diff --git a/ti_bp/manifest.json b/ti_bp/manifest.json
index daf9ef9..19933b6 100644
--- a/ti_bp/manifest.json
+++ b/ti_bp/manifest.json
@@ -12,7 +12,20 @@
             "type": "data",
             "uuid": "a06b47ef-e0d9-4154-94c1-9a6bd86e506f",
             "version": "1.0.0"
+        },
+        {
+        "description": "Tamagotchi Scripting",
+            "type": "script",
+            "uuid": "3dec0970-c9b8-4e64-886a-cdc237cf938d",
+            "version": "1.0.0",
+            "entry": "scripts/main.js"
         }
+    ],
+        "dependencies": [
+    {
+        "module_name":"@minecraft/server",
+        "version":"2.10.0"
+    }
     ],
     "metadata": {
         "authors": ["Momoko"],
diff --git a/ti_bp/scripts/Ridable.js b/ti_bp/scripts/Ridable.js
new file mode 100644
index 0000000..e69de29
diff --git a/ti_bp/scripts/config/houses.js b/ti_bp/scripts/config/houses.js
new file mode 100644
index 0000000..e69de29
diff --git a/ti_bp/scripts/config/regions.js b/ti_bp/scripts/config/regions.js
new file mode 100644
index 0000000..560ff2a
--- /dev/null
+++ b/ti_bp/scripts/config/regions.js
@@ -0,0 +1,17 @@
+/**
+ * @typedef  {object}  Region
+ * @property {string}  nameKey
+ * @property {number}  order
+ * @property {boolean} unlockedAtStart
+ * @property {number}  unlockedCost
+ */
+
+/**
+ * @type {Record<string, Region>} 
+ */
+export const REGIONS = {
+    lagoon:   {nameKey:    "tama.region.lagoon.name",   order: 0, unlockedAtStart: true,  unlockedCost: 0},
+    farmland: {nameKey:    "tama.region.farmland.name", order: 1, unlockedAtStart: false, unlockedCost: 100},
+    seaside:  {nameKey:    "tama.region.seaside.name",  order: 2, unlockedAtStart: false, unlockedCost: 500},
+    skyland:  {nameKey:    "tama.region.skyland.name",  order: 3, unlockedAtStart: false, unlockedCost: 1000}
+};
diff --git a/ti_bp/scripts/config/tamas.js b/ti_bp/scripts/config/tamas.js
new file mode 100644
index 0000000..e69de29
diff --git a/ti_bp/scripts/core/commands.js b/ti_bp/scripts/core/commands.js
new file mode 100644
index 0000000..5384c15
--- /dev/null
+++ b/ti_bp/scripts/core/commands.js
@@ -0,0 +1,234 @@
+import {
+    CommandPermissionLevel,
+    CustomCommandStatus,
+    CustomCommandParamType,
+    system,
+} from "@minecraft/server";
+import { REGIONS } from "../config/regions.js";
+import { resetGates, resetGate, unlockGate, unlockGates, 
+    updateBalance, returnBalance, printGateState} from "../save/state.js";
+import { unlockRegion } from "../systems/progression.js";
+
+//the system calls this function we do not
+//our import into main runs the first line of this etc
+system.beforeEvents.startup.subscribe(({ customCommandRegistry }) => {
+    
+
+
+
+    customCommandRegistry.registerEnum("rzb_tamagotchi:region", Object.keys(REGIONS));
+    
+    customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:print_gates_states",
+            description: "This command prints the gate states",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+        },
+        () => {
+            system.run(() => {
+                printGateState();
+            });
+
+            return {
+                status: CustomCommandStatus.Success
+            };
+        }
+    );
+
+
+
+
+    customCommandRegistry.registerEnum("rzb_tamagotchi:region", Object.keys(REGIONS));
+    
+    customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:reset_gates_all",
+            description: "This command resets all gates to default",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+        },
+        () => {
+            system.run(() => {
+                resetGates();
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: "Gates reset to default",
+            };
+        }
+    );
+
+
+
+
+        customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:reset_gate",
+            description: "This command resets a single gate",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+            mandatoryParameters: [
+                {
+                    // Use the enum by setting the name to the enum name
+                    name: "rzb_tamagotchi:region",
+                    type: CustomCommandParamType.Enum,
+                },
+            ],
+        },
+        (origin, region) => {
+            system.run(() => {
+                resetGate(region);
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: "Gate ${REGION[id]} reset to default",
+            };
+        });
+
+
+
+
+        customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:unlocks_gates_all",
+            description: "This command unlocks all gates",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+        },
+        () => {
+            system.run(() => {
+                unlockGates();
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: "All gates Unlocked",
+            };
+        }
+    );
+
+
+
+
+        customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:unlock_gate",
+            description: "This command unlocks a single gate",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+            mandatoryParameters: [
+                {
+                    // Use the enum by setting the name to the enum name
+                    name: "rzb_tamagotchi:region",
+                    type: CustomCommandParamType.Enum,
+                },
+            ],
+        },
+        (origin, region) => {
