Education

Caelovista is an astronomy sandbox to explore planets, stars, and black holes. Land on surfaces, control time to observe orbits and eclipses, or venture to distant worlds. Driven by real data and science, journey at your own pace from the ground to the deep cosmos.

Perform with gods or another player in a three-button rhythm game. Play solo alongside four gods or create a room for an online duet. Hit in harmony to collect particles and build atoms, stars, planets and life. Enjoy music and discover cosmic creation across generations.

Learn touch typing, shoot letters and play music pieces with your keystrokes! Competitive online typing game!

CLETTER 谐音背单词: See Homophone, Spell Colored Letters, Read Word. Seven-color phonics game, 1,056 elementary words. Hint cards + 7 phoneme families replace phonetic symbols. Iron rule: white hollow = silent. Homophones scaffold not replace phonics: kids speak and remember, then read alone.

Wadoukaichin is a classic kanji puzzle: place one kanji in the center to complete four two-character words at once. 100 missions from easy to hard, plus Time Attack, a Daily Challenge, and 16-player online battles with three rule sets. Every word comes with its meaning, so you learn as you solve.

Take a peek into the war history exhibitions of Mikkeli, Finland – the headquarters city of the Finnish army during World War II.

Play Sudoku solo or solve one board together in two-player online co-op with a room code. Explore seven variants in solo play, enjoy fresh Classic puzzles, or take the optional guided path. Pencil notes, undo and relaxing music give you room to think.

Physics Exam Trainer is a 3D interactive physics game. Observe an experiment, calculate what should happen, make your prediction, then run it and see whether reality agrees. Explore mechanics, circuits, optics and more through hands-on experiments built around Calculate → Predict → Run.

Turn English vocabulary practice into a sci-fi typing battle. Type answers to stop falling enemies, build combos, and tackle faster waves. Explore 100 chapters with comic dialogues, pronunciation audio, and a practice mode you can play at your own pace.