If the last boss clips you too many times, you feel the full weight of every choice you made in the rooms before it. The progression loop is the most interesting thing here. Each of the seven bosses hands you a new ability when you put it down, which means your ship's behavior shifts meaningfully across the run. That is a smart design instinct for a game this short, because it keeps the first hour from feeling flat and gives you something to anticipate between encounters. The three enemy types that fill the space between boss fights are thin, but they serve their purpose as pressure tests before the main events. The radial layout, where you orbit or hold position while patterns rotate around you, gives the whole thing a slightly hypnotic quality that distinguishes it from a straight vertical scroller. The honest limitations are easy to name. The content ceiling is low. Three enemy variants is not much variety, and once you have mapped the boss patterns in your head, replayability rests almost entirely on the leaderboard and your personal best score rather than any systemic depth. There is no narrative to speak of, the title screen to credits pipeline is thin, and players who want a full shmup campaign with stage variety and a branching structure will bounce off this immediately. This is a score-chaser, not a story, and it knows that. Where I find myself defending it is in the craft of constraint. TheDreik built something complete within very deliberate limits. The single health bar across the whole game creates a tension that a more generous checkpoint system would dissolve. The ability-per-boss structure gives the run a small arc. The pixel art and 2D arcade aesthetic are coherent, not thrown together. For a solo developer release from late 2017, the intentionality shows. Controller support is included, which is the correct choice for a genre that wants analog pressure and tactile feedback. I would not pitch this to someone looking for their next obsession. But if you appreciate the kind of micro-game that respects your time, plays in one or two sessions, and has a clean mechanical idea executed without clutter, Er-Spectro is worth the few minutes it takes to decide whether it clicks for you. The leaderboard gives it a faint competitive heartbeat for those who want to chase numbers, and the ten achievements give completionists a small checklist to work through. Kai, Scout Team

Er-Spectro

Er-Spectro

Dec 28, 2017TheDreikPhoenix Reborn Games
GamerScout Says

Seven bosses, one health bar, zero checkpoints: Er-Spectro is the kind of micro-arcade experiment that earns its keep in a single sitting, if you can stomach the pressure.

PC
Best Price Available
€0.17
at Kinguin
Lowest tracked: €0.16
Track this price

GamerScout Verdict

Worth a single session for score-chasers and micro-arcade fans, but too content-light for anyone wanting campaign depth.

Compare Prices(5 stores)

KinguinBest price
StandardGlobalSteam KeyKey
€0.17
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€0.43-57%
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€0.54
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€0.99
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€1.07-21%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€3.99
Priced in EUR by the store
Buy

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Price History

Lowest tracked
€0.163 Aug 2026
Current best
€0.17
Keyshops
€0.15€0.19€0.23€0.276 Jun29 Jun23 Jul15 Aug7 Sept
6 Jun — 7 Sept
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Screenshots & Media

About Er-Spectro

I have a soft spot for the smallest games on Steam, the ones with a 10 MB install footprint and a single developer credit, because sometimes they distill something pure that a 40-hour blockbuster forgets to include. Er-Spectro by TheDreik is exactly that kind of curiosity. It is a radial, top-down bullet-hell shooter built around one clean premise: work through seven bosses, absorb a new ability from each one you defeat, and try to survive on a single shared health bar from start to finish. No continues. No mid-run checkpoints. If the last boss clips you too many times, you feel the full weight of every choice you made in the rooms before it. The progression loop is the most interesting thing here. Each of the seven bosses hands you a new ability when you put it down, which means your ship's behavior shifts meaningfully across the run. That is a smart design instinct for a game this short, because it keeps the first hour from feeling flat and gives you something to anticipate between encounters. The three enemy types that fill the space between boss fights are thin, but they serve their purpose as pressure tests before the main events. The radial layout, where you orbit or hold position while patterns rotate around you, gives the whole thing a slightly hypnotic quality that distinguishes it from a straight vertical scroller. The honest limitations are easy to name. The content ceiling is low. Three enemy variants is not much variety, and once you have mapped the boss patterns in your head, replayability rests almost entirely on the leaderboard and your personal best score rather than any systemic depth. There is no narrative to speak of, the title screen to credits pipeline is thin, and players who want a full shmup campaign with stage variety and a branching structure will bounce off this immediately. This is a score-chaser, not a story, and it knows that. Where I find myself defending it is in the craft of constraint. TheDreik built something complete within very deliberate limits. The single health bar across the whole game creates a tension that a more generous checkpoint system would dissolve. The ability-per-boss structure gives the run a small arc. The pixel art and 2D arcade aesthetic are coherent, not thrown together. For a solo developer release from late 2017, the intentionality shows. Controller support is included, which is the correct choice for a genre that wants analog pressure and tactile feedback. I would not pitch this to someone looking for their next obsession. But if you appreciate the kind of micro-game that respects your time, plays in one or two sessions, and has a clean mechanical idea executed without clutter, Er-Spectro is worth the few minutes it takes to decide whether it clicks for you. The leaderboard gives it a faint competitive heartbeat for those who want to chase numbers, and the ten achievements give completionists a small checklist to work through.

Kai
Kai · Scout Team

Indie & narrative

Tags

singleplayerachievementscontroller-supporttier:sub-5Radial ShooterBoss RushAbility AbsorptionOne-Life RunScore AttackMicro-ArcadeSolo Dev

System Requirements

Minimum

OS
Windows XP
Memory
256 MB RAM
DirectX
Version 9.0c
Storage
10 MB available space
Graphics
64MB VRAM
Processor
1.0 GHz
Sound Card
Any

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Game Info

Developer
TheDreik
Publisher
Phoenix Reborn Games
Release Date
Dec 28, 2017

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Frequently asked questions about Er-Spectro

How much does Er-Spectro cost?

As of 7 September 2026, the cheapest in-stock offer for Er-Spectro is €0.17 at Kinguin, out of 6 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy Er-Spectro cheapest?

The lowest in-stock price we track for Er-Spectro is €0.17 at Kinguin (7 September 2026). We compare 6 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is Er-Spectro available on?

Er-Spectro is available on PC.

When was Er-Spectro released?

Er-Spectro was released on 28 December 2017.

Who developed Er-Spectro?

Er-Spectro was developed by TheDreik and published by Phoenix Reborn Games.