キー不要の公開 API だけで作り上げたゲームルームです。クイズリアクター、完全なポケモン図鑑のタイプ相性マトリックスと進化ツリー、あなたの名前から年齢と出身を言い当てる託宣、決定論的なアバター生成炉、xkcd アーカイブ、カクテルラボ、そして終わりなきウィキペディア散策をそろえています。
A Pokémon card-battle duel against the computer — pick a stat, the higher number wins both cards, play until one trainer holds the whole deck.
A real word-search generator and player: pick a theme and a hidden word list is packed into a letter grid along all eight compass directions — forwards, backwards and diagonal — with the gaps sprinkled in decoy letters, then you click-drag across straight runs to snap-select and cross off every word against a ticking best-time clock.
Climb from one word to another a single letter at a time — each rung a real word, every puzzle solvable, with the shortest ladder waiting to be found.
A keyboard sprint against a ghost pacer — type a curated literary passage as the words light up correct or wrong, and try to out-run a metronome cruising at your chosen words-per-minute.
A full Sudoku studio: a backtracking generator fills a complete grid, then carves cells away while a uniqueness-checking solver guarantees exactly one answer — play with pencil marks, conflict flagging, number highlighting, a logical hint, an instant solve, undo and a timer, across four difficulties seeded so any puzzle replays.
The classic n-puzzle, rebuilt: slide numbered tiles — or a slice of a procedurally-generated flow-field painting that is different every game — into the empty cell to restore order, with a shuffle that is provably always solvable, whole-row shoves, a smart hint, and a confetti finish.
The classic memory duel: four glowing pads sing a growing melody of light and tone, and you must echo it back note-for-note — each round adds a step, with strict, speed, and 6-or-9-pad modes to push your recall past breaking.
A reflex arena that clocks the exact millisecond your finger answers the green flash — best-of-five averaged, ranked against the human bell curve, with a Go/No-Go trap and a choose-a-side twist.
A breakneck mental-arithmetic arena: clean-integer sums, differences, products and quotients that ramp from single digits to two-step chains as you streak — score by speed, accuracy and an escalating combo, with a Sprint clock, a Marathon survival run and per-operation drills.
The classic toggle puzzle, with its secret revealed: pressing a cell flips it and its four neighbors, and your job is to darken the whole grid — but every board is really a linear system over GF(2), so a one-click SOLVE computes the minimal press pattern by Gaussian elimination, and a light-chasing demo shows why some sizes leave boards you can never clear.
The addictive guessing game, played with the whole planet — two nations face off and you call whether the challenger ranks higher or lower by population or land, chasing one endless streak.
A geography game: two world cities are pinned on the map — guess the great-circle distance between them, then watch the haversine arc sweep across and score by how close you came.
A concentration game stitched from the world’s flags — flip the cards two at a time, hold every matching pair in your head, and clear the board in as few moves as you can.
A fast-fire geography gauntlet drawn live from the world’s 250 nations — name capitals, read flags blind, weigh populations and trace borders, ten questions to a round.
A perception arena that probes your eye for color — spot the odd swatch in a grid, mix RGB to chase a target, and recall a flashed hue from a lineup, all scored by true CIELAB ΔE color distance as the differences shrink toward your just-noticeable limit.
A timed memory duel against the atlas — pair each flag with its capital before the clock runs down, with rounds that pile on more nations and harder regions the longer your streak survives.
A frantic letter-twisting word hunt — scramble a rack of seven tiles and race the clock to unearth every hidden word before time runs out.
ウィキペディアを巡るハイパーテキストの散歩です——記事から記事へ飛び移り、あなたの奇妙な道筋が伸びゆく軌跡として自ら描かれていく様子を眺められます。
PokeAPI からライブ取得した完全なポケモンのタイプ相性表を、18×18 のマトリックスとして表示し、複合タイプの弱点計算機も備えています。
Open Trivia DB につないだテンポの良いテーマ別クイズです——カテゴリと難度を選び、問題ごとのカウントダウンと競い合いながら、正解で連勝をつなぎスコアを積み上げます。
好きなテキストを入力すると、一度に十数種のアバタースタイルで一つのアイデンティティを鍛え上げます——決定論的で、共有でき、何度でも振り直せます。
下の名前を入力すると、三つの公開 API があなたの最も可能性の高い年齢・性別・国籍を信頼度つきで言い当てます。
スタジオジブリの全作品を温かく映画的に巡るブラウザです——ポスター、あらすじ、ロッテン・トマトのスコアつきです。
国旗からその国を当てましょう——素早く選び、連勝を重ね、地域で絞り込んで難度を上げられます。
どんなポケモンでも進化系統の家系を分岐ツリーとしてたどれます——スプライトと、各進化の正確な条件つきです。
xkcd アーカイブのリーダーです。画像にカーソルを重ねると、有名な隠しタイトルテキストのジョークが現れます。
シェイクしてランダムなカクテルを出すか名前で検索すると、写真・グラス・分量・作り方をまとめた見やすいレシピカードが得られます。