Slice of Sea

Beautiful, Stubborn, and Utterly Uninterested in Helping You

by Mateusz Skutnik

Adventure gameSteam$24.99

Reviewed by the Rankeno RPG & Adventure DeskUpdated Oct 2026

Slice of Sea is an Adventure game for Steam. Solid, but only for the audience it was built for: buy it if a notebook already lives next to the keyboard. It scores 7.0 out of 10 — Good.

7.0Good#479 of 597 Adventure games

How it scored How we score

  • Design8.0
  • Innovation6.0
  • Value6.5
  • Utility6.0

In one line

Mateusz Skutnik hand-inked every frame of this melancholy point-and-click, and it shows in the best and worst ways — a gorgeous, unhurried adventure that treats patience as a design assumption rather than a resource to be managed.

Released Nov 11, 2021

The verdict

Solid, but only for the audience it was built for: buy it if a notebook already lives next to the keyboard.

What we liked

  • Striking hand-inked art — among the more distinctive-looking 2D adventures of its generation
  • Fair, well-constructed environmental puzzles that reward observation over trial-and-error
  • Large, freely explorable world with satisfying long-range interconnection
  • Disciplined audio design; Thumpmonks and Cat Jahnke both earn their place
  • No combat, timers, or fail states — the calm is real, not marketing
  • Solid Steam housekeeping: Cloud saves, 18 achievements, 22 languages

What could be better

  • No map, no journal, no hints — navigation friction pushes many players to walkthroughs
  • Abrupt ending that fails to pay off the emotional buildup
  • Requires literal pen-and-paper note-taking; no in-game record of clues
  • $24.99 felt steep relative to length for a meaningful slice of buyers
  • Monochrome palette actively worsens room-to-room orientation
  • Desk-bound control scheme; poor fit for handheld or controller play

Is it for you?

Best for

  • Submachine veterans and Flash-era adventure survivors. This is the full-fat, paid, uncompromised version of what you already love. An easy recommendation.
  • Players who treat puzzle games as reading exercises — the sort who enjoy filling a notebook with symbols and cross-referencing it three sessions later.
  • Art-first buyers. If you'd buy an illustrated art book at this price, you're getting the book plus a game attached.
  • Anyone burned out on systems-heavy games who wants something with no numbers, no economy, and no way to lose.

More reviewed in Adventure

Overview

There’s a specific kind of developer who survives a platform apocalypse. When Adobe pulled the plug on Flash in December 2020, an entire generation of browser-based adventure games effectively evaporated — thousands of small, weird, personal works that had no business model, no storefront, and no exit strategy. Mateusz Skutnik, the Polish comic artist behind the long-running Submachine series, was one of the few who made it to the other side with his voice intact. Slice of Sea, released 11 November 2021 on Steam at $24.99, is what that crossing looks like: a full-priced, standalone, entirely hand-drawn adventure that carries the DNA of a free Flash puzzle box into premium territory.

You play as Seaweed, a small sea creature clanking around inside metal armor, stranded in a place called Daymare — a dust-choked expanse of ruined architecture and half-comprehensible machinery, about as far from the ocean as a thing can get. The objective is not layered or ironic. You want to go home. That’s it. There is no combat, there are no timers, and there are no fail states. The game cannot kill you, scold you, or rush you.

Commercially, this is a niche product and it knows it. That gap is the whole story of Skutnik’s career in miniature: passionately loved by the people who find him, structurally invisible to everyone else. Slice of Sea isn’t competing with Return to Monkey Island or Broken Sword. It’s competing for the attention of people who already know what a Skutnik room feels like, and who consider “you’ll probably need a notepad” a selling point rather than a warning label. On that narrow battlefield, it holds its own. Outside it, the game does almost nothing to make its case.

Key features

  • Fully hand-drawn ink-on-paper art: Every screen was physically drawn, not filtered or shader-faked. The near-monochrome result gives the world a printed, illustrative weight that no amount of procedural texturing replicates.
  • A very large, freely explorable world: Dozens upon dozens of distinct screens, open to wander far earlier than most adventure games permit, with progress gated by understanding rather than by keys and doors.
  • Long-range environmental puzzles: Multi-step mechanical locks whose solutions are frequently painted into scenery you walked past four rooms ago. Observation is the core verb.
  • Hybrid keyboard-and-mouse control: Movement on the keyboard, interaction on the mouse — an unusual split for the genre, and one that meaningfully changes the feel of traversal.
  • Ambient score by Thumpmonks, theme song by Cat Jahnke: Sparse, low, atmospheric, and mixed to sit under the silence rather than fill it.
  • Platform housekeeping: 18 Steam achievements, Steam Cloud saves, and localization into 22 languages.

