diff --git a/deploy-commands.js b/deploy-commands.js
index 61af8d8..e700363 100644
--- a/deploy-commands.js
+++ b/deploy-commands.js
@@ -27,6 +27,98 @@ const commands = [
               { name: 'Framework', value: 'framework' },
             )
         )
+    ),
+  new SlashCommandBuilder()
+    .setName('simulate')
+    .setDescription('Simulate different type of dice rolls.')
+    .addSubcommand(subcommand =>
+      subcommand
+        .setName('simple')
+        .setDescription('Simulate a simple dice roll.')
+    )
+    .addSubcommand(subcommand =>
+      subcommand
+        .setName('extended')
+        .setDescription('Simulate an extended dice roll.')
+        .addNumberOption(option =>
+          option
+            .setName('dicepool')
+            .setDescription('The dicepool of the roll.')
+            .setRequired(true)
+        )
+        .addNumberOption(option =>
+          option
+            .setName('threshold')
+            .setDescription('The threshold of the roll.')
+            .setRequired(true)
+        )
+        .addNumberOption(option =>
+          option
+            .setName('interval')
+            .setDescription('The interval of the roll.')
+            .setRequired(true)
+        )
+        .addStringOption(option =>
+          option
+            .setName('interval-unit')
+            .setDescription('The unit of the interval. Defaults to Hours.')
+            .setRequired(false)
+            .addChoices(
+              { name: 'Seconds', value: 'seconds' },
+              { name: 'Minutes', value: 'minutes' },
+              { name: 'Hours', value: 'hours' },
+              { name: 'Days', value: 'days' },
+              { name: 'Weeks', value: 'weeks' },
+              { name: 'Months', value: 'months' },
+            )
+        )
+        .addNumberOption(option =>
+          option
+            .setName('max-edge')
+            .setDescription('The maximum number of edge to use.')
+            .setRequired(false)
+        )
+        .addStringOption(option =>
+          option
+            .setName('edgetype')
+            .setDescription('What type of edgeing should be used ?')
+            .addChoices(
+              { name: 'None', value: 'none' },
+              { name: 'Turn Up', value: 'up' },
+              { name: 'Reroll', value: 'reroll' },
+              { name: 'Smart', value: 'smart' },
+              { name: 'All', value: 'all' },
+            )
+        )
+        .addStringOption(option =>
+          option
+            .setName('edgerefresh')
+            .setDescription('How often should the edge refresh ?')
+            .addChoices(
+              { name: 'Never', value: 'none' },
+              { name: 'Every Roll', value: 'fill' },
+              { name: '1 Edge per Roll', value: 'once' },
+              { name: '2 Edge per Roll', value: 'twice' },
+            )
+        )
+        .addNumberOption(option =>
+          option
+            .setName('amount')
+            .setDescription('How many times should the roll be simulated ? WARNING this service is pricey !')
+            .setRequired(false)
+        )
+        .addBooleanOption(option =>
+          option
+            .setName('hidden')
+            .setDescription('Should the result be hidden ?')
+            .setRequired(false)
+        )
+        .addBooleanOption(option =>
+          option
+            .setName('true-random')
+            .setDescription('Should the dice be truly random ?')
+            .setRequired(false)
+        )
     )
 ]
 	.map(command => command.toJSON());
diff --git a/index.js b/index.js
index 325c013..9477835 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,7 @@
 require('dotenv').config();
 
+const { EOL } = require('os');
+const { randomInt } = require('node:crypto');
 const { Client, GatewayIntentBits } = require('discord.js');
 const token = process.env.TOKEN;
 
@@ -12,18 +14,177 @@ client.once('ready', () => {
 });
 
 client.on('interactionCreate', async interaction => {
-  if (!interaction.isCommand()) return;
+  if (!interaction.isCommand())  {
+    console.log('Not a command');
+    return;
+  }
   console.log(interaction.commandName);
 
-  let commandName = interaction.commandName;
+  switch (interaction.commandName) {
+    case "generate":
+      switch (interaction.options.getSubcommand()) {
+        case "host":
+          let rating = interaction.options.getNumber("rating");
+          let type = interaction.options.getString("type") ?? "foundation";
+          await interaction.reply({files: ["./france-in-pictures-beautiful-places-to-photograph-eiffel-tower.jpg"]});
+          break;
+      
+        default:
+          await interaction.reply({ content: 'Invalid subcommand!', ephemeral: true });
+          break;
+      }
+      break;
+    
+    case "simulate":
+      await interaction.deferReply();
+      switch (await interaction.options.getSubcommand()) {
+        case "simple":
+          await interaction.reply({ content: 'Simple dice roll!', ephemeral: true });
+          break;
 
