Captain Lerna™ Library Built-in & Downloadable Bundles

Online MCQ Practice Quizzes & Curriculum Question Banks

Welcome to Captain Lerna's central learning and practice library. Master knowledge through active practice: solve online MCQs with answers, pilot through 3D Maths sequence drills, audio spelling bee challenges, and visual flag recognition, or practice comprehensive NIOS Class 10 board exam curriculum question banks with chapter-wise revision notes and solutions.

4 Built-in Game Modes
300+ Downloadable MCQs
5 NIOS Board Subjects
2D & 3D Multi-Modal Modes

Curated Learning Catalog

Showing 8 Collections

1. Built-in Quizzes (Included with Game)

Zero Setup • Ready to Play

These quizzes are pre-loaded directly inside Captain Lerna with no extra downloads required. Experience active learning across full 3D space flight or swift 2D touch review.

Built-In Game Quiz 3D Flight & 2D Modes

General Knowledge (GK)

World Trivia & Foundational Facts

Test your rapid mental recall across foundational world facts. Navigate cosmic obstacles while answering trivia challenges in 3D flight mode, or study distraction-free with instant feedback in 2D mode.

Interactive Gameplay: Steer through space sectors answering trivia on the fly, or switch to 2D touch mode for high-speed concept review.
Geography Science History Culture World Institutions
Google Play → App Store
Built-In Game Quiz Sequence Flight Mode

Maths: Prime Numbers & Tables

Sequence Flight & Numerical Drills

A high-octane sequence mode quiz! Fly through consecutive numbers and rings in exact numerical order in 3D flight mode, or tap through the sequence rapidly in 2D mode. Built specifically to reinforce prime number intuition and multiplication tables under timed pressure.

Sequence Mode: Fly your ship sequentially through numerical gates in 3D space flight, or select them through in order in 2D mode.
Prime Numbers Math Tables Sequence Mode 3D Flight 2D Selection
Google Play → App Store
Built-In Game Quiz Audio Interactive

Spelling Bee (Audio Challenge)

Auditory Phonics & Letter Navigation

Train phonics, spelling accuracy, and auditory recall! Listen to the clear spoken voice audio pronunciation of the word, then fly your starship through the correct letters of the spelling in 3D mode, or select them in 2D mode.

Audio + Motion: Listen to the word, then fly through and collect the correct letters in sequence in 3D mode or select them in 2D mode.
Audio Pronunciation Spelling Accuracy Letter Sequencing 3D Flight 2D Touch
Google Play → App Store
Built-In Game Quiz Visual Recognition

National Flags (Images)

Visual Flag Identification & World Geography

Sharpen your visual memory and global awareness! Observe the high-resolution national flag image displayed on your ship HUD, recognise the country, and fly to the correct target beacon in 3D mode or select the country name in 2D mode.

Visual Identification: Recognise the country flag image and pilot your craft or tap to select the matching country name.
Flag Imagery World Countries Visual Memory 3D Flight 2D Selection
Google Play → App Store

2. Downloadable Quiz Bundles

Expand In App • 300 Curated MCQs

Expand your question library right inside Captain Lerna. Download comprehensive, domain-verified multiple-choice bundles covering essential general knowledge and core verbal vocabulary.

Downloadable Quiz Bundle 100 Questions 10 Knowledge Domains

General Knowledge & Science

This quiz bundle contains multiple-choice questions (MCQs) from the following domains:

1
General Knowledge Science General knowledge science questions focusing on basic facts and natural phenomena.
2
Historical Trivia Historical trivia covering ancient civilizations and famous historical figures.
3
World Geography & Capitals Questions testing knowledge of world continents, countries, capitals, and natural features.
4
Pop Culture & Cinema Pop culture trivia focused on classic and popular films.
5
Global Sports Trivia covering various global sports, athletes, and tournaments.
6
Famous Literature & Characters Questions about famous books, their authors, and iconic literary characters.
7
Universe & Space Exploration Deep dive into the universe, celestial bodies, and space exploration.
8
Computing & Tech History Trivia about modern computing, internet history, and tech companies.
9
Renowned Artists & Masterpieces Test your knowledge of the world's most renowned artists and their masterpieces.
10
Animal Kingdom Questions about the fascinating creatures of the animal kingdom.
100 Curated MCQs
10 Rich Subject Tracks
3D Flight & 2D Modes
Instant In-App Download
Download on Google Play → Download on App Store
Downloadable Quiz Bundle 200 Questions 10 Vocabulary Categories

English Vocabulary : Synonyms & Antonyms

This quiz bundle contains multiple-choice questions (MCQs) from the following categories:

01 Common Adjectives
02 Common Verbs
03 Emotions and Feelings
04 Advanced Adjectives
05 Advanced Nouns and Verbs
06 Nature and Environment
07 People and Society
08 Actions and Movement
09 Abstract and Academic
10 Business and Communication
200 Exam-Grade MCQs
10 Core Vocabulary Categories
High-Yield Synonyms & Antonyms
Instant In-App Download
Download on Google Play → Download on App Store

3. NIOS Curriculum & Board Bundles

National Board Aligned

Comprehensive study tracks aligned with the official National Institute of Open Schooling public examinations, complete with chapter PDFs, curated video playlists, and gamified practice sets.

Available Now • Live Collection National Board Curriculum Class 10 & 12

National Institute of Open Schooling (NIOS)

Our flagship academic collection aligned with official NIOS Public Examination bifurcations. Features chapter-by-chapter curriculum outlines, direct official textbook PDF downloads, curated YouTube lecture playlists, and gamified practice quiz bundles for Secondary (Class 10) and upcoming Senior Secondary (Class 12).

Hindi (201) English (202) Social Science (213) Psychology (222) Painting (225) Sr. Secondary Class 12 (In Prep)
5 Core Subjects
84 Chapter PDFs
80 Video Lectures
1,000+ MCQs in App
Explore NIOS Section → Browse Secondary (Class 10) Catalog
In Curation CBSE & State Boards

CBSE & NCERT Aligned Question Banks

Comprehensive chapter-wise question sets for Class 10 and Class 12 board examinations based on standard NCERT rationalized syllabi.

Mathematics Science Social Science English
Roadmap Track • Coming Soon

Three Ways to Practice in Captain Lerna

1. Interactive 3D Flight (Game + Quiz)

Pilot your starcraft through asteroid belts and cosmic sectors. Answer questions on the fly, fly through prime numbers or letter sequences, and maintain ship systems under timed action.

2. Dedicated 3D Quiz (Hazard-Free)

Experience the immersive 3D space flight environment with zero hazards and no ship destruction. Cruise through quiz sectors and focus fully on concept mastery and sequence drills.

3. Dedicated 2D Quiz (Rapid Drills)

Pure academic revision on a clean 2D touchscreen interface. Adjust the reading speed slider, tap through questions, or drill flashcard sets for rapid memorization.

Train Fast. Think Faster. Master Every Subject.

Download Captain Lerna on Android and iOS to unlock full question banks with hundreds of curated MCQs, timed sequence flight drills, and arcade learning simulations.

Get it on Google Play Download on the App Store