Independent iPhone game studio
Small games.
A world of sound.
Hum a little magic. Say the answer out loud. Follow a sound somewhere new.
Made for curious minds, big and small.
Three small worlds. Three ways to play.
✳ Your voice. Your ears. Your next move.No accounts. No ads.Available for iPhone.
Meet the games
Which world calls to you?
A voice, a word, a tiny change in sound.
Sometimes that’s all an adventure needs.

A little magic, made by you
01 / Hum
Vocal GlideSinging & humming games
A little hum. A little magic.
Singing games where your voice becomes the controller. Hum to guide a fairy, bloom a garden, and fill a moonlit world with colour.
- Pitch-controlled play
- Five experiences
- 1–5 minutes or Endless

Step into the puzzle garden
02 / Speak
Mumble AloudCzech speaking & vocabulary games
Say it messy. Keep going.
Practise Czech words out loud through number, picture and memory puzzles. Follow a clue, find the word, and say your answer. You can also play in English or Italian.
- Spoken-answer puzzles
- Three answer languages
- Short game rounds

Find the melody in Serpent Song
03 / Listen
Echo BiomesEar training & listening games
Every sound leads somewhere.
Ear training through small listening games. Follow a fennec, remember a melody, and discover what the night is singing.
- Five listening games
- A world of natural sounds
- Day & night discoveries
Find your kind of play
Start with a little curiosity.
Hum.
For a voice-led adventure, or a few quiet notes in a garden.
Vocal Glide ↗Speak.
For turning words you recognise into answers you say out loud.
Mumble Aloud ↗Listen.
For spotting a small difference and discovering where it leads.
Echo Biomes ↗A small independent studio
A playful use for the senses.
We make games where sound does something. It moves a character, reveals a clue, or turns a remembered word into your next move.
Meet Exricel Studios ↗Play comes first
Characters, discoveries, and small reasons to try again. Each game has its own kind of challenge.
Room for everyone’s curiosity
Enjoy a game on your own or take turns with family. Choose an experience that fits your voice, language, and listening setup.
Simple, respectful choices
No accounts or ads. Clear access terms and a privacy page for every game.