The dataset viewer is not available for this split.
Error code: StreamingRowsError
Exception: ValueError
Message: Invalid string class label pokemon-official-art@37662e5e93450cdd7d7af4c7e3e912ea2aa9ac1f
Traceback: Traceback (most recent call last):
File "/src/services/worker/src/worker/utils.py", line 149, in get_rows_or_raise
return get_rows(
dataset=dataset,
...<4 lines>...
column_names=column_names,
)
File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
return func(*args, **kwargs)
File "/src/services/worker/src/worker/utils.py", line 129, in get_rows
rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
File "/src/services/worker/src/worker/utils.py", line 489, in safe_iter
yield from ds.decode(False) if ds.features else ds
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2818, in __iter__
for key, example in ex_iterable:
^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2368, in __iter__
example = _apply_feature_types_on_example(
example, self.features, token_per_repo_id=self.token_per_repo_id
)
File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2285, in _apply_feature_types_on_example
encoded_example = features.encode_example(example)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 2162, in encode_example
return encode_nested_example(self, example)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1446, in encode_nested_example
{k: encode_nested_example(schema[k], obj.get(k), level=level + 1) for k in schema}
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1469, in encode_nested_example
return schema.encode_example(obj) if obj is not None else None
~~~~~~~~~~~~~~~~~~~~~^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1144, in encode_example
example_data = self.str2int(example_data)
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1081, in str2int
output = [self._strval2int(value) for value in values]
~~~~~~~~~~~~~~~~^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/features/features.py", line 1102, in _strval2int
raise ValueError(f"Invalid string class label {value}")
ValueError: Invalid string class label pokemon-official-art@37662e5e93450cdd7d7af4c7e3e912ea2aa9ac1fNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
Pokémon Official Artwork
Dataset Description
This dataset contains official Pokémon artwork collected from publicly available sources such as Bulbapedia and PokémonDB.
The goal of this dataset is to provide a standardized collection of official Pokémon illustrations that can be used for:
- Image classification
- Computer vision research
- Character recognition
- Dataset generation
- AI and machine learning experiments
- Reference images for Pokémon-related research
Each image corresponds to a Pokémon species and is intended to represent the official game artwork whenever possible.
Dataset Structure
The dataset contains 2,842 images (104 MB) across 1,001 species folders, covering Pokémon species from Generation 1 through Generation 9. Coverage is not fully exhaustive for the newest generation — some Gen 9 DLC species (e.g. from the Teal Mask / Indigo Disk expansions) are not included.
Images are organized in a two-level directory structure: pokemon_official_game_art/<generation>/<species>/, where <generation> is the generation the species was introduced in (gen1–gen9) and <species> is the lowercase species name (spaces and special characters replaced with hyphens, e.g. ho-oh, porygon-z, chien-pao).
pokemon_official_game_art/
├── gen1/
│ ├── bulbasaur/
│ │ ├── bulbasaur.png # primary artwork (largest/cleanest version)
│ │ ├── bulbasaur.jpg # JPEG copy of the primary artwork
│ │ ├── bulbasaur-gen1.jpg # original Red/Green/Blue-era artwork
│ │ └── bulbasaur-gen1-jp.jpg # original Japanese release artwork
│ ├── charizard/
│ │ ├── charizard.png
│ │ ├── charizard.jpg
│ │ ├── charizard-mega.png # Mega Evolution artwork
│ │ └── charizard-mega.jpg
│ └── ...
├── gen2/
│ └── ...
...
└── gen9/
└── ...
Images per generation
| Generation | Species folders | Image files |
|---|---|---|
| gen1 | 147 | 721 |
| gen2 | 100 | 350 |
| gen3 | 155 | 401 |
| gen4 | 106 | 281 |
| gen5 | 156 | 378 |
| gen6 | 71 | 240 |
| gen7 | 83 | 237 |
| gen8 | 94 | 140 |
| gen9 | 89 | 94 |
Note: these counts are slightly below each generation's full species roster — species with multi-word names (e.g. Mr. Mime, Nidoran♀/♂, the Tapu guardians, Gen 9 Paradox Pokémon) are missing dataset-wide. See Limitations for details.
