diff --git a/eslint.config.js b/eslint.config.js
index 8eccab6cb..4f309b3f9 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -39,13 +39,10 @@ export default [
   {
     rules: {
       // Disable rules that would fail. The failures should be fixed, and the entries here removed.
-      "@typescript-eslint/no-empty-object-type": "off",
       "@typescript-eslint/no-explicit-any": "off",
-      "@typescript-eslint/no-require-imports": "off",
       "@typescript-eslint/no-unused-expressions": "off",
       "@typescript-eslint/no-unused-vars": "off",
       "no-case-declarations": "off",
-      "no-useless-escape": "off",
     },
   },
   {
diff --git a/src/core/EventBus.ts b/src/core/EventBus.ts
index 73ee89ccd..008cc7320 100644
--- a/src/core/EventBus.ts
+++ b/src/core/EventBus.ts
@@ -1,4 +1,4 @@
-export interface GameEvent {}
+export type GameEvent = object;
 
 export interface EventConstructor<T extends GameEvent = GameEvent> {
   new (...args: any[]): T;
diff --git a/src/core/Schemas.ts b/src/core/Schemas.ts
index f7ee6fd6b..9c359b41e 100644
--- a/src/core/Schemas.ts
+++ b/src/core/Schemas.ts
@@ -162,7 +162,7 @@ export const TeamSchema = z.string();
 const SafeString = z
   .string()
   .regex(
-    /^([a-zA-Z0-9\s.,!?@#$%&*()\-_+=\[\]{}|;:"'\/\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff]|üÜ])*$/,
+    /^([a-zA-Z0-9\s.,!?@#$%&*()\-_+=[\]{}|;:"'/\u00a9|\u00ae|[\u2000-\u3300]|\ud83c[\ud000-\udfff]|\ud83d[\ud000-\udfff]|\ud83e[\ud000-\udfff]|üÜ])*$/,
   )
   .max(1000);
 
diff --git a/src/core/Util.ts b/src/core/Util.ts
index 06d2246b2..ba138fe3c 100644
--- a/src/core/Util.ts
+++ b/src/core/Util.ts
@@ -139,7 +139,7 @@ export function getMode(list: Set<number>): number {
 export function sanitize(name: string): string {
   return Array.from(name)
     .join("")
-    .replace(/[^\p{L}\p{N}\s\p{Emoji}\p{Emoji_Component}\[\]_]/gu, "");
+    .replace(/[^\p{L}\p{N}\s\p{Emoji}\p{Emoji_Component}[\]_]/gu, "");
 }
 
 export function processName(name: string): string {
diff --git a/src/core/execution/MissileSiloExecution.ts b/src/core/execution/MissileSiloExecution.ts
index ad05dfd1c..a7cd2bb6c 100644
--- a/src/core/execution/MissileSiloExecution.ts
+++ b/src/core/execution/MissileSiloExecution.ts
@@ -25,9 +25,7 @@ export class MissileSiloExecution implements Execution {
         this.active = false;
         return;
       }
-      this.silo = this.player.buildUnit(UnitType.MissileSilo, spawn, {
-        cooldownDuration: this.mg.config().SiloCooldown(),
-      });
+      this.silo = this.player.buildUnit(UnitType.MissileSilo, spawn, {});
 
       if (this.player !== this.silo.owner()) {
         this.player = this.silo.owner();
diff --git a/src/core/execution/SAMLauncherExecution.ts b/src/core/execution/SAMLauncherExecution.ts
index 1ff7f0b03..a897711fa 100644
--- a/src/core/execution/SAMLauncherExecution.ts
+++ b/src/core/execution/SAMLauncherExecution.ts
@@ -96,9 +96,7 @@ export class SAMLauncherExecution implements Execution {
         this.active = false;
         return;
       }
-      this.sam = this.player.buildUnit(UnitType.SAMLauncher, spawnTile, {
-        cooldownDuration: this.mg.config().SAMCooldown(),
-      });
+      this.sam = this.player.buildUnit(UnitType.SAMLauncher, spawnTile, {});
     }
     if (!this.sam.isActive()) {
       this.active = false;
diff --git a/src/core/game/Game.ts b/src/core/game/Game.ts
index 3eca00170..5c50d07c3 100644
--- a/src/core/game/Game.ts
+++ b/src/core/game/Game.ts
@@ -194,11 +194,11 @@ export interface UnitParamsMap {
     patrolTile: TileRef;
   };
 
