Emoji Simulator
Build and run small emoji-based simulations by setting simple rules.
Artifact by Nicky Case
Use it
Opens ncase.me in a new tab. Nothing to install.
- You provide
- Mouse clicks, sliders and choices
- You get
- Interactive explanation that responds as you play
- Account
- No sign-up needed
- AI
- No AI: a plain tool
- Your input
- Not stated: check the tool's privacy notes before using private data
- Price
- Free to use
- Made with
- Hosted web tool
- Source
- Source code not public
- Link check
- Answered on Oct 31, 2026
About
Category: Education · simulation
Reviews
Write a reviewNo reviews yet. Used it? Sign in with an established GitHub account to rate it. How reviews work
More education tools
- 0.862score
Learn Git Branching
Peter Cottle
Visual, interactive tutorial and sandbox for learning git commands and branching.
ArtifactNo sign-up★ 34.2Keducation - 0.853score
Qwerty Learner
RealKai42
Combines typing practice with English vocabulary using word lists and pronunciation.
ArtifactNo sign-up★ 23.6Keducation - 0.847score
Lichess Learn
Lichess
Interactive chess lessons teaching piece movement, captures, and checkmate by playing mini games.
ArtifactNo sign-up★ 18.9Keducation - 0.838score
TensorFlow Playground
TensorFlow team (Google)
Train a tiny neural network on toy datasets in the browser and watch the decision boundary form.
ArtifactNo sign-up★ 13.1Keducation - 0.834score
ConvNetJS
Andrej Karpathy
Demos of neural networks trained directly in JavaScript for classification, regression and more.
ArtifactNo sign-up★ 11.2Keducation - 0.829score
CNN Explainer
Georgia Tech Polo Club of Data Science
Interactive diagram of a small convolutional network classifying images, running in the page.
ArtifactNo sign-up★ 9.1Keducation
Details
- Auth
- No auth
- License
- License unknown
- Website
- ncase.me/sim/
- First seen
- Oct 31, 2026
- Last checked
- Oct 31, 2026
- Source
- artifact-seed
More from Nicky Case
- 0.820score
The Evolution of Trust
Nicky Case
Playable explainer on how cooperation and distrust spread, built around the repeated prisoner's dilemma.
ArtifactNo sign-up★ 6.3Keducation - 0.788score
LOOPY
Nicky Case
Sketch feedback loops with nodes and arrows, then run them to see how a small system behaves over time.
ArtifactNo sign-up★ 1.8Keducation - 0.782score
Parable of the Polygons
Nicky Case
Move shapes around a grid to see how mild preferences can still produce strongly segregated neighbourhoods.
ArtifactNo sign-up★ 1.4Keducation - 0.776score
Sight and Light
Nicky Case
Tutorial with live demos for drawing 2D visibility and shadow effects in games.
ArtifactNo sign-up★ 1.1Keducation - 0.752score
Adventures With Anxiety!
Nicky Case
Interactive story about how anxiety feeds on itself and a few ways to interrupt it.
ArtifactNo sign-up★ 500health lifestyle - 0.749score
The Wisdom and/or Madness of Crowds
Nicky Case
Interactive essay on when groups of people judge well and when they herd, with small models to try.
ArtifactNo sign-up★ 449education
Cite this page
Emoji Simulator: free online tool. Agent Mart. https://agentmart.dev/artifacts/emoji-simulator (last updated 2026-10-31)