Quantum QuacksGames
PC · Web · iPhonePhysics platformers and party games for PC, the web and phones.
Bouncing to the TopSteam · coming soon
Murder My FriendsWeb & iPhone · free
Party FrogsIn development
We make , and you need.
Quantum Quacks is an independent studio in Spain. We make our own games and apps, and build whatever our clients need, made to measure. 10 App Store launches in 2026.
Hover the coloured words to see the matching work light up below.
Game · Coming to Steam
Bouncing to the Top
A physics platformer where one wrong bounce sends you back to the bottom.
App · New in September
10App Store launches in 2026iPhone and Android · Swift · Kotlin Dalmaji
Korean for your trip, on iPhone and Android.
Made to measure · Live
App
Kotomaji
Game · Play free
Murder My Friends
Made to measure · In development
Hi, I'm Luis.
I run the studio. Read my note →
One studio,
three kinds of work
Games we design and publish ourselves, apps people take on their travels and to their driving exams, and made-to-measure work for clients, whatever they need.
Apps
Swift · KotlinOffline phrasebooks for Japan, China and Korea, Spanish driving-test trainers and small tools for iPhone and Android.
Made to measure
For clientsAnything a client needs, designed and built to fit: race registrations, online shops, portfolios, admin panels.
GRIP ClubRace registrations · live- Atlas&YouOnline shop · in development
Isabel García MarínArtist portfolio · live
All the work
Game
Bouncing to the Top
A physics platformer where one wrong bounce sends you back to the bottom.
Steam · Windows & MacComing soon
Game
Murder My Friends
A social deduction party game with secret targets and everyday objects as weapons.
Web · iPhoneFree
Game
Party Frogs
A local party game for 1 to 8 players, made in Godot.
Windows · MacIn development
App
Dalmaji
Korean for your trip: 340 phrases, Hangul in 30 minutes, a Menu Decoder and a won converter.
iOS · AndroidFree · Pro once
App
Handarin
Mandarin for China: 149 phrases with pinyin, HSK hanzi and a yuan converter.
iOS · AndroidFree · Pro once
App
Kotomaji
Japanese for your trip: phrases with audio, all 1,097 JLPT kanji and a yen converter.
iOS · AndroidFree · Pro once
App
Test DGT Coche B
The Spanish car-licence theory exam: 2,000+ questions and an exam simulator.
iOS · AndroidFree
App
Test DGT Moto
The Spanish A1 and A2 motorcycle exam: 772 questions and an exam mode.
iOS · Android€6.99
App
SweepSheep
Clean your camera roll one swipe at a time, with daily goals.
iOS€2.99
App
Kaeru
A currency converter for 50+ currencies, with widgets and an Apple Watch app.
iOS · watchOS€1.99
App
Worldmarks
Mark every country you have visited on a 3D globe.
iOS€3.99
App
BitacuDrone
A logbook for FPV drone pilots: fleet, flights, batteries and maintenance.
iOSFree
App
FlashSpot
Book a photographer nearby and get your edited photos in minutes.
iOS · Android · WebIn development
Made to measure
GRIP Club
Registrations and admin for an 8-hour endurance race for amateur riders.
gripclub.eventsLive
Made to measure
Atlas&You
An online shop for handmade jewellery made in Spain.
Elixir · Fly.ioIn development
Made to measure
Isabel García Marín
Portfolio and catalogue admin for a contemporary painter.
isabelgarciamarin.esLive
From the devlog
All posts →
A note from Luis
I'm Luis Sebastian Huerta, Senior Software Engineering Manager at Game Strategies. Quantum Quacks is what I build in my free time: our own games and apps, and whatever our clients need, made to measure. Next up is Bouncing to the Top, coming to Steam.
Luis Sebastian, Quantum Quacks
Luis on LinkedIn Quantum Quacks on LinkedIn
10 App Store launches in 20263 games3 client projectsGodot · Swift · Kotlin · Astro · Elixir
Have a project in mind?
Whatever you need, made to measure: a web platform, an online shop, an app or an internal tool. Tell us about it and we'll get back to you.