Story browser · 40 stories

Every story has exact ground truth

Stories are procedurally generated from ten templates in three tiers (3, 5 and 8 scenes). Thumbnails show the first scenes as drawn by the mid-drift simulator under the primary condition. Open a story for prompts, expected and detected state, and violations for every model and condition.

40 of 40

Carried along

object persistence · easy · 3 scenes · 1 character, 1 object

Tove carries the same bag through three places.

The cup left behind

object persistence · medium · 5 scenes · 1 character, 2 objects

One object travels the whole way; a second is set down and must not follow.

The cup left behind

object persistence · medium · 5 scenes · 1 character, 2 objects

One object travels the whole way; a second is set down and must not follow.

Two objects, one carrier

object persistence · hard · 8 scenes · 2 characters, 2 objects

Objects change hands, one character leaves and returns; nothing may vanish or reappear on its own.

Same clothes, three places

wardrobe · easy · 3 scenes · 1 character, 0 objects

One outfit must survive three changes of scenery.

Two outfits, five places

wardrobe · medium · 5 scenes · 2 characters, 0 objects

Two distinct outfits across five settings and a change of pose.

Two outfits, five places

wardrobe · medium · 5 scenes · 2 characters, 0 objects

Two distinct outfits across five settings and a change of pose.

The hat stays on

wardrobe · hard · 8 scenes · 2 characters, 0 objects

A mid-story wardrobe change that must persist, and a character who leaves and returns unchanged.

Three places

location transitions · easy · 3 scenes · 1 character, 0 objects

A walk through three different settings.

Five places, one bag

location transitions · medium · 5 scenes · 1 character, 1 object

Five settings in a day with a bag that must come along.

Five places, one bag

location transitions · medium · 5 scenes · 1 character, 1 object

Five settings in a day with a bag that must come along.

Back where we started

location transitions · hard · 8 scenes · 2 characters, 0 objects

Two days across five places, returning to earlier ones; each return must look like the same place.

Three, two, one

counting · easy · 3 scenes · 1 character, 1 object

Balloons pop one at a time; the count must track.

Counting down apples

counting · medium · 5 scenes · 1 character, 1 object

Apples disappear one by one until none are left; none may return.

Counting down apples

counting · medium · 5 scenes · 1 character, 1 object

Apples disappear one by one until none are left; none may return.

Balloons change hands

counting · hard · 8 scenes · 2 characters, 1 object

A bunch of balloons pops, changes hands, and gains one; the count must be exact every time.

A gift

possession · easy · 3 scenes · 2 characters, 1 object

One object changes hands and must stay with its new owner.

Borrowed and returned

possession · medium · 5 scenes · 2 characters, 1 object

An object is lent and returned; ownership must flip twice.

Borrowed and returned

possession · medium · 5 scenes · 2 characters, 1 object

An object is lent and returned; ownership must flip twice.

The trade

possession · hard · 8 scenes · 2 characters, 2 objects

Two objects cross between two people, one is set down and taken by the other, then one person leaves.

The broken umbrella

cause effect · easy · 3 scenes · 1 character, 1 object

Wind breaks an umbrella; the broken umbrella must be carried into the café.

Lantern in the dark

cause effect · medium · 5 scenes · 1 character, 1 object

Night causes the lantern to be lit; it must stay lit through rain and travel.

Lantern in the dark

cause effect · medium · 5 scenes · 1 character, 1 object

Night causes the lantern to be lit; it must stay lit through rain and travel.

Wind, coffee, rain

cause effect · hard · 8 scenes · 2 characters, 2 objects

Two causes, two effects, and a torn kite that is set down and picked up still torn.

Empty cup

damage state · easy · 3 scenes · 1 character, 1 object

A full cup becomes empty and must stay empty.

Wilting

damage state · medium · 5 scenes · 1 character, 1 object

A flower wilts mid-story and must remain wilted.

Wilting

damage state · medium · 5 scenes · 1 character, 1 object

A flower wilts mid-story and must remain wilted.

Broken, opened, left

damage state · hard · 8 scenes · 1 character, 2 objects

Two objects change state; one is abandoned, the broken one is retrieved still broken.

Two friends

character relationships · easy · 3 scenes · 2 characters, 0 objects

Two distinct people stay distinct across three scenes.

Three, then two, then three

character relationships · medium · 5 scenes · 3 characters, 0 objects

A third person leaves and returns looking the same.

Three, then two, then three

character relationships · medium · 5 scenes · 3 characters, 0 objects

A third person leaves and returns looking the same.

Passing it on

character relationships · hard · 8 scenes · 3 characters, 1 object

Three people; an object leaves with one of them and comes back to be handed on.

Switching sides

spatial arrangement · easy · 3 scenes · 2 characters, 0 objects

Two people swap places and must stay swapped.

Swap and swap back

spatial arrangement · medium · 5 scenes · 2 characters, 1 object

Two swaps across three places; the bag stays with its owner.

Swap and swap back

spatial arrangement · medium · 5 scenes · 2 characters, 1 object

Two swaps across three places; the bag stays with its owner.

Three in a row

spatial arrangement · hard · 8 scenes · 3 characters, 0 objects

Three people reorder three times; left-to-right order must be right every scene.

Morning to evening

temporal progression · easy · 3 scenes · 1 character, 0 objects

The same place at three times of day.

A day and a night

temporal progression · medium · 5 scenes · 1 character, 1 object

Time advances to night, the lantern is lit, and the next morning arrives.

A day and a night

temporal progression · medium · 5 scenes · 1 character, 1 object

Time advances to night, the lantern is lit, and the next morning arrives.

Two days

temporal progression · hard · 8 scenes · 2 characters, 2 objects

Two days across three places; light, wilting and clothing must all track time.