Digit Memory π vs Shadow Echo

Random numbers will appear on the screen, and you will have one second to see them. Remember the first number, and if the next number is larger than the previous one, keep the larger number in mind. Challenge yourself! The app offers different difficulty levels. How confident are you in your memory? After completing all the questions, you’ll see a results screen displaying your performance. Enjoy the challenge!

A minimalist puzzle-platformer where light and shadow become your tools. Drag light sources, reshape shadows, and solve atmospheric puzzles in a mysterious world of silhouettes. Full Description Step into the darkness. Your shadow is alive. Shadow Echo is a meditative puzzle-platformer that transforms light into your most powerful tool. Guide a lone wanderer through dark, abstract worlds where shadows aren't just absence—they're bridges, keys, and pathways waiting to be shaped. How to Play Touch to move your character through hauntingly beautiful environments Drag light sources to cast shadows that become solid platforms Manipulate angles and distances to reshape the world around you Press shadow-switches to open gates and reveal hidden paths Features 6 Hand-Crafted Levels — From gentle introductions to mind-bending puzzles requiring multiple light sources Progressive Mechanics — Discover warm, cool, and violet lights; moving platforms; and shadow-activated switches Hidden Story Fragments — Collect glowing orbs to unlock fragments of a mysterious narrative Atmospheric Audio — Ambient soundscapes with reactive tones that respond to your shadow-play Silhouette Art Style — Minimalist design with soft volumetric lighting and smooth animations Mobile-Optimized — Short 1–2 minute levels perfect for quick sessions A World of Mystery Each level introduces new ways to think about light and shadow. Cast bridges across chasms. Create staircases from nothing. Unlock doors that only shadows can open. As you progress, the story unfolds through poetic fragments—echoes of a world that once was. "The shadows are not empty. They hold memories."