diff --git a/industry_game/handlers/games/lobby/read_lobby.py b/industry_game/handlers/games/lobby/read_lobby.py
index 5c5b585..31c86e9 100644
--- a/industry_game/handlers/games/lobby/read_lobby.py
+++ b/industry_game/handlers/games/lobby/read_lobby.py
@@ -1,4 +1,4 @@
-from aiohttp.web import HTTPNotFound, Response, View
+from aiohttp.web import Response, View
 
 from industry_game.utils.http.auth.base import (
     AuthMixin,
@@ -7,6 +7,7 @@
 from industry_game.utils.http.deps import DependenciesMixin
 from industry_game.utils.http.params import parse_path_param
 from industry_game.utils.http.response import msgspec_json_response
+from industry_game.utils.lobby.models import LobbyStatus, LobbyStatusType
 
 
 class ReadGameUserLobbyHandler(View, DependenciesMixin, AuthMixin):
@@ -14,7 +15,12 @@ class ReadGameUserLobbyHandler(View, DependenciesMixin, AuthMixin):
     async def get(self) -> Response:
         game_id = parse_path_param(self.request, "game_id", int)
 
-        game = await self.game_storage.read_by_id(game_id=game_id)
-        if game is None:
-            raise HTTPNotFound
-        return msgspec_json_response(game)
+        lobby = await self.lobby_storage.read_by_id(
+            game_id=game_id,
+            user_id=self.user.id,
+        )
+        if lobby is None:
+            status = LobbyStatusType.NOT_CHECKED_IN
+        else:
+            status = LobbyStatusType.CHECKED_IN
+        return msgspec_json_response(LobbyStatus(status=status))
diff --git a/industry_game/utils/lobby/models.py b/industry_game/utils/lobby/models.py
index 892647c..6935446 100644
--- a/industry_game/utils/lobby/models.py
+++ b/industry_game/utils/lobby/models.py
@@ -1,3 +1,5 @@
+from enum import StrEnum, unique
+
 import msgspec
 
 from industry_game.db.models import UserGameLobby as UserGameLobbyDb
@@ -20,3 +22,13 @@ def from_model(cls, obj: UserGameLobbyDb) -> "Lobby":
 class LobbyPagination(msgspec.Struct, frozen=True):
     meta: MetaPagination
     items: list[ShortUser]
+
+
+@unique
+class LobbyStatusType(StrEnum):
+    CHECKED_IN = "CHECKED_IN"
+    NOT_CHECKED_IN = "NOT_CHECKED_IN"
+
+
+class LobbyStatus(msgspec.Struct, frozen=True):
+    status: StrEnum
diff --git a/industry_game/utils/users/base.py b/industry_game/utils/users/base.py
index 8071cf3..f22cfe5 100644
--- a/industry_game/utils/users/base.py
+++ b/industry_game/utils/users/base.py
@@ -1,6 +1,6 @@
 from enum import StrEnum
 
-from pydantic import BaseModel, ConfigDict
+from pydantic import BaseModel, ConfigDict, Field
 
 from industry_game.utils.msgspec import CustomStruct
 
@@ -11,8 +11,10 @@ class UserType(StrEnum):
 
 
 class RegisterPlayerModel(BaseModel):
-    username: str
-    password: str
+    username: str = Field(min_length=8)
+    password: str = Field(min_length=8)
+    telegram: str = Field(min_length=2)
+    name: str = Field(min_length=5)
 
 
 class AuthUserModel(BaseModel):
diff --git a/industry_game/utils/users/models.py b/industry_game/utils/users/models.py
index a6492f4..f1866d1 100644
--- a/industry_game/utils/users/models.py
+++ b/industry_game/utils/users/models.py
@@ -29,6 +29,8 @@ class FullUser(CustomStruct, frozen=True):
     id: int
     type: UserType
     username: str
+    telegram: str
+    name: str
 
     @classmethod
     def from_model(self, obj: UserDb) -> "FullUser":
@@ -36,4 +38,6 @@ def from_model(self, obj: UserDb) -> "FullUser":
             id=obj.id,
             type=obj.type,
             username=obj.username,
+            telegram=obj.properties.get("telegram", ""),
+            name=obj.properties.get("name", ""),
         )
diff --git a/industry_game/utils/users/processor.py b/industry_game/utils/users/processor.py
index 487f8d8..103e414 100644
--- a/industry_game/utils/users/processor.py
+++ b/industry_game/utils/users/processor.py
@@ -28,6 +28,10 @@ async def register(self, player: RegisterPlayerModel) -> AuthToken:
         user = await self.player_storage.create(
             username=player.username,
             password_hash=self.passgen.hashpw(player.password),
+            properties={
+                "telegram": player.telegram,
+                "name": player.name,
+            },
         )
         token = self.authorization_provider.generate_token(user=user)
         return AuthToken(token=token)
diff --git a/industry_game/utils/users/storage.py b/industry_game/utils/users/storage.py
index a028449..4b5e9ec 100644
--- a/industry_game/utils/users/storage.py
+++ b/industry_game/utils/users/storage.py
@@ -1,4 +1,5 @@
 import asyncio
+from collections.abc import Mapping
 
