Sixtar Gate: STARTRAIL

I put a couple of sessions into Sixtar Gate: STARTRAIL and the first thing that hit me was not the space backdrop or the anime mascot Shii waving at me from the science vessel Ausflug. It was the sound. The original compositions from artists like Sound Souler, KARUT, and yomoha sit in that specific electronic register that makes your fingers want to move before your brain has caught up, and that instinct is exactly what the game is built around. The core design is a vertical-scrolling keyboard rhythm game with one trick that separates it from a straight DJMAX clone: the gate system. You start a song in either Lunar Mode (4-key layout) or Solar Mode (6-key layout), and at certain points in the track the center lane physically opens or closes, briefly expanding your active keys to 5 or 7. That might sound like a gimmick, but the charts are written to treat the gate moments as genuine compositional beats. When the lane snaps open during a chorus drop, the added key feels earned rather than arbitrary. Transitions between key counts are smooth, with no perceptible input lag, which matters enormously when a missed frame can break a streak you have spent two minutes building. Solar Mode also adds red notes on the outer columns, which demand a separate finger assignment and push experienced players toward the kind of split-concentration that hardcore IIDX fans chase. Lunar Mode, by contrast, is a legitimate on-ramp. If you are migrating from 4-key games like Muse Dash or plain osu!mania, Lunar gives you the mechanical language without dropping you into the deep end. Difficulty tiers carry their own cosmetic naming: Comet for easy, Nova for normal, Super Nova for hard, and the gated STARLIGHT charts unlock only after completing the Senior 3 License Test. The License Test mode itself chains three songs together without a restart midpoint, which is a sharp commitment wall for casual players. Unity Quest offers a multiplayer component where you can see other players' scores populating in real time alongside your own run, and that ambient social presence gives solo sessions a low-key community feeling without forcing full co-op obligations. The customization suite is genuinely deep: note speed, judgment windows, visual skins, colorblind assists. The game does not hold your hand through any of it, and the tutorial only covers the surface. New players will be doing some archaeology in menus and Discord threads to understand everything on offer, which is a recurring criticism the community has leveled since early access. The story wrapper is thin. Shii is charming as a mascot and the space-exploration framing gives the menus a cohesive aesthetic, but an Adventure Mode with real narrative content was still listed as in development at the time of the PC 1.0 launch. Do not come for lore. Come for the feeling of reading a dense 7-key chart at speed and landing a clean S rank when you were sure you had blown it three notes earlier. The Steam user reception sits solidly positive, which for a keyboard-native rhythm game with this level of mechanical specificity is a meaningful signal. This is a small developer building something with the precision of a passion project, and the gap between its mechanical ambitions and its narrative scaffolding is the only thing keeping it from standing alongside the genre's best. Kai, Scout Team