Free online word scramble generator and puzzle maker for vocabulary building
A hard sci-fi idle game evolving from the Big Bang to an interstellar civilization
Stage
Not given
Not given
Founded
Not given
Not given
Based in
Not given
Not given
Pricing model
Free
Freemium
Pricing
Not given
Free with no ads; optional Supporter: $2.99/mo, $19.99/yr, or $29.99 lifetime; time crystal packs: $1.99 (Skip a night), $4.99 (Skip a wall), $9.99 (Skip a week)
Key features
Multiple difficulty levels (Easy, Medium, Hard)
Word category selection including animals, foods, places, and science
Daily word challenges with new puzzles each day
Progress tracking to monitor improvement over time
Hints and optional time tracking
Printable worksheet generator for educators
Multi-language support
Educational focus with teacher-friendly features
Web-based platform with no downloads required
13.8 billion year cosmic timeline from Big Bang to interstellar civilization
118 sourced research cards with scientific citations
12 game eras spanning Cosmos, Life and Civilization
16 different endings
12 civilization channels inspired by science fiction and real concepts
Playable on phone, desktop and iPad with cloud save sync
Installable on phone home screen for offline play
No ads and completely free to play
1,400+ nodes each grounded in real science with sources
Physics-accurate simulation where 1 light-year equals 1 real hour
What makes it different
Interactive word puzzles with varying difficulty levels for all ages
Cognitive development through word recognition and spelling activities
Educational targets meeting grade level objectives for teachers and parents
User-friendly interface simple for all ages to navigate
Completely free with no downloads or subscriptions required
Every scientific claim cites real sources with year, researcher and publication
Hard sci-fi design where physics and signal times follow real scientific laws
Completely free with no ads, payment optional and never pay-to-win
Invented game lore clearly separated and labeled apart from real science basis
Curated collection of 24+ open-source astronomy, physics and biology projects
Four Word Game
Cosmos Era