htoL#NiQ: The Firefly Diary

htoL#NiQ: The Firefly Diary is a 2D puzzle-adventure from Nippon Ichi Software that puts you in indirect control of Mion, a young girl who wakes up alone in a crumbling, monster-filled labyrinth with no memory of how she got there. You never move Mion directly. Instead, you control two fireflies: a light firefly that Mion follows across the surface world, and a shadow firefly that you slide through background darkness to activate switches, clear obstacles, and solve environmental puzzles. The mechanical split between surface and shadow layers is the game's core idea, and it is genuinely clever on paper. As a strategy-and-sim reviewer I normally live for systems that reward careful observation and planning. This game has that in small doses. Reading a room, figuring out which shadow path lets you flip a lever before a patrol enemy cycles back, then timing Mion's movement through the gap, those moments work. The puzzle design is modest in scope but occasionally sharp, and the hand-drawn art and wordless storytelling create an atmosphere that very few games in this genre bother to build. The shadow vignette sequences, which reveal Mion's fragmented memories, are genuinely unsettling in a way that feels earned rather than gratuitous. Here is where the spreadsheet honesty has to kick in. The controls, even on PC, are sluggish. Moving the shadow firefly through cramped geometry feels like dragging a cursor through wet concrete. Mion's pathfinding is unreliable, and because a single enemy contact resets you to a checkpoint, sloppy controls translate directly into repeated deaths that feel unfair rather than instructive. The game is short, completionists might see five to seven hours, but it pads that runtime with trial-and-error sequences that punish impatience without rewarding skill growth. There is no difficulty setting, no accessibility option, and the tutorial is basically nonexistent. That last point matters: this is not a game that respects your time as a newcomer or as a veteran. The Steam review spread (mixed, around 69% positive) reflects a real divide. Players who connect with the melancholy aesthetic and can tolerate the control friction tend to find it memorable. Players who need mechanical feedback loops or a sense of forward momentum will bounce off it within the first hour. There is no mod ecosystem to speak of, no replayability hooks, and the PC port adds nothing meaningful over the handheld original. If you are drawn in by Nippon Ichi's reputation for dense, system-heavy titles, this is one of their outliers, it is a mood piece wearing a puzzle game's clothes, and it executes the mood better than the puzzles. Diego, Scout Team