Spectra
A to-do app where AI turns a single note into structured tasks and suggests reminders.


A to-do app where AI turns a single note into structured tasks and suggests reminders.


A Mac menu bar monitor where a capybara eats carrots faster as your CPU gets busier.
Enter your salary and work hours and watch what you've earned today tick up every second while the screen fills like water as the day goes on. No account, no ads. What you enter stays on your device.

A read-only viewer with no ads and no account that shows PDF, PPTX, DOCX, XLSX, HWP and other formats across 16 types, marking where you left off with a ribbon.


Write one line describing a scene and AI draws it at 1024×1024. No account, no subscription, and the images stay in your device's photo library.


Write down what you did today and AI splits it into the day's good news, setting the closing price of your personal stock. No sign-up, and what you wrote is never stored.


The customer side — collect stamps at the shops you frequent and redeem coupons.


The owner side — register your shop and design your own stamp and coupon rules.


A web and app experience that makes the deep meaning of Buddhist scripture easier and more approachable.

An AI fortune-telling app where five perspectives — Four Pillars, I Ching, tarot, runes, and astrology — answer one question together.

A reaction-speed survival game: when the signal appears, tap before the ring closes. Rushing, missing, or hesitating all end the run instantly, and red targets must be left alone. Playable in the browser, no install.

A life-simulation game about surviving 252 trading days in a virtual stock market.

A prompt-injection puzzle game where you talk an AI into revealing a password it's forbidden to say.

A single-player deduction game where you talk with 4 AI NPCs to find the liar — or become the liar and fool the AI yourself.

A turn-based alternate-history simulation across 1914, 1936, 1962 and 1989, where an AI generates the world's response to orders you write in plain language.

An idle simulation game where you script trading rules and let them run in a virtual crypto market, trying to survive 365 days.

An esports team manager sim. Read champion counters to win the draft, then issue an order before each of the five in-game judgements to swing the flow. Start in the third division and climb through promotion and playoffs to the Grand Final.


An idle tycoon sim where you grow a two-parameter linear regression into a superintelligence. Tap the core for data, pay server bills to train and level up, and launch unlocked services for revenue. A live opinion feed reacts to every move and rivals challenge you to benchmarks.


A retro one-on-one space shooter where the sun's gravity pulls on ships and bullets alike. No server, no account.

An ASMR jump game where you climb a 30-floor honey tower on soft wax platforms, with a squish sound and haptic feedback on every step. No account; progress is saved only on your device.


A survivor-like roguelite where you hold out for a 20-minute night against hordes of Korean folklore ghosts on Mt. Jiri. Move with one hand while attacks fire automatically, and evolve weapons with a dokkaebi club. No account.


A 2D top-down extraction shooter: enter a closed military zone, loot supply crates, fight AI scavengers, and get out alive. Die and you lose the gear you carried in. No account, no ads, no in-app purchases.

A courtroom defense sim where an AI judge and prosecutor react in real time as you defend the accused in your own words. The verdict is decided by the game's rules; the AI only plays the lines. Korean only. No login, no ads, no purchases. Coming soon.


A one-tap arcade game where you roll a tiny droplet along an endless zigzag path. Tap to turn, hit the exact center of a corner for a Perfect turn, and keep moving as the path crumbles behind you. Coming soon.

A block puzzle where clearing a row flips gravity. Pieces spill the other way and chain into more clears. No account needed. Coming soon.

A one-tap timing game starring a duck on a Dano festival swing. Tap to let go as the swing peaks and land on the next platform — dead center scores a Perfect. No account, plays offline. Coming soon.

An ASMR cleaning game where you plunge, scrub and spray clogged drains until the water gushes through. Short stages, no account needed. Coming soon.

A brain puzzle that bends one rule of classic card matching: every time you find a pair, the remaining cards swap places as if in a mirror. No account, plays offline. Coming soon.

Five heroes, five dice. A turn-based dice battler where you reroll twice a turn and fight through eight battles to the dungeon general. No account needed. Coming soon.


Janggi, but you get to cheat. Rule-breaking cards let pawns step diagonally and horses ignore blockers as you fight through eight stages and a final general. A Korean chess roguelike. No account needed. Coming soon.


A Three Kingdoms scouting manager sim: use your intel network to scout generals, sign them through negotiation, and battle for the top of a four-faction league with automatic 3x2 formation combat. No ads, no in-app purchases. Coming soon.


A one-handed top-down action roguelike RPG. Combine skills and swap weapons to break through a five-floor dungeon rebuilt every run, then face the Soul of the King. No account, ads or purchases. Coming soon.

A courier-route management sim: link the relay stations of Joseon's eight provinces with your finger to carry official letters, military supplies, royal tributes and officials. Pick a settlement card at the end of each day to grow your network. No account, ads or purchases. Coming soon.


A logic puzzle about Korean seating etiquette: read the head seat, the lowest seat, seniority and every guest's wishes to find the arrangement that satisfies everyone. A new Seat of the Day every day. No account, ads or purchases. Coming soon.


A cozy restoration game: rub away mold, stains, tears and fading from damaged old photos with your finger, and watch sepia turn back into color as each photo's story opens. No account, ads or purchases. Coming soon.


A god sandbox: watch a bread civilization living in a lump of dough on a cutting board and step in with the finger of god. 16-bit pixel art. No account, ads or purchases. Coming soon.


Want to talk about a product, a partnership, or a new idea?
Start a project inquiry