Simulator & Prank Tools
Fun prank screens, relaxation simulators, and interactive visual experiences. Fake a hacking terminal with realistic code effects, simulate fullscreen OS update screens for Windows, macOS and Linux, generate custom blue screen of death errors, display cracked screen effects, show never-ending download progress bars, mix ambient nature sounds for focus and relaxation, enjoy a cozy animated fireplace, pop virtual bubble wrap, play with fidget spinners and pop-it toys, listen to soothing cat purring, watch Matrix-style digital rain, simulate rain on a window, play with interactive sand physics, admire a hypnotic lava lamp, run a virtual aquarium screensaver, launch fireworks with particle effects, watch northern lights dance, fly through a starfield, observe mesmerizing pendulum waves, and run Conway's Game of Life cellular automaton.
Watch a row of pendulums drift out of sync into mesmerizing wave patterns, then snap back together in a hypnotic ~60-second loop.
Fly through a 3D starfield screensaver with adjustable speed, density, and colors. Steer with your mouse, keyboard, or touch and warp through space.
Watch the aurora borealis flow across a starry night sky. Pick color themes, adjust intensity and speed, add shooting stars and ambient wind sound.
Launch virtual fireworks with a click. Pick from 7 burst types, 5 color palettes, and scenic backgrounds, then run a 30-second grand finale.
Build a virtual fish tank in your browser. Add fish, sea creatures, and decor, then watch them swim, feed, and even hunt with lifelike behaviors.
Enjoy a cozy virtual fireplace with four visual styles, crackling fire audio, optional wind or rain ambience, and a sleep timer that fades out.
Watch mesmerizing wax blobs rise and fall in a virtual lava lamp with six color presets, custom colors, adjustable speed, and interactive touch.
Watch rain slide down a window with realistic droplets, soothing rain sounds, thunder, and beautiful scenes for relaxation, focus, and sleep.
Interactive falling sand game. Draw sand, water, fire, and walls and watch them fall and react. Tilt gravity with your mouse or phone.
Run the Matrix digital rain effect in your browser. Customize the color, speed, density, font size, characters, and direction of the falling code.
Play five virtual fidget toys online — spinner, Pop It, fidget cube, switches, and infinity cube — to relieve stress and stay focused.
Layer rain, nature, urban, and noise sounds into one custom soundscape for focus, relaxation, or sleep, with volume control for every track.