diff --git a/packages/game/src/Stage.ts b/packages/game/src/Stage.ts
index 7517dc9..579bb74 100644
--- a/packages/game/src/Stage.ts
+++ b/packages/game/src/Stage.ts
@@ -1,4 +1,4 @@
-import { IStage, ICommand } from './types'
+import { IStage, ICommand, IFileExistenceChecker } from './types'
 import { Condition } from './condition/Condition'
 
 export class Stage {
@@ -12,7 +12,10 @@ export class Stage {
     this.condition = new Condition(condition)
   }
 
-  satisfies(command: ICommand): boolean {
-    return this.condition.match(command)
+  async satisfies(
+    command: ICommand,
+    checker: IFileExistenceChecker
+  ): Promise<boolean> {
+    return this.condition.match(command) && this.condition.check(checker)
   }
 }
diff --git a/packages/game/test/asyncCondition.test.ts b/packages/game/test/asyncCondition.test.ts
index da4399d..8ad2630 100644
--- a/packages/game/test/asyncCondition.test.ts
+++ b/packages/game/test/asyncCondition.test.ts
@@ -3,7 +3,7 @@ import { IFileExistenceChecker, FileType, FileInput } from '../src/types.js'
 import { checkFiles } from '../src/condition/FileMatcher.js'
 import { Condition } from '../src/condition/Condition.js'
 
-class MockFileChecker implements IFileExistenceChecker {
+export class MockFileChecker implements IFileExistenceChecker {
   private files: FileInput[] = [
     {
       path: '/home/user/hello.txt',
diff --git a/packages/game/test/stage.test.ts b/packages/game/test/stage.test.ts
index 8fa1617..5631e21 100644
--- a/packages/game/test/stage.test.ts
+++ b/packages/game/test/stage.test.ts
@@ -1,7 +1,11 @@
 import { test, expect } from '@jest/globals'
 import { Stage } from '../src/Stage'
+import { FileType } from '../src/types'
+import { MockFileChecker } from './asyncCondition.test'
 
-test('check stage condition', () => {
+const checker = new MockFileChecker()
+
+test('check stage condition', async () => {
   const stage = new Stage({
     id: 'stage1',
     name: 'List the files using `ls`',
@@ -11,15 +15,55 @@ test('check stage condition', () => {
     },
   })
   expect(
-    stage.satisfies({
-      command: 'ls',
-      pwd: '/home/user',
-    })
+    await stage.satisfies(
+      {
+        command: 'ls',
+        pwd: '/home/user',
+      },
+      checker
+    )
   ).toBe(true)
   expect(
-    stage.satisfies({
-      command: 'ls',
-      pwd: '/home/user/Downloads',
-    })
+    await stage.satisfies(
+      {
+        command: 'ls',
+        pwd: '/home/user/Downloads',
+      },
+      checker
+    )
   ).toBe(false)
 })
+
+test('check stage with async condition truthy', async () => {
+  const stage = new Stage({
+    id: 'stage1',
+    name: 'Create file',
+    condition: {
+      files: [
+        {
+          path: '/home/user/hello.txt',
+          type: FileType.FILE,
+          exists: true,
+        },
+      ],
+    },
+  })
+  expect(await stage.satisfies({}, checker)).toBe(true)
+})
+
+test('check stage with async condition falsy', async () => {
+  const stage = new Stage({
+    id: 'stage1',
+    name: 'Create file',
+    condition: {
+      files: [
+        {
+          path: '/home/user/not-exists.txt',
+          type: FileType.FILE,
+          exists: true,
+        },
+      ],
+    },
+  })
+  expect(await stage.satisfies({}, checker)).toBe(false)
+})