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Two new daily games: • Word Puzzle: guess a German noun, then pick der, die or das • Word Groups: find four groups of four and learn every article • New lessons: verbs with prepositions (warten auf …) • Leaderboard: your place from last week, in Statistics and a new "Last week" tab • Avatars for every learner on the leaderboard and in study groups • Streak reminders: now after the Daily Challenge too, and by email • Manage your subscription right from your profile
German grammar: der/die/das, cases, verbs, plus Goethe & telc exam training.
Master German Grammar through Practice! Struggling with grammar mechanics? From Der, Die, Das and Cases to Prepositions, Possessives and Verbs, KasusKnacker is your dedicated training ground for mastering the hardest parts of the language. We focus on deliberate practice: targeted exercises with instant feedback and clear explanations that build your grammatical intuition and muscle memory for German Cases and Verbs. Why KasusKnacker? * 100% Ad-Free: Enjoy a distraction-free learning environment. * Fair Freemium: Practice daily for free or upgrade for unlimited access. * Exam Training: German grammar tracks from A1 to C1 with telc-style gap texts, word-bank tasks, error spotting and sentence rewrites. A timed readiness test shows which topics still need work. Useful when you're preparing for Goethe-Zertifikat, telc, DTZ or TestDaF. * Schreibcheck & writing practice: Paste your own German text and get corrections with an explanation for every edit. Then practice writing with your own mistakes: repair your sentences and write a daily task matched to them. * Daily word games: Word Puzzle – guess the German noun, then pick der, die or das. Word Groups – sort 16 nouns into four groups. Plus mini-games: Hangman, Falling Words, Sentence Scramble and a grammar RPG battle. * Targeted Case Training: Drill deep into dem, den, des, and der until German Cases become second nature. * Prepositions & Pronouns: Know exactly which case to use with every Preposition. * Possessives Mastery: Practice mein, dein, sein etc. across all Cases. * Verb Conjugator & Practice: Look up conjugations and practice Verbs until they are automatic. * Vocabulary Flashcards: Practice your vocabulary with our new flashcard system, with recorded pronunciation audio on every card. * Phrases & Idioms: Learn common German phrases and idioms with flashcards. * Article Mastery: Stop guessing genders. Practice Articles until they stick. * Adjective Endings: Master the logic behind adjective declensions for every case. * Phrasebook: 260+ real-life German phrases with audio across 15 everyday topics — doctor visits, banking, housing and more. * Stories: Short, illustrated German stories with audio, dictation and comprehension questions — read and listen at your level. * Dialogues: Everyday German conversations between two speakers — at the doctor, at a job interview — with audio, synced text and comprehension questions. * Placement Test: Answer a handful of questions and get a recommended level to start from. * From A1 to C2: 20,000+ exercises in hundreds of themed lessons, from your first articles to advanced grammar. * Gamified Progress: Earn XP, build daily streaks, and compete on leaderboards. * Study Groups: Create private groups, share a join code, assign lessons, and compete on a shared weekly leaderboard. Only the creator needs Premium. * Smart Review & Bookmarks: Save difficult exercises, revisit them later, and review mistakes when they are due. Download now and start cracking German Grammar today! KasusKnacker is an independent grammar-practice app. It is not an exam provider or testing centre, and it is not affiliated with, authorized by, sponsored by or endorsed by Goethe-Institut e.V., telc gGmbH, the Federal Office for Migration and Refugees (BAMF) or g.a.s.t. e.V. Goethe-Zertifikat, telc, Deutsch-Test für Zuwanderer (DTZ) and TestDaF are trademarks of their respective owners. KasusKnacker provides focused grammar review, not complete exam preparation.