+            system.run(() => {
+                unlockGate(region, true);
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: `Gate ${REGIONS[id]} unlocked`,
+            };
+        }),
+
+
+
+
+        customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:request_unlock",
+            description: "This command calls unlockRegion(), for entities",
+            permissionLevel: CommandPermissionLevel.Any,
+            cheatsRequired: false,
+                        mandatoryParameters: [
+                {
+                    // Use the enum by setting the name to the enum name
+                    name: "rzb_tamagotchi:region",
+                    type: CustomCommandParamType.Enum,
+                },
+            ],
+        },
+        (origin, region) => {
+            system.run(() => {
+                const result = unlockRegion(region);
+
+                // no entity to talk to when run from a command block or console
+                if (!origin.sourceEntity) { return; }
+
+                if (result.ok) {
+                    origin.sourceEntity.sendMessage(`${region} unlocked`);
+                    return;
+                }
+
+                // reason codes are not display text - this is developer-facing
+                // for now. Player copy belongs in the lang file later.
+                let why;
+                switch (result.reason) {
+                    case "already_unlocked":
+                        why = `${region} is already unlocked`;
+                        break;
+                    case "missing_prior_region":
+                        why = result.requires
+                            ? `You must unlock ${result.requires} first`
+                            : `${region} has nothing before it in the chain`;
+                        break;
+                    case "insufficient_funds":
+                        why = `You need ${result.cost} coins, you have ${result.balance}`;
+                        break;
+                    case "unknown_region":
+                        why = `Unknown region: ${region}`;
+                        break;
+                    default:
+                        why = `Cannot unlock ${region}`;
+                }
+
+                origin.sourceEntity.sendMessage(why);
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: `Unlock requested for ${region}`,
+            };
+        }),
+
+
+
+
+        customCommandRegistry.registerCommand(
+        {
+            name: "rzb_tamagotchi:balance_update",
+            description: "This command updates the player balance",
+            permissionLevel: CommandPermissionLevel.Host,
+            cheatsRequired: true,
+            mandatoryParameters: [
+                {
+                    name: "rzb_tamagotchi:cost",
+                    type: CustomCommandParamType.Integer,
+                },
+            ],
+        },
+        (origin, cost) => {
+            system.run(() => { //deferred tick so we get return message first
+                updateBalance(cost);
+
+                // the new balance only exists after the deferred update runs,
+                // so report it here rather than in the return value below
+                if (origin.sourceEntity) {
+                    origin.sourceEntity.sendMessage(`Your balance is ${returnBalance()}`);
+                }
+            });
+
+            return {
+                status: CustomCommandStatus.Success,
+                message: `Balance changed by ${cost}`,
+            };
+        }
+)})
+returnGateState
\ No newline at end of file
diff --git a/ti_bp/scripts/core/log.js b/ti_bp/scripts/core/log.js
new file mode 100644
index 0000000..8811543
--- /dev/null
+++ b/ti_bp/scripts/core/log.js
@@ -0,0 +1,7 @@
+const DEBUG = true;;
+const PREFIX = "[TAMA]";
+
+export function log(message) {
+    if(!DEBUG) return;
+     console.warn(`${PREFIX} : ${message}`);
+}
\ No newline at end of file
diff --git a/ti_bp/scripts/main.js b/ti_bp/scripts/main.js
new file mode 100644
index 0000000..69aceaa
--- /dev/null
+++ b/ti_bp/scripts/main.js
@@ -0,0 +1,25 @@
+import { log } from "./core/log.js";
+import { load } from "./save/state.js";
+import { getState } from "./save/state.js";
+import "./core/commands.js"
+import {world} from "@minecraft/server";
+log("main.js loaded)");
+
+/*
+Dynamic properties have to exist post worldLoad
+
+1.9 -> 2.0 scripts now load before world load
+Grabbed data will throw an exception
+if we don't do things after worldLoad
+You can't serve a pizza if you don't have a pizza
+
+Players, entities, blocks
+Time of day, Gamemode, difficulty
+*/
+world.afterEvents.worldLoad.subscribe(() => {
+    load();
+    console.log(JSON.stringify(getState()));
+});
+
+//good for debugging gate values
+//console.log(JSON.stringify(getState()));
\ No newline at end of file
diff --git a/ti_bp/scripts/save/state.js b/ti_bp/scripts/save/state.js
new file mode 100644
index 0000000..ea299db
--- /dev/null
+++ b/ti_bp/scripts/save/state.js
@@ -0,0 +1,147 @@
+import { REGIONS } from "../config/regions.js";
+import { log } from "../core/log.js";
+import { world } from "@minecraft/server";
+
+const KEY = "tama.progress";
+const VERSION = 1; //For updating the json in the save
+
+/**
+ * The in-memory copy of the whole save document, so we don't re-read the
+ * world's dynamic properties every time something needs a value.