-  [UnitType.Shell]: {};
+  [UnitType.Shell]: Record<string, never>;
 
-  [UnitType.SAMMissile]: {};
+  [UnitType.SAMMissile]: Record<string, never>;
 
-  [UnitType.Port]: {};
+  [UnitType.Port]: Record<string, never>;
 
   [UnitType.AtomBomb]: {
     targetTile?: number;
@@ -219,25 +219,23 @@ export interface UnitParamsMap {
     loaded?: boolean;
   };
 
-  [UnitType.Factory]: {};
+  [UnitType.Factory]: Record<string, never>;
 
-  [UnitType.MissileSilo]: {
-    cooldownDuration?: number;
-  };
+  [UnitType.MissileSilo]: Record<string, never>;
 
-  [UnitType.DefensePost]: {};
+  [UnitType.DefensePost]: Record<string, never>;
 
-  [UnitType.SAMLauncher]: {};
+  [UnitType.SAMLauncher]: Record<string, never>;
 
-  [UnitType.City]: {};
+  [UnitType.City]: Record<string, never>;
 
-  [UnitType.MIRV]: {};
+  [UnitType.MIRV]: Record<string, never>;
 
   [UnitType.MIRVWarhead]: {
     targetTile?: number;
   };
 
-  [UnitType.Construction]: {};
+  [UnitType.Construction]: Record<string, never>;
 }
 
 // Type helper to get params type for a specific unit type
@@ -381,7 +379,12 @@ export class PlayerInfo {
 }
 
 export function isUnit(unit: Unit | UnitParams<UnitType>): unit is Unit {
-  return "isUnit" in unit && typeof unit.isUnit === "function" && unit.isUnit();
+  return (
+    unit !== undefined &&
+    "isUnit" in unit &&
+    typeof unit.isUnit === "function" &&
+    unit.isUnit()
+  );
 }
 
 export interface Unit {
diff --git a/src/core/validations/username.ts b/src/core/validations/username.ts
index 7cc6c03d1..a7fe4f9dd 100644
--- a/src/core/validations/username.ts
+++ b/src/core/validations/username.ts
@@ -22,7 +22,7 @@ const matcher = new RegExpMatcher({
 export const MIN_USERNAME_LENGTH = 3;
 export const MAX_USERNAME_LENGTH = 27;
 
-const validPattern = /^[a-zA-Z0-9_\[\] 🐈🍀üÜ]+$/u;
+const validPattern = /^[a-zA-Z0-9_[\] 🐈🍀üÜ]+$/u;
 
 const shadowNames = [
   "NicePeopleOnly",
diff --git a/tests/core/executions/SAMLauncherExecution.test.ts b/tests/core/executions/SAMLauncherExecution.test.ts
index 993488399..2802c3b76 100644
--- a/tests/core/executions/SAMLauncherExecution.test.ts
+++ b/tests/core/executions/SAMLauncherExecution.test.ts
@@ -130,9 +130,7 @@ describe("SAM", () => {
   });
 
   test("two sams should not target twice same nuke", async () => {
-    const sam1 = defender.buildUnit(UnitType.SAMLauncher, game.ref(1, 1), {
-      cooldownDuration: 10,
-    });
+    const sam1 = defender.buildUnit(UnitType.SAMLauncher, game.ref(1, 1), {});
     game.addExecution(new SAMLauncherExecution(defender, null, sam1));
     const sam2 = defender.buildUnit(UnitType.SAMLauncher, game.ref(1, 2), {});
     game.addExecution(new SAMLauncherExecution(defender, null, sam2));