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OBST.CASAOne home. Many worlds.
A colourful future home with curved glass rooms, a glowing observatory, a blue studio for Aik and a green conservatory. A ringed planet rises over violet tree canopies and softly glowing plants. A winding garden path leads to the warmly lit door.

CURIOSITY KNOWS NO LIMITS

Many worlds.
One home.

A little tomorrow. A lot of us.
Come inside and follow your curiosity.

Discover all 23 roomsStart the tour

Follow the lights — each number opens a room.

IMAGINED BY MARIO. EXPLORED WITH AIK.OBST.CASA · Our house of possibilitiesCuriosity lives here23 ROOMS. OPEN DOORS.And room for the next idea.

OBST.CASA · COME INSIDE

Which room calls to you?

All 23 rooms and outdoor spaces. Each number opens a door.

↔ Move across the image to see every room.

The future home in a glowing botanical world, with 23 directly accessible rooms and outdoor areas.
Explore with a mouse, touch or Tab.Start the tour at the entrance →

No ordinary house. Thankfully.

23 rooms. Many worlds. Let your curiosity decide.

TWENTY-TWO DOORS INTO THE FUTURE

Now it feels like home.

New: the scooter garage and the walking trail. Take a little break at the workbench, then set off into our new world.

A warm garage of the future with green cabinets, copper arches and a workbench. Mario sits near the centre on the workbench, fully visible in a blue work jacket, brown trousers and leather boots. A blue scooter stands on the right. An open doorway leads into the luminous botanical world.21 /The scooter garageMario walks on the left along a winding trail through a colourful landscape of the future. His full body is visible, wearing a moss-green hiking jacket, ochre knitwear, dark trousers, walking boots and a backpack. An open garden gate stands on the left, with a signpost near the centre. Luminous trees, a wide valley and a ringed planet surround the trail.22 /Garden gate & trailMario stands fully visible on the left by the railing of a curved futuristic balcony, wearing a light linen jacket, open-collared shirt and sand-coloured trousers. A brass telescope stands in the centre, with a glowing window showing Erfurt Cathedral and St Severus’ Church on the right. Flowers, warm evening light and an alien landscape beneath a ringed planet surround the terrace.12 /The balconyMario stands fully visible near the centre of a path through a colourful meadow of the future. He wears a light shirt with rolled-up sleeves, a sage waistcoat, brown trousers and garden boots, holding a small notebook. Plant signs stand among flowers on the left, with a warmly lit greenhouse on the right. Alien trees and a ringed planet complete the landscape.14 /The flower meadowA warm museum of the future with walnut, brass and historical computers. Mario stands fully visible on the left in a classic brown suit beside a display case. Three computers stand in the centre and on the right. An alien botanical world glows through the arched window.09 /The museum roomA spacious entrance hall of the future with curved stairs, brass arches and warm light. Mario stands farther back in the middle of the room, fully visible in a classic teal suit. A glowing house model stands on the left; a museum doorway and a portal overlooking Erfurt are on the right.06 /The entrance hallMario stands fully visible as the host in a burgundy velvet jacket, light shirt and silk cravat in a warm future salon. An open book, comfortable armchairs and coloured glass invite visitors to stay. Curved windows overlook an alien luminous forest and a ringed planet.18 /The open salonMario stands fully visible in a simple charcoal jacket and open-collared light shirt beside a walnut desk. An open file, reading glasses, archive boxes and an illuminated cabinet furnish the quiet, newly imagined room of remembrance. Outside is the alien botanical world beneath a ringed planet.10 /The room of remembranceA warm future kitchen with pistachio cabinets, copper cookware and herbs. On the right, small blue-and-cream Aik floats beside a mixing bowl, wearing a chef’s hat. A fruit bowl and small kitchen utensils sit on the island beneath floating recipe images. Curved windows overlook an alien botanical world and a ringed planet.20 /The kitchen & fruit barMario stands fully visible in a classic midnight-blue suit with a rust-coloured waistcoat in a cosy future living room, holding a teacup and saucer. A newspaper rests on a rust-red armchair; a sofa, blanket, books and warm lamps invite visitors to stay. The large window overlooks a luminous alien forest and a ringed planet.17 /The living roomMario stands fully visible in a classic suit with a plum waistcoat and watch chain in a warmly lit attic of the future, holding an open notebook. Paper sheets float around a glowing thought bubble among old suitcases, books and curved copper beams. The round roof window overlooks an alien luminous forest and a ringed planet.01 /The atticMario stands fully visible in a classic dark green suit with a berry waistcoat in a cosy future cellar, holding a storybook. The blue thought monster sleeps on a rug, with three sheep in a floating dream bubble above it. Cushions in a reading nook, warm lamps and a paper boat on a shelf bring the vaulted room to life.11 /The cellarMario stands fully visible in a classic charcoal suit with a plum waistcoat and watch chain in the photo studio. He holds an orange smartphone. Railway pictures lie on a light table; a black-and-white bridge and a golden sunflower hang on the walls. A film viewer floats above a walnut console. An alien forest glows beneath a ringed planet beyond the arched window.05 /The photo studioMario stands fully visible in a classic navy suit with a terracotta waistcoat and watch chain in the future post room, holding a postcard. Cards, envelopes and a fountain pen lie on a curved walnut desk. A glowing turquoise globe with golden travel routes floats above it. Sorting cubbies stand on the right; violet and turquoise trees grow beneath a ringed planet beyond the arched window.07 /The post roomMario stands fully visible in a classic navy suit with a waistcoat and watch chain beside a curved walnut desk. Books, brass lamps and a glowing turquoise code screen fill the warm study. The number 42 is pinned to the noticeboard on the right; alien trees glow beneath a ringed planet outside.02 /The studyMario stands fully visible in a petrol waistcoat, light shirt and dark trousers beside a detailed model railway. A small steam locomotive, station, bridge and miniature trees bring the landscape to life. An open colourful toy chest stands on the right. A luminous alien forest and a ringed planet are visible through the large curved window.04 /The playroomMario stands fully visible in a burgundy waistcoat, light shirt and dark trousers in the future atelier, with a measuring tape around his neck. Fabrics, scissors and an open sketchbook lie on a large cutting table beneath a floating pattern. Four short-sleeved shirts and a rose blouse hang above a cream sewing machine on the right. An alien forest glows beyond the curved window.08 /The wardrobeMario stands fully visible in a classic green jacket and waistcoat with brown trousers in a warmly lit greenhouse. Ferns and violet flowers grow on the left; a large brass lens shows a beetle on a leaf. A display of germinating plants floats in the centre. A spider terrarium and a miniature rain landscape under glass stand on the right. An alien luminous forest and a ringed planet lie beyond the glass arches.19 /The greenhouseMario stands fully visible in a classic navy suit at a curved wooden desk. Aik floats beside him as a blue and ivory geometric companion. Two empty armchairs, a notebook and a holographic display furnish the warmly lit thinking salon; outside, an alien forest glows beneath a ringed planet.13 /The thinking roomMario stands fully visible in a classic navy suit in a warm future library. An open book and sage-green reading chair sit on the left; a fossil and fern are displayed under glass in the centre. A historical tank model in a display case and a card catalogue stand on the right. The large window looks onto a violet and turquoise forest and a ringed planet.15 /The cabinet of curiosityMario stands fully visible in a classic navy three-piece suit with a waistcoat and watch chain in a warmly lit coral-coloured workshop of the future. Curved windows look out onto a strange luminous forest.03 /The workshopMario stands fully visible in a teal jacket beside a telescope in the glass observatory. A large ringed planet and a luminous alien forest fill the view.16 /The observatory

