ggook's studioNew browser game: Flag Quiz
Guess the flags of all 195 countries across 39 levels, from famous flags to tricky look-alikes like Chad and Romania. Play it free in your browser, in English and Korean.
Flag Quiz →News
New browser game: Capital Quiz
Match 193 countries with their capital cities across 38 levels, or flip it and name the country from its capital. Countries with more than one capital come with a short note.
Capital Quiz →Korean Word Quiz 1.6.0: a fresh look and 30,000+ words
Korean Word Quiz has a cleaner home screen, a calmer quiz screen, dark mode and a new icon. We also added 2,233 new reviewed words, for 30,242 words in total.
Korean Word Quiz →Learn Korean – Hangul 2.0: rebuilt from the ground up
The app has been rebuilt to be faster and smoother, and it works fully offline. It now has 2,400 basic words, dark mode, a new look on phones and tablets and a new icon. Your quiz stars carry over.
Learn Korean – Hangul →World History Quiz 1.2.0: a new look
World History Quiz has a new icon and a redesigned look: color-coded era menus, numbered stage tiles, overall progress on the home screen and a 3-star rating on the result screen.
World History Quiz →Pass or Splash is out on Google Play
Our new one-finger puzzle game is here. A wall full of holes is rushing toward you: solve the puzzle, slide into the right hole and stay dry through 100 stages in five worlds.
Pass or Splash →Our new website
All our games now have their own pages here, in English and Korean, along with news, support and the studio story.
Hilltop Roll 1.0.1: music and sound
Hilltop Roll now has music and sound effects: whooshes, touchdowns, rising chimes for perfect combos and more. Turn music and sound on or off separately in Settings.
Hilltop Roll →Bust Below: Idle Cop Tycoon is out on Google Play
Our new idle game is here. A crime ring has taken over an underground mall, and your cops head in on their own to bust the crooks and bring the bounty home, even while you're away.
Bust Below: Idle Cop Tycoon →Hilltop Roll is out on Google Play
Our new one-finger rolling game is here. Hold to race down the hills, lift your finger to fly over the gaps, and see how far you can roll.
Hilltop Roll →