Mission Control · English

INORDERWORDS

Games, tools and boss battles, one mission: level up your English. Pick your grade below and we'll show you what fits.

🧭 New here? Take the 3-minute level test →
📖 Word of the day
worthwhile
/ˌwɜːθˈwaɪl/
que vale la pena
"Learning irregular verbs is worthwhile in the long run."
💬 Idiom of the week
call it a day
dejarlo por hoy
"We've done enough revision — let's call it a day."
🕵️ Crack more idioms in Idiom Detective →
🎬 Did you know? British and American English disagree on hundreds of everyday words: lift/elevator, flat/apartment, queue/line — both are correct English.
Choose your world
Show me activities for
🧭 Your base 3

Your course, your progress and the end-of-level boss battles.

⚙️ Grammar 5

Verb forms, tenses, questions and spotting mistakes.

Space arcade All levels
🚀

Verb Striker: Galaxy Showdown

⏱ Timed · 🧘 chill mode available

Shoot down ships by typing the past simple and past participle before time runs out.

Play now →
Memory game 1º–2º ESO ideal
🧩

Docking Sequence

🧘 No timer

Match base, past and past participle to dock each irregular verb — a calm, untimed memory game to lock in the forms that trip everyone up.

Start docking →
Build the question 1º–4º ESO
🎛️

Question Control

⏱ Timed · 🧘 chill mode available

You get the answer, you write the question: do, does, did and have/has — plus the subject-question traps (Who broke the window?).

Start transmitting →
Choose the tense All levels
⏳

Tense Control

⏱ Timed · 🧘 chill mode available

Seven tense duels in one game: present simple vs continuous, the past tenses, used to vs would, present perfect, and will vs going to — plus a mixed mode.

Pick the right tense →
1v1 live All levels
⚔️

Tense Duel

👥 Real-time duel · 🏆 most correct wins

Challenge a classmate in real time: create a room, share the code, and race through ten tense questions head-to-head. Live scoreboard and rematch.

Challenge a friend →
Speed challenge All levels
⚡

Tense Sprint

⏱ 5 s per sentence · 🏆 points for speed

Fifteen tense sentences against the clock: five seconds each, and the faster you answer, the more points. Keep a streak going for bonus points.

Beat the clock →
Use of English · maze A2–C1
🟡

Word Muncher

👾 Catch = question · 🏆 Cambridge levels

Munch the words through the maze and dodge the grammar bugs. Get caught and you face a Cambridge-style Use of English question — answer right to zap the bug, wrong and you lose a life. Pick A2, B1, B2 or C1.

Start munching →
Proofreading All levels
🐛

Debug the Transmission

🧘 No timer

A corrupted message has reached mission control. Click the grammar bugs hidden in each paragraph and choose the fix — without triggering false alarms.

Start debugging →
Tweets · 20 tenses Bachillerato only
🐦

Verb Tense Challenge

🧘 No timer

Spot the verb tense hiding in 100 realistic tweets, then reveal the grammar note to check your answer.

Play now →
🔤 Words & expressions 6

Collocations, phrasal verbs, prepositions, idioms and false friends.

🎧 Listening & pronunciation 2

Train your ear with real sentences and every sound of English.

📚 Course Units More coming soon

Pick your grade below. Each card is labeled so you always know exactly which course and unit you're opening — Unit 0 · Welcome is live for every grade, with icebreakers, rules, survival phrases and materials. The rest of the units are being built one by one.

🌟
1º ESO
Inspo 1
CEFR A1–A2
🚀
2º ESO
Synchronize 2
CEFR A2–A2+
⚡
3º ESO
Inspo 3
CEFR A2–B1
🎓
4º ESO
Synchronize 4
CEFR B1–B1+