+ * Null until load() runs. saveState() writes it back out to the world save.
+ *
+ * cache = {
+ *     version: 1,
+ *     coins: 0,
+ *     gates: {
+ *         lagoon:   true,
+ *         farmland: false,
+ *         seaside:  false,
+ *         skyland:  false
+ *     }
+ * }
+ */
+let cache = null;
+
+/**
+ * Reads the save document out of the world and puts it in `cache`.
+ *
+ * Nothing stored under KEY yet means a brand-new world - getDynamicProperty
+ * returns undefined - so build the defaults and write them straight back,
+ * which is what creates the save.
+ *
+ * Otherwise the stored value is JSON text, so parse it back into an object.
+ */
+export function load(){
+    const raw = world.getDynamicProperty(KEY);
+    //let raw = undefined;
+    //good for debugging before the value is updated
+    //console.log(raw);
+    
+    if(raw === undefined) {
+        cache = buildDefaults();
+        saveState();
+    } else {
+        //good for debugging post update
+        //console.log(raw);
+        cache = JSON.parse(raw);
+    }
+    if(cache.version < VERSION) {
+        //if(version < (VERSION) -> add attribute etc))
+        log("==================================");
+        log(`version: ${cache.version}, code expects ${VERSION}`);
+        log("==================================");
+        //if attribute === undefined -> set default value
+        cache.version = VERSION;
+    }
+}
+
+/**
+ * Builds a fresh save document for a world that has never been played.
+ *
+ * `gates` is an object (not an array) filled by looping REGIONS and copying
+ * each region's unlockedAtStart value, so adding a region to the config
+ * automatically adds its gate here with no change to this function.
+ */
+function buildDefaults() {
+const gates = {};
+const coins = 0;
+for(const id in REGIONS)
+{
+gates[id] = REGIONS[id].unlockedAtStart;
+}
+return{version: VERSION, gates: gates, coins: coins};
+}
+
+/**
+ * Returns the cached save document.
+ * This is the live object, not a copy - anything that mutates what comes back
+ * must call saveState() afterwards, or the change is lost on world close.
+ */
+export function getState() {
+        return cache;
+}
+
+/**
+* buildDefaults returns a value, 
+* using .gates returns just the 
+* gates value rather than coins 
+* and other default data
+*/
+export function resetGates() {
+    cache.gates = buildDefaults().gates;
+    saveState();
+}
+export function resetGate(id) {
+    //resets the gate from the config/region config
+    cache.gates[id] = REGIONS[id].unlockedAtStart;
+    saveState();
+}
+
+/**
+ * Sets a region's gate to T/F and persists the change.
+ * e.g. updateGate("farmland", state)  ->  
+ * cache.gates["farmland"] = state
+ * 
+ * undefined will remove a gate from the cache
+ */
+export function unlockGate(nKey, state) {
+cache.gates[nKey] = state; 
+saveState();
+}
+
+export function unlockGates() {
+for(const id in REGIONS) {
+cache.gates[id] = true;
+}
+saveState();
+}
+
+export function updateBalance(cost) {
+    cache.coins += cost;
+    saveState();
+}
+
+export function returnBalance(){
+    const value = cache.coins;
+    return value;
+}
+
+export function printGateState(){
+console.log(JSON.stringify(getState().gates));
+}
+
+/**
+ * Writes the cache out to the world save, where it survives the world closing.
+ *
+ * Returns early if nothing has been loaded yet - writing a null cache would
+ * store the text "null" and corrupt the save.