Species-folder counts are per generation of origin (e.g. a Gen 1 Pokémon with a Gen 6 Mega Evolution still lives under gen1/, and its Mega artwork is a file inside that same folder — it does not get a separate gen6 folder).
File naming and variants
Every species folder contains at minimum one base image (<species>.png and/or <species>.jpg), which is the current official artwork for that Pokémon. Many folders also contain additional files for alternate forms, regional variants, and special art, using the pattern <species>-<variant>.<ext>. Common variant suffixes include:
| Suffix | Meaning |
|---|---|
-gen1, -gen2, ... |
Artwork from that specific generation's games (older/original-style art) |
-gen1-jp |
Original Japanese release artwork |
-mega, -mega-x, -mega-y |
Mega Evolution forms |
-gigantamax |
Gigantamax form |
-alolan |
Alolan regional variant |
-galarian |
Galarian regional variant |
-hisuian |
Hisuian regional variant |
-paldean |
Paldean regional variant |
-female, -male |
Sex-based visual variants |
-shiny |
Shiny coloration |
-therian, -incarnate |
Forme Pokémon (e.g. Tornadus, Thundurus, Landorus) |
-origin, -altered |
Origin/Altered Forme (e.g. Giratina, Dialga/Palkia box art) |
Color/season/pattern names (-red, -blue, -summer, -winter, -sandy, -trash, ...) |
Pokémon with many cosmetic forms, e.g. Vivillon's 20 wing patterns, Burmy/Wormadam cloaks, Rotom forms, Deerling/Sawsbuck seasons, Unown letters (-a through -z) |
-usum, -oras, -platinum, -bw2, -emerald |
Artwork specific to a particular game version |
Each unique image is generally available as both .png (1,072 files) and .jpg (1,770 files); some variants exist in only one format. PNGs and JPGs are both flattened to RGB (no alpha transparency). Image dimensions vary by source and are not uniform — most fall roughly in the 150–400 px range on each side (typical official box-art / Pokédex artwork sizes), so images should be resized/padded as needed for model training.
Data Collection
Images were manually collected from publicly accessible fan resources including:
- Bulbapedia
- PokémonDB
The images are official artwork originally published by Nintendo, Game Freak, Creatures Inc., and The Pokémon Company.
Source
Artwork originates from official Pokémon games and promotional materials.
Collection sources include:
Intended Uses
This dataset is intended for:
- Machine learning research
- Image classification
- Character recognition
- Educational purposes
- Non-commercial AI research
Limitations
Only official artwork is included.
Artwork style changes across Pokémon generations.
Some alternate forms, regional variants, Mega Evolutions, Gigantamax forms, or special event artwork may be absent depending on source availability.
Image resolution varies.
Species with multi-word names are systematically missing. The collection process appears to have failed on any Pokémon whose canonical name contains a space, apostrophe, period, or gender symbol (♀/♂), rather than a single hyphenatable word. Confirmed missing species include:
- Nidoran♀, Nidoran♂, Farfetch'd, Mr. Mime, Mime Jr., Sirfetch'd, Mr. Rime, Type: Null
- All four Tapu guardians: Tapu Koko, Tapu Lele, Tapu Bulu, Tapu Fini
- All Generation 9 Paradox Pokémon (e.g. Great Tusk, Iron Hands, Flutter Mane, Roaring Moon, Walking Wake, Iron Valiant, Gouging Fire, Raging Bolt, and the rest of that family)
Species with hyphens already built into their in-game name (e.g. Ho-Oh, Porygon-Z, Jangmo-o, Wo-Chien, Chien-Pao) are present and unaffected. This gap likely accounts for most of the shortfall from the expected ~1,010+ species total down to the 1,001 species folders actually present, though the two counts aren't an exact match since some folders also cover pre-evolutions/forms counted separately from the main Dex. Users needing full Pokédex coverage should treat this dataset as near-complete but not exhaustive.
Licensing
Important
The images contained in this dataset are NOT owned by the dataset creator.
Pokémon and all associated artwork are the intellectual property of:
- Nintendo
- Game Freak
- Creatures Inc.
- The Pokémon Company
This repository is intended as a research dataset that organizes publicly available official artwork.
Users are responsible for ensuring their use complies with applicable copyright laws and the rights of the original copyright holders.
Citation
If you use this dataset, I'd appreciate if you cite this Hugging Face repository.
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