Analysis

The Gameplay Loop

The loop here is simple on the surface and quietly brutal underneath: look, walk, remember, connect. You enter a screen. You scan it — not casually, but the way you’d scan a printed illustration for a hidden object. You find a symbol, a notch count, a colored marking, a lever position. You carry that forward, sometimes across a dozen rooms, until you hit the mechanism it belongs to.

What separates this from lazy adventure design is that Skutnik is scrupulously fair about it. The information is always on screen, always visible, always drawn with the same care as decorative detail. That’s precisely why it’s so easy to miss. The game refuses to visually privilege the meaningful over the atmospheric — a wall pattern that’s pure texture and a wall pattern that’s a five-digit combination are rendered in the same ink, at the same weight. This is a deliberate design position, and it’s an honest one. It also means that a player who treats backgrounds as backgrounds will be hopelessly stuck before long.

Inventory puzzles are conventional in structure — find object, apply object — but restrained in quantity. Skutnik isn’t building a combinatorial nightmare where you rub every item against every hotspot. The real puzzle mass sits in the environmental logic: sequences, orientations, and multi-stage machinery that must be operated in a specific order derived from evidence gathered elsewhere.

Onboarding Friction

Here’s where the criticism lands, and it lands hard. Slice of Sea has almost no onboarding. There is no journal, no quest log, no map, no hint system, no gentle nudge when you’ve been circling the same four rooms for half an hour. The game hands you a world and a wordless creature and steps back.

For a certain player, that’s the entire appeal — the sensation of being genuinely lost in a place that doesn’t care about you is the aesthetic payload. For a larger number of players, based on the review record, it curdles into tedium. The most common complaint across Steam and Metacritic isn’t that the puzzles are unfair; it’s that the navigation is. Without a map, in a monochrome world of visually similar ruined corridors, “I know what to do but I can’t remember where the thing is” becomes the dominant failure state. That’s not difficulty. That’s friction masquerading as difficulty, and it’s the one place where Skutnik’s minimalism overreaches. An optional, unlockable map — or even a screen-capture pinboard — would have cost nothing thematically and saved a meaningful chunk of the audience from reaching for a walkthrough.

Pacing and Structure

The absence of fail states is doing more work than it appears. Because you cannot lose, the game’s only tension is epistemic: does this place make sense yet? Skutnik paces that well for most of the run. Areas open in overlapping waves, and the moment where three separate half-understood mechanisms suddenly resolve into one system is the kind of unlock adventure games have been chasing since Myst.

Then it ends. Abruptly. This comes up repeatedly in user reviews and it’s a legitimate structural flaw. After hours of patient accumulation, the conclusion arrives without the tonal escalation the buildup earns. The final stretch doesn’t crescendo so much as stop, and for a game whose entire pitch is the emotional weight of getting home, undercooking the arrival is a real miss. It doesn’t retroactively ruin the journey. It does leave the last taste flatter than it should be.

Note-Taking as a Mechanic

Let’s be direct about what this game actually asks of you: it expects you to take notes on paper. Not metaphorically. Literally. There is no in-game system for recording the symbols and sequences the puzzles require, and the volume of information exceeds what most people will hold in working memory across a multi-session playthrough. In 2021, shipping a puzzle game that outsources its state tracking to the player’s stationery is a choice — a defensible, old-school, arguably purist choice, but a choice that quietly excludes anyone playing in short bursts or on a laptop on a train. Know that going in.

Visuals & performance

This is the reason to buy the game, and it’s not close.

Every frame is drawn by hand in ink on paper. Not “hand-drawn aesthetic.” Not a brush-stroke shader over vector art. Physical ink, scanned and assembled, with all the tonal inconsistency and organic line-weight variation that implies. The result is that individual screens function as standalone illustrations — the kind of thing that survives being screenshotted, cropped, and hung on a wall. Skutnik is a working comic artist, and the compositional discipline shows: strong silhouettes, deep receding architecture, negative space used with real confidence.