+ *
+ * Objects are not a permitted dynamic property value (only boolean, number,
+ * string and Vector3), so the document is converted to JSON text first.
+ */
+export function saveState() {
+    if(cache === null) return;
+    const text = JSON.stringify(cache);
+    world.setDynamicProperty(KEY, text);
+}
\ No newline at end of file
diff --git a/ti_bp/scripts/systems/progression.js b/ti_bp/scripts/systems/progression.js
new file mode 100644
index 0000000..a586034
--- /dev/null
+++ b/ti_bp/scripts/systems/progression.js
@@ -0,0 +1,95 @@
+import { REGIONS } from "../config/regions.js"
+import { getState, updateBalance, unlockGate, returnBalance } from "../save/state.js"
+
+/**
+ * Can this region be unlocked right now, and if not, why not?
+ *
+ * Returns an outcome object rather than a boolean so callers can explain the
+ * refusal to the player. `reason` is a code, not display text - whoever shows
+ * it is responsible for turning it into a translated message.
+ *
+ *   { ok: true }
+ *   { ok: false, reason: "unknown_region" }                          developer error
+ *   { ok: false, reason: "already_unlocked" }
+ *   { ok: false, reason: "missing_prior_region", requires: "farmland" }
+ *   { ok: false, reason: "insufficient_funds", cost: 500, balance: 120 }
+ *
+ * @param {string} regionID - a REGIONS key, e.g. "farmland"
+ */
+export function canUnlock(regionID) {
+
+    /* 
+    the region's whole config record: 
+    { nameKey, order, unlockedAtStart, unlockedCost}
+    */ 
+    const region = REGIONS[regionID];
+    if (region === undefined) {
+        return { ok: false, reason: "unknown_region" };
+    }
+    // order number from the REGIONS section we keyed
+    const order = region.order;
+    // we return the full record.
+    const gates = getState().gates;
+    /* 
+    if the records value for that key's order is 
+    true: unlocked
+    */ 
+    if (gates[regionID] === true) {
+        return { ok: false, reason: "already_unlocked" };
+    }
+
+    /*
+    WE ARE KEYING FOR THE KEY VALUE'S ORDER PRIOR TO PASSED REGION{RegionID}
+    the prior value has to be true for the passed region to unlock
+    */
+    let answer = null;
+    for (const id in REGIONS) {
+        // never pass lagoon otherwise all conditions fail
+        if (REGIONS[id].order === order - 1) {
+            answer = id;
+        }
+    }
+
+    // if first region is auto unlocked we will never meet this condition
+    if (answer === null) {
+        return { ok: false, reason: "missing_prior_region", requires: null };
+    }
+
+    //the region before this one must be open first
+    if (gates[answer] !== true) {
+        return { ok: false, reason: "missing_prior_region", requires: answer };
+    }
+
+    //they have to be able to pay for it.
+    const cost = region.unlockedCost;
+    const balance = returnBalance();
+    if (balance < cost) {
+        return { ok: false, reason: "insufficient_funds", cost: cost, balance: balance };
+    }
+
+    return { ok: true };
+}
+
+/**
+ * Unlocks a region if the rules allow it, charges the cost, and saves.
+ * object canUnlock produced and can explain what went wrong.
+ *
+ * @param {string} regionID - a REGIONS key, e.g. "farmland"
+ */
+export function unlockRegion(regionID) {
+
+    const result = canUnlock(regionID);
+    if (!result.ok) {
+        return result;
+    }
+
+    unlockGate(regionID, true);
+
+    /*
+    always make sure things that cost money are passed negative,
+    because otherwise it would add to the balance
+    */
+    updateBalance(-REGIONS[regionID].unlockedCost);
+
+    return { ok: true };
+}
diff --git a/ti_rp/texts/en_us.lang b/ti_rp/texts/en_us.lang
index 1c5de72..1340d8a 100644
--- a/ti_rp/texts/en_us.lang
+++ b/ti_rp/texts/en_us.lang
@@ -1,2 +1,7 @@
 pack.name=The Tamagotchi Resource Pack
-pack.description=A Resource pack for the Tamagotchi Map
\ No newline at end of file
+pack.description=A Resource pack for the Tamagotchi Map
+
+tama.region.lagoon.name=Lagoon Town
+tama.region.farmland.name=Farmland
+tama.region.seaside.name=Seaside
+tama.region.skyland.name=Skyland
\ No newline at end of file