Key art for Deckbuilder Fantasy

Game review

Deckbuilder Fantasy

5 / 10

Developer
Dr. Cyril Splutterworth
Publisher
Dr. Cyril Splutterworth
Released
14 March 2026
Platforms
Windows
Genre
Strategy / Free To Play
Monetisation
Free to play
Players
Single-player

The short version

Deckbuilder Fantasy is a free roguelike deckbuilder built solo in RPG Maker with a card-battle plugin, sending players down a branching path of fights, shops, and card upgrades toward a final boss. Developed and published solo by Dr. Cyril Splutterworth, it released 14 March 2026 at no cost. Its review sample is genuinely impressed that one person built this at all, but a detailed, heavily upvoted critique argues the card math underneath doesn't actually hold together, and several other reviewers separately confirm the run is both too easy and over in well under an hour.

Biggest strengths

  • This review's sample repeatedly credits the technical accomplishment of building this at all, with one reviewer who has personal RPG Maker development experience calling it 'quite technically impressive' for a solo hobby project, given the engine 'is NOT built for this kind of game'
  • This review's sample frames the game well as an entry point for genre newcomers specifically, with one reviewer suggesting it 'would work best as an entry level tutorial game to dip your toes into the genre' and would 'excel in that sense with a mite more polish'
  • This review checked the store's own DLC listing and confirmed the free base campaign is exactly what several reviewers describe, a complete, if short, standalone loop, rather than a stripped-down teaser missing content that's actually available elsewhere on the store right now

Biggest weaknesses

  • This review's sample includes one detailed, heavily upvoted critical review arguing the game's card math doesn't hold together at a fundamental level, citing specific examples: an armor-piercing card that's pointless because enemies start without armor, area-damage cards that rarely matter because most fights are one-on-one, and a damage-reduction card and a much weaker debuff card that cost the same to acquire
  • This review's sample includes multiple independent reports of runs becoming trivially easy well before the end, with one reviewer building 'a full infinite' combo within fifteen minutes and another describing card-upgrading as making the player 'almost invincible,' corroborating the balance critique above from a different angle
  • This review's sample repeatedly flags controls and interface friction traceable to the RPG Maker engine itself, describing the UI as 'atrocious' and controls as 'confusing at times,' including a specific complaint that the game 'lacks an ability to cancel an accidental input'

Who it's for: Total newcomers to the roguelike deckbuilder genre looking for a free, low-stakes on-ramp, or curious RPG Maker hobbyists interested in what the engine can be pushed to do; a poor fit for anyone who wants the kind of build-crafting depth or balance genre veterans expect from Slay the Spire or Monster Train.

Our recommendation: Worth a free hour if you're curious about the concept or new to the genre, but temper expectations for balance, polish, and length, and note that its promised expansion content hasn't shipped yet.

5 / 10

Deckbuilder Fantasy sends players down a branching path of card-based fights, shops, and upgrade choices toward a final boss, the familiar shape of the roguelike deckbuilder genre popularized by games like Slay the Spire, built here entirely in RPG Maker with a card-battle plugin. It's developed and published solo by Dr. Cyril Splutterworth and released 14 March 2026 as a free-to-play title. This review draws on all 15 reviews in the game's full all-language total, and is upfront that no achievement data or developer post-launch history exists for this release to corroborate against.

An impressive technical feat for one person, engine limits and all

More than one reviewer in this sample brings direct RPG Maker development experience to their assessment, and the verdict is respect for the attempt even where the execution falls short. One such reviewer calls the game "quite technically impressive" precisely because RPG Maker "is NOT built for this kind of game," crediting the developer for pushing an engine designed for turn-based JRPGs into card-battle territory at all, even while flagging the resulting interface problems that decision creates.

A reasonable, if unpolished, entry point for genre newcomers

Several reviewers frame the game's simplicity as a feature for a specific audience rather than a flaw across the board. One reviewer explicitly suggests it "would work best as an entry level tutorial game to dip your toes into the genre," and describes finishing it "effortlessly in one go" despite not being especially skilled at the genre themselves, a low-stakes way to learn deckbuilder fundamentals before moving on to something with more depth.

A detailed, heavily upvoted critique of the underlying card math

The most substantial review in this sample, and the most upvoted, argues the game's central promise, letting players build satisfying "broken" combos, doesn't actually hold up under its own numbers. It gives specific examples: armor-piercing cards that are pointless because enemies start every fight without armor, area-damage cards that rarely matter because most encounters are one-on-one, and a card that reduces incoming damage by a fixed amount priced identically to a much weaker debuff card. Whether or not every detail lands, it's a substantive, specific critique rather than a vague complaint, and this review found no counter-argument addressing those particular points anywhere else in the sample.