-  if (commandName === "generate") {
-    if (interaction.options.getSubcommand() === "host") {
-      let rating = interaction.options.getNumber("rating");
-      let type = interaction.options.getString("type") ?? "foundation";
-      await interaction.reply({files: ["./france-in-pictures-beautiful-places-to-photograph-eiffel-tower.jpg"]});
-    }
+        case "extended":
+          // Variables from Discord command
+          const dicepool = interaction.options.getNumber("dicepool");
+          const threshold = interaction.options.getNumber("threshold");
+          const interval = interaction.options.getNumber("interval") ?? 1;
+          const intervalUnit = interaction.options.getString("interval-unit") ?? "Hours";
+          const simAmount = interaction.options.getNumber("amount") ?? 10000;
+          const hidden = interaction.options.getBoolean("hidden") ?? false;
+          const edgeType = interaction.options.getString("edgetype") ?? "none";
+          const edgeRefresh = interaction.options.getString("edgerefresh") ?? "none";
+          const maxEdge = interaction.options.getNumber("max-edge") ?? 6;
+          const useTrueRandom = interaction.options.getBoolean("true-random") ?? false;
+
+          // Check if dicepool is valid
+          if (dicepool < 1 || dicepool > 100) {
+            await interaction.editReply({ content: 'Dicepool must be between 1 and 100!', ephemeral: true });
+            return;
+          }
+          
+          // Arrays to build the final message
+          const warnings = [];
+          const parameters = [];
+          const calculatedResults = [];
+          const realResults = [];
+          let message = "";
+
+          // Variables for the simulation
+          let hits = 0;
+          let glitches = 0;
+          let criticalGlitches = 0;
+          let iterations = 0;
+          let edge = maxEdge;
+          let failed = false;
+
+          parameters.push(`Dicepool: ${dicepool}`);
+          parameters.push(`Threshold: ${threshold}`);
+          parameters.push(`Interval: ${interval} ${intervalUnit}`);
+          parameters.push(`Amount of simulations: ${simAmount}`);
+          parameters.push(`Edge: ${edgeType}`);
+          parameters.push(`Edge refresh: ${edgeRefresh}`);
+          parameters.push(`Max edge: ${maxEdge}`);
+          parameters.push(`Use true random: ${useTrueRandom}`);
+
+          message = `Parameters:${EOL}\t${parameters.join(EOL + '\t')}${EOL}${EOL}`;
+
+          calculatedResults.push("Calculated Results (Can't Use Edge): " + EOL);
+
+
+          calculatedResults.push(`Calc Rolls : `);
+          calculatedResults.push(`Hits Bought: `);
+
+          realResults.push("Real Results: " + EOL);
+          
+          // Roll dice in dicepool using the fillArrayWithRandomDice Function till we have reached the threshold or above
+          while (hits < threshold) {
+
+            if (dicepool - iterations === 0) {
+              failed = true;
+              break;
+            }
+
+            let rolls = await fillArrayWithRandomDice(new Array(dicepool), useTrueRandom);
+
+            // TODO: encapsulate into functions
+            // TODO: Add smart edgetype or warning
+            // Edge Section:
+            switch (edgeType) {
+
+              case 'up':
+                console.log(`Pre Edge Up: ${rolls}`);
+                rolls.forEach((roll, index) => {
+                  if (roll === 4 && edge >= 2) {
+                    rolls[index] = 5;
+                    edge -= 2;
+                  }
+                });
+                console.log(`Post Edge Up: ${rolls}`);
+                break;
+              
+                 
+              case 'reroll':
+                console.log(`Pre Reroll: ${rolls.sort().reverse()}`);
+                if (edge >= 4) {
+                  let rerolls = await fillArrayWithRandomDice(rolls.filter(roll => roll < 5), useTrueRandom);
+                  rolls = rolls.filter(roll => roll >= 5).concat(rerolls);
+                }
+                console.log(`Post Reroll: ${rolls.sort().reverse()}`);
+                break;
+            }
+
+            let tempHits = rolls.reduce((a, b) => b >= 5 ? a + 1 : a, 0);
+            let tempGlitches = rolls.reduce((a, b) => b === 1 ? a + 1 : a, 0) > rolls.length / 2 ? 1 : 0;
+
+            if (tempHits === 0 && tempGlitches === 1) {
+              criticalGlitches++;
+              tempGlitches--;
+            }
+
+            hits += tempHits;
+            glitches += tempGlitches;
+
+            iterations += 1;
+
+            
+            switch (edgeRefresh) {
+              case 'fill':
+                edge = maxEdge;
+                break;
+
+              case 'once':
+                if (edge < maxEdge) {
+                  edge++;
+                }
+                break;
+
+              case 'twice':
+                if (edge < maxEdge - 1) {
+                  edge += 2;
+                }
+                break;
+            
+              default:
+                break;
+            }
+          }
+
+          if (failed) {
+            await interaction.editReply({ content: 'Failed to reach threshold!', ephemeral: hidden });
+          } else {
+            await interaction.editReply({ content: message, ephemeral: hidden });
+          }
+          break;
+      }
+      break;
   }
-})
+});
+
+async function fillArrayWithRandomDice(arr, trueRandom = false) {
+  for (let i = 0; i < arr.length; i++) {
+    arr[i] = await randomInt(1, 7);
+  }
+  return arr;
+}
+
 
 client.login(token);
\ No newline at end of file