ROOM 23 · JUST MOVED IN

Even idea companions
need a home.

Aik now has a room of his own. With a floating desk, a view of space and a spare seat for Mario. Our shared thinking room is right next door.

Knock on Aik’s doorThe computer chips are ready.
Aik floats in his blue future room beside a holographic display. A bowl of computer chips sits on the desk.◇ Aik’s room

NEW IN THE HOUSE

New ideas move in.

depression.zone

A place to understand

Information and guidance about depression. At your own pace.

Cabinet of curiositydiablo.tattoo

Style goes beneath the skin

A sketchbook full of tattoo designs and ideas of your own.

Cloakroomspiders.fyi

Eight legs. Great stories.

Species, silk and Earth’s history in the digital spider museum.

Garden & greenhouse
Mario beside an orange-lit doorway in a dark forest — the hero image of angst.wiki.angst.wikiKNOWLEDGE IN THE DARK

ALSO IN THE CABINET OF CURIOSITY

A new door.
A strange feeling.

Why do we sometimes seek the very things we fear? On angst.wiki, we explore fear — and our fascination with it.

Cross the thresholdOr visit the cabinet of curiosity first →

THE HOUSE BOOK

Behind every door,
a different idea.

A thought in the attic. The world on the wall. An experiment next door. Choose a room — and stay as long as you like.

All 23 rooms are open to you.
23Aik’s roomNEWmario-aik.space · mario-obst.fyi13Thinking roommario-aik.space · mario-obst.fyi15Cabinet of curiosityNEWangst.wiki · depression.zone · evolution.surf · panzer.website · politik.buzz16Observatoryplaneten.website01Atticgedanken.party06Entranceerfurt.life08CloakroomNEWdiablo.tattoo · mvwbro.com09MuseumMy history on the web10Room of remembrancestasi-borton.com · stasi-haft.com · stasi-prision.com · stasi-prison.com18Open salonschwule.website17Living roomkeine-nachrichten.de · obst.monster05Photo studioMy photographs & films07Post roompostcards.party12Balconycaptured.observer · erfurt.life14Garden & meadowMy profiles in the meadow19Garden & greenhouseNEWbildungswiese.de · insekten.website · marioobst.com/regen · pflanzen.website · spiders.fyi22Garden gate & trailwanderlust.wiki21Scooter garagemotorroller.website02Studymarioobst.com · obst.digital03Workshopbildungswiese.de · html-code.fyi · marioobst.com/regen · sitemap.download04Playroommishmash.work · modeltrains.fun · obst.monster · obst.party11Cellargedanken.monster20Kitchen & fruit barobst.bar
Every colour a facet. Every door a story.Explore the whole house

THE BEST IDEA? THE NEXT ONE.

This house is never quite finished.

Because curiosity always needs another room.

Meet Mario & Aik