Debugging Hero

Debugging Hero

Released May 2025

As the Debugging Hero chosen by the Legendary Sword, you have gained the ability to manipulate character variables! Use this powerful ability to overcome the dungeons blocking your path and defeat the Demon Lord!

87% positive · 312 reviews
Not yet
Released, but still in active development
Medium confidence
Active Development
Not yet
Released, but still in active development
Medium confidence
Active Development

Where to buy

Steam $9.99
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Evaluation

Debugging Hero launched on May 30, 2025 and has been actively developed since release. The solo developer at Team ETTU has shipped three major free updates: a mid-stage save system and cutscene improvements (August 8, 2025), an item and balance patch (October 3, 2025), and a substantial Codex + New Game+ overhaul (December 4, 2025). Surrounding these were more than a dozen smaller feature and quality-of-life patches throughout the summer and fall of 2025. In June 2025, the developer stated they were "carefully planning next steps" focusing on level design, quality-of-life features, and difficulty balance — and then delivered on those plans through the subsequent months. As of early 2026, Team ETTU's focus appears to have shifted significantly toward a sequel: "The Demon Party" was announced on March 30, 2026 and its Steam store page went live on June 3, 2026. The sequel is described as a roguelite action game continuing the story after Debugging Hero, featuring a new protagonist. The developer credited player support for enabling them to focus on this development. This suggests that while Debugging Hero has received substantial post-launch content, the team's primary development energy is now directed at the new game rather than further major updates to Debugging Hero.
Evidence
Major update adds Codex systems for items and characters, New Game+ mode, and Variable Card mechanic overhaul.
news post · Dec 4, 2025 source content shipped
high
Major update adds mid-stage save system, game over screen with run statistics, and cutscene system improvements.
news post · Aug 8, 2025 source content shipped
high

Content

1 of 1 released · no outstanding content

Media

Details

Developer
Publisher
Team ETTU
Achievements
30
Platform
Windows
Controller
—
Steam Deck
Playable
Players
Single-player

About this game

As the Debugging Hero chosen by the Legendary Sword, you have gained the ability to manipulate character variables!

With your variable manipulation abilities, you can enhance your stats such as attack power and speed.

Not only that, but you can also set a monster's HP to zero for an instant kill or alter its hostility to turn it into an ally.

Use this powerful ability to overcome the dungeons blocking your path and defeat the Demon Lord!

Utilize variable manipulation cards composed of operators and numerical values to directly alter character stats.

  • Addition Card: Boost your attack power or recover lost health.

  • Subtraction Card: Weaken the enemy's stats or reduce their health.

  • Multiplication Card: Greatly amplify critical stats to turn the tide of battle in your favor.

By creatively using variable cards, you can drastically reduce trap delay and boost their power to turn them against enemies, or even reduce incoming projectile damage to zero.

Design your combat strategies using variable cards in various ways!

Once you've created advantageous situations using variable manipulation, it's time to take on your enemies directly!

Feel the satisfying impact of combat and defeat all the foes that stand in your way!

Game items come with unique special effects, and some rare items even unlock the ability to manipulate additional stats beyond the basics.

  • Drastically increase your movement speed or reduce the boss monster's speed to zero.

  • Manipulate hostility to turn enemies into allies.

  • Add new stats like stun damage to incapacitate monsters in combat.

Combine the unique effects of various items to create your own strategies and enjoy thrilling battles like never before!

Last evaluated Jun 18, 2026
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