 from sqlalchemy import func, insert, select
 from sqlalchemy.ext.asyncio import AsyncSession
@@ -18,6 +19,7 @@ async def create(
         *,
         username: str,
         password_hash: str,
+        properties: Mapping[str, str],
         commit: bool = True,
     ) -> FullUser:
         stmt = (
@@ -25,6 +27,7 @@ async def create(
             .values(
                 username=username,
                 password_hash=password_hash,
+                properties=properties,
             )
             .returning(UserDb)
         )
@@ -50,10 +53,7 @@ async def read_by_username(
         session: AsyncSession,
         username: str,
     ) -> FullUser | None:
-        stmt = select(UserDb).where(
-            UserDb.type == UserType.PLAYER,
-            UserDb.username == username,
-        )
+        stmt = select(UserDb).where(UserDb.username == username)
         obj = (await session.scalars(stmt)).first()
         return FullUser.from_model(obj) if obj else None
 
diff --git a/tests/test_api/__init__.py b/tests/api/__init__.py
similarity index 100%
rename from tests/test_api/__init__.py
rename to tests/api/__init__.py
diff --git a/tests/test_api/test_games/__init__.py b/tests/api/games/__init__.py
similarity index 100%
rename from tests/test_api/test_games/__init__.py
rename to tests/api/games/__init__.py
diff --git a/tests/test_api/test_games/test_game_create.py b/tests/api/games/test_game_create.py
similarity index 100%
rename from tests/test_api/test_games/test_game_create.py
rename to tests/api/games/test_game_create.py
diff --git a/tests/test_api/test_games/test_game_details.py b/tests/api/games/test_game_details.py
similarity index 100%
rename from tests/test_api/test_games/test_game_details.py
rename to tests/api/games/test_game_details.py
diff --git a/tests/test_api/test_games/test_game_list.py b/tests/api/games/test_game_list.py
similarity index 100%
rename from tests/test_api/test_games/test_game_list.py
rename to tests/api/games/test_game_list.py
diff --git a/tests/test_api/test_games/test_lobby/__init__.py b/tests/api/games/test_lobby/__init__.py
similarity index 100%
rename from tests/test_api/test_games/test_lobby/__init__.py
rename to tests/api/games/test_lobby/__init__.py
diff --git a/tests/test_api/test_players/__init__.py b/tests/api/players/__init__.py
similarity index 100%
rename from tests/test_api/test_players/__init__.py
rename to tests/api/players/__init__.py
diff --git a/tests/test_api/test_players/test_login_player.py b/tests/api/players/test_player_login.py
similarity index 100%
rename from tests/test_api/test_players/test_login_player.py
rename to tests/api/players/test_player_login.py
diff --git a/tests/api/players/test_player_register.py b/tests/api/players/test_player_register.py
new file mode 100644
index 0000000..4a53d8b
--- /dev/null
+++ b/tests/api/players/test_player_register.py
@@ -0,0 +1,66 @@
+from http import HTTPStatus
+
+import pytest
+from aiohttp.test_utils import TestClient
+from sqlalchemy import select
+from sqlalchemy.ext.asyncio import AsyncSession
+from yarl import URL
+
+from industry_game.db.models import User
+from industry_game.utils.users.base import UserType
+
+API_URL = URL("/api/v1/players/register/")
+
+
+async def test_player_register_successful_status_created(
+    api_client: TestClient,
+):
+    response = await api_client.post(
+        API_URL,
+        json={
+            "username": "username",
+            "password": "password",
+            "telegram": "telegram",
+            "name": "your name",
+        },
+    )
+    assert response.status == HTTPStatus.CREATED
+
+
+async def test_player_register_successful_check_db(
+    api_client: TestClient,
+    session: AsyncSession,
+):
+    await api_client.post(
+        API_URL,
+        json={
+            "username": "username",
+            "password": "password",
+            "telegram": "telegram",
+            "name": "your name",
+        },
+    )
+    user = (
+        await session.scalars(select(User).where(User.username == "username"))
+    ).one()
+
+    assert user.username == "username"
+    assert user.type == UserType.PLAYER
+
+
+@pytest.mark.parametrize("user_type", (UserType.ADMIN, UserType.PLAYER))
+async def test_player_register_same_username_error_conflict(
+    api_client: TestClient, create_user, user_type
+):
+    user = await create_user(type=user_type)
+
+    response = await api_client.post(
+        API_URL,
+        json={
+            "username": user.username,
+            "password": "password",
+            "telegram": "telegram",
+            "name": "your name",
+        },
+    )
+    assert response.status == HTTPStatus.BAD_REQUEST
diff --git a/tests/test_api/test_ping.py b/tests/api/test_ping.py
similarity index 100%
rename from tests/test_api/test_ping.py
rename to tests/api/test_ping.py
diff --git a/tests/test_db/__init__.py b/tests/db/__init__.py
similarity index 100%
rename from tests/test_db/__init__.py
rename to tests/db/__init__.py
diff --git a/tests/test_db/test_migrations.py b/tests/db/test_migrations.py
similarity index 100%
rename from tests/test_db/test_migrations.py
rename to tests/db/test_migrations.py