Learn geometric using compass, pencil, and straightedge. Watch animated demonstrations to understand steps. Practice by creating yourself. The checks your work and confirms accuracy. Smart snapping aligns objects automatically.
Play first-person zombie shooter with remastered graphics and split-screen support. Complete two missions per location. Unlock full game with purchase. Track progress and access new content through in- purchases.
The app is an area defense game where players build mazes to stop waves of creeps. Story mode and fixed path levels offer a guided, challenging experience.
Displays website code including HTML, CSS, and JavaScript. It highlights tags, keywords, and CSS attributes with different colors. It extracts embedded links for easy navigation.
Coloring pages are generated uniquely for each user. Pages can be colored offline without internet access. Features include relaxing music, well-chosen colors, and no third-party ads.
The app presents a riddle that is sometimes attributed to Albert Einstein. Users can attempt to solve the puzzle and determine if they are part of the 2% of people who can solve it.
The app features missions to shoot down enemy missiles, bombers, and helicopters. Users can switch between anti-aircraft missile batteries located throughout the city to launch missiles and neutralize threats.
The app offers over 600 pages of grammar lessons with more than 5000 examples. It includes over 8500 questions to test grammar knowledge, providing detailed results and explanations for each answer.
The app supports EPWING, StarDict, MDict, and dsl dictionary formats. It performs incremental, prefix, and suffix searches, with support for images and sound.
Draw on a customizable whiteboard with 60 background and brush color options. Select from 4 brush sizes. Save or share drawings. Use random mode to change brush size or color automatically. Access 20 levels of undo.
The app allows users to create spiral drawings with colorful gears and rings. Users can import photos, use Apple Pencil, and draw hypotrochoids and epitrochoids.
Create symmetrical Easter egg drawings with customizable background and brush colors. Select from four brush sizes. Save or share artwork. in random mode for automatic brush size changes.
The app presents 10 interactive chess problems for players of all levels. The objective is to achieve checkmate within a specified number of moves, enhancing chess skills through engaging challenges.