The near-monochrome palette is both the game’s greatest asset and the direct cause of its worst usability problem. Aesthetically, it unifies everything into a single coherent, dust-dry world. Functionally, it strips out the color-coding that adventure games traditionally use to signal this corridor is not that corridor. The visual identity and the navigational confusion are the same design decision wearing two hats.

The Thumpmonks score is restrained to the point of near-absence for long stretches, which is correct — it lets the ambient design carry the loneliness. Cat Jahnke’s theme song is the one moment of overt emotional signposting in an otherwise reserved production, and it works precisely because it’s rationed.

Technically, there’s little to worry about: a 2D adventure built on hand-drawn plates is light on modern hardware by design. Steam Cloud saves are supported, and the 18 achievements are mostly progression markers rather than obtuse collectibles.

Platform nuances

Steam is the only place this exists, and the control scheme is the notable wrinkle. Movement is keyboard, interaction is mouse — a split that will feel immediately wrong to anyone raised on click-to-move adventures where the mouse does everything.

Push past that first impression. The split is actually the better design for this specific game. Because traversal is direct rather than pathfound, walking becomes a continuous act of looking rather than a series of destination commands, and that’s exactly the behavior the puzzles depend on. The mouse stays free to hover and probe while you’re in motion. It’s a small ergonomic decision that meaningfully supports the core loop.

The trade-off: this is firmly a desk game. There’s no controller-first experience worth having here, no Deck-native comfort in the hybrid scheme, and no sensible touch adaptation. The 22-language localization is generous for a solo developer’s project and does real work in reaching the European and Latin American audiences where Skutnik’s Flash-era following is concentrated — though with so little text in the game, its practical impact is smaller than the number suggests.

Final verdict

Slice of Sea is the work of an artist who knew exactly what he wanted and declined to compromise on any of it — including the parts he probably should have. The ink-on-paper craft is not a gimmick; it’s a convincingly hand-drawn world, and Skutnik’s compositional instincts as a comics illustrator translate to game space better than they have any right to. The puzzle design is honest, the atmosphere is unforced, and the decision to strip out every failure condition produces a different texture of play — one where the only thing at stake is your own comprehension.

But the same purism that produces the beauty produces the tedium. A game this large, this visually uniform, and this silent needed one concession to orientation, and it makes none. The result is that a substantial share of its players report the same experience: awe, followed by a stall, followed by a browser tab with a walkthrough in it. That’s a design failure, not a player failure. Pair it with an ending that arrives before it’s earned, and you have a work that falls short of the classic its art suggests it could have been.

It’s still a good game, and a beautiful one within its niche. Just go in knowing that the game will not meet you halfway — and bring the notebook.

Reviewed by the Rankeno RPG & Adventure Desk. Scores are out of 10; the overall score is the desk’s editorial judgement, informed by the four sub-scores above. How we review

Your rating for Slice of Sea:
Was this helpful?

Are you the developer of Slice of Sea?

Submit for review or ask about a placement. Paid $49 · expedited $149

Submit your product
Embed this score badge on your site

Embed this review badge

Paste this snippet on your site to show your Rankeno score. The link back to rankeno.com is a normal followed link — no redirect, no ad tracking.

Quick facts

Developer
Mateusz Skutnik
Released
Nov 11, 2021
Platform
Steam
Price
$24.99
Genres
Adventure, Indie

Questions about Slice of Sea

Is Slice of Sea worth it?

Slice of Sea is the work of an artist who knew exactly what he wanted and declined to compromise on any of it — including the parts he probably should have. Our editors scored Slice of Sea 7.0 out of 10, which puts it in our Good band.

Why does Slice of Sea score 7.0 out of 10?

With a score of 7.0 out of 10, Slice of Sea lands in our Good band. Design is its strongest category at 8.0 out of 10. Innovation is the weakest at 6.0.

What do our editors like most about Slice of Sea?

Striking hand-inked art — among the more distinctive-looking 2D adventures of its generation. Fair, well-constructed environmental puzzles that reward observation over trial-and-error.

What do our editors say is Slice of Sea's biggest weakness?

No map, no journal, no hints — navigation friction pushes many players to walkthroughs. Abrupt ending that fails to pay off the emotional buildup.

If you liked Slice of Sea

Similar picks our editors rate highly.

Get our verdicts weekly

One email a week with our newest reviews and the top-ranked picks across apps and games.

We use your email only for this weekly roundup. See our privacy policy.