Shio is a precision platformer that takes a relatively simple movement concept and develops it into a demanding journey built around timing, momentum, and persistence. Developed by Coconut Island Studio and published by Coconut Island Games, it puts players in control of a mysterious masked character traveling through a beautiful but dangerous world. Rather than relying on combat or complicated abilities, the game concentrates heavily on movement, making every successful sequence of jumps feel like a small victory earned through practice. The most distinctive element is its lantern-based platforming. Lanterns scattered throughout the stages allow the protagonist to gain additional height and momentum while airborne, essentially turning them into stepping stones suspended in dangerous spaces. Early encounters introduce the mechanic gently enough, but the level design soon expects players to chain several lantern interactions together while simultaneously avoiding environmental hazards. Timing a jump slightly too early or approaching a lantern from the wrong position can ruin an entire sequence, so learning how movement behaves is essential. This creates a satisfying rhythm once the mechanics begin to click. Difficult sections initially feel like puzzles that need to be understood before they can be executed properly. Each failure reveals something useful, whether it is the correct moment to jump, the direction momentum should carry the character, or the safest route between hazards. Repeated attempts can certainly become frustrating, particularly during longer sequences where one small mistake sends the player back, but overcoming these obstacles provides the kind of satisfaction that defines a good precision platformer. The world is divided into four chapters, and changes in scenery and weather help prevent the journey from feeling visually repetitive. Environmental conditions can also contribute to the challenges rather than existing purely for decoration. The stages steadily introduce more elaborate combinations of hazards, demanding increasingly accurate movement as progress continues. Shio does not need conventional enemies to maintain pressure because the environment itself effectively becomes the antagonist. Dangerous surfaces, traps, gaps, and difficult lantern arrangements provide more than enough opposition. There is also a surprisingly mysterious narrative beneath the platforming. The masked protagonist is not immediately explained, and much of his background is deliberately left for the player to uncover. Hidden rooms scattered around the world provide additional pieces of information, rewarding players who explore instead of focusing exclusively on reaching the next checkpoint. This approach works well because it keeps storytelling from constantly interrupting the platforming. Players primarily interested in mechanical challenges can continue forward, while those curious about the character and world have an incentive to investigate less obvious areas. The presentation gives the experience much of its personality. Its environments can appear calm and almost dreamlike even when they contain extremely punishing obstacles. That contrast between peaceful scenery and demanding gameplay creates a distinctive atmosphere. Music also changes between chapters and complements the mood of each environment. Since difficult sections may require numerous attempts, having an appealing visual and musical backdrop makes repetition easier to tolerate. Shio is nevertheless designed for players who are comfortable with failure. Anyone expecting a relaxed platforming adventure may be surprised by how quickly the difficulty escalates. There are moments when completing a sequence requires several precise inputs in succession, leaving very little room for improvisation. Players who dislike repeating sections could find this exhausting. Conversely, those who enjoy learning a difficult route and eventually performing it almost perfectly will find the challenge much more rewarding. The controls are understandable, but mastering their application is the real test. Additional secrets and achievements give completion-focused players reasons to thoroughly explore the stages and revisit challenges. The game works particularly well for players who enjoy improving their execution because returning to an earlier area after developing better movement skills can make previously intimidating sections feel dramatically easier. That visible improvement provides a satisfying sense of progression even without traditional character upgrades. Steam Deck compatibility is officially listed as Unknown or Unverified rather than carrying a formal Verified or Playable rating. The game's platforming-oriented design and controller-friendly nature make it conceptually suited to handheld play, but the absence of an official compatibility rating means players should not assume that every aspect of the experience has been validated specifically for Steam Deck. Overall, Shio is an impressive example of how a focused mechanic can support an entire platforming adventure when the levels are constructed around it carefully. Lantern-assisted movement gives the game its identity, while environmental hazards, hidden areas, atmospheric scenery, changing conditions, and understated storytelling keep the experience from becoming a straightforward collection of jumping challenges. Its unforgiving nature will not suit everyone, but players who appreciate precision, repetition, and the satisfaction of finally conquering a seemingly impossible sequence should find plenty to enjoy. Shio combines challenging precision platforming with atmospheric presentation and an inventive lantern mechanic, creating a rewarding adventure for patient players willing to learn from repeated failure. Rating: 8/10