Other reviewers independently confirm the same balance problem

That detailed critique doesn't stand alone. A separate reviewer with direct RPG Maker experience reports assembling "a full infinite" combo within about fifteen minutes of play, and a Spanish-language reviewer separately notes that upgrading cards makes the player "almost invincible" well before the run's end. Three independent reviewers converging on the same underlying balance issue, from different angles and in different languages, is a stronger signal than any one of these complaints alone.

Interface friction that traces directly back to the engine

Beyond balance, this review's sample repeatedly flags control and interface problems, describing the UI as "atrocious" and controls as "confusing at times," including a specific complaint that the game "lacks an ability to cancel an accidental input," a real usability gap for a game built around deliberate card choices. This review checked the store's own accessibility feature flags directly and found every one of them, including basics like resizable UI and keyboard-only play, set to false, consistent with an engine and interface that wasn't built with these concerns in mind.

Short, easy, and short on evidence it will grow soon

Multiple reviewers separately cite runtimes around 40 minutes to an hour, and describe the difficulty as too low to provide much tension. Several ask for more content, "more levels and heroes soon," in the words of one reviewer, but this review checked the store's own DLC listing directly and found the answer as of this review: the one expansion pack currently associated with this game, "Elvenglade," is still listed as "Coming soon" and has not yet released. What's playable today is genuinely the entire game for now, not a preview of something larger already available.

A minimal footprint even by this lane's usual standards

This review checked for global achievement data and found none exists, confirmed directly against the store page, which lists no Steam Achievements category at all, and checked the developer's partner-events feed, which returned zero posts, no pre-launch announcement, no post-launch patch notes, nothing. That's a thinner footprint than any other release this lane has covered, and it means this review has less than the usual amount of independent data to weigh against the review sample's specific complaints.

One reviewer's honest complication worth naming directly

This review's sample also includes an unusual case worth flagging for transparency: one negative review states outright that it was left not because the game itself is bad, but because a Steam review-prompt button malfunctioned and the reviewer couldn't defer leaving feedback until they'd actually finished, calling the situation unfair to the developer in their own words even as they left a thumbs-down. It's a reminder that a small sample like this one can carry noise unrelated to the game itself, and this review treats that specific vote as unreliable evidence of the game's actual quality even though it counts toward the store's official tally.

Verdict

Deckbuilder Fantasy is a genuinely notable solo technical effort, an entire card-battle roguelike built inside an engine that wasn't designed for it, and its review sample gives real credit for that. But a specific, well-argued critique of its underlying card balance is echoed independently by multiple other reviewers from different angles, the interface carries real friction traceable to its engine, and there's no achievement or developer-history data available to offset any of it. It costs nothing, which buys real goodwill in this review's sample, but goodwill isn't the same as the game working as designed.

Pros and cons

Pros

  • This review's sample repeatedly credits the technical accomplishment of building this at all, with one reviewer who has personal RPG Maker development experience calling it 'quite technically impressive' for a solo hobby project, given the engine 'is NOT built for this kind of game'
  • This review's sample frames the game well as an entry point for genre newcomers specifically, with one reviewer suggesting it 'would work best as an entry level tutorial game to dip your toes into the genre' and would 'excel in that sense with a mite more polish'
  • This review checked the store's own DLC listing and confirmed the free base campaign is exactly what several reviewers describe, a complete, if short, standalone loop, rather than a stripped-down teaser missing content that's actually available elsewhere on the store right now
  • This review's sample repeatedly and explicitly forgives the game's rough edges specifically because it costs nothing, with multiple reviewers stating some version of 'it's free, so nothing to complain about,' a fairer standard than this lane applies to paid releases with the same issues

Cons

  • This review's sample includes one detailed, heavily upvoted critical review arguing the game's card math doesn't hold together at a fundamental level, citing specific examples: an armor-piercing card that's pointless because enemies start without armor, area-damage cards that rarely matter because most fights are one-on-one, and a damage-reduction card and a much weaker debuff card that cost the same to acquire
  • This review's sample includes multiple independent reports of runs becoming trivially easy well before the end, with one reviewer building 'a full infinite' combo within fifteen minutes and another describing card-upgrading as making the player 'almost invincible,' corroborating the balance critique above from a different angle
  • This review's sample repeatedly flags controls and interface friction traceable to the RPG Maker engine itself, describing the UI as 'atrocious' and controls as 'confusing at times,' including a specific complaint that the game 'lacks an ability to cancel an accidental input'
  • This review checked for global achievement data and a partner-events development history and found neither exists for this title at all, a real limit on how much this review can independently corroborate beyond the review sample itself, and itself a sign of how minimal this release's footprint is even by this lane's usual solo-indie standards

Category scores

Category scores are the reviewer's read on each area. They inform the overall score but do not average into it — the number at the top of the page is a judgement, not a calculation.

  • Gameplay 4.5 / 10
  • Value 7 / 10
  • Originality 5 / 10
  • Accessibility 3.5 / 10