diff --git a/api/main.proto b/api/main.proto
index 8731564..769a740 100644
--- a/api/main.proto
+++ b/api/main.proto
@@ -1268,6 +1268,7 @@ message AddGameReq {
   string                    description = 2;
   google.protobuf.Timestamp start_at    = 3;
   int32                     scenario_id = 4;
+  string                    format      = 5;
 }
 
 message AddGameRsp {
@@ -1292,6 +1293,7 @@ message Game {
   repeated Team                      teams       = 7;
   optional google.protobuf.Timestamp started_at  = 8;
   optional google.protobuf.Timestamp ended_at    = 9;
+  string                             format      = 10;
 }
 
 enum ScreenMode {
@@ -1515,6 +1517,7 @@ message UpdateGameReq {
   string                    description = 3;
   google.protobuf.Timestamp start_at    = 4;
   int32                     scenario_id = 5;
+  string                    format      = 6;
 }
 
 message UpdateGameRsp {
diff --git a/bin/evening_detective_server b/bin/evening_detective_server
index e59e6d9..9079ecc 100755
Binary files a/bin/evening_detective_server and b/bin/evening_detective_server differ
diff --git a/cmd/evening_detective_server/main.swagger.json b/cmd/evening_detective_server/main.swagger.json
index 851f9c4..7e7c14f 100644
--- a/cmd/evening_detective_server/main.swagger.json
+++ b/cmd/evening_detective_server/main.swagger.json
@@ -2770,6 +2770,9 @@
         "scenarioId": {
           "type": "integer",
           "format": "int32"
+        },
+        "format": {
+          "type": "string"
         }
       }
     },
@@ -2890,6 +2893,9 @@
         "scenarioId": {
           "type": "integer",
           "format": "int32"
+        },
+        "format": {
+          "type": "string"
         }
       }
     },
@@ -3215,6 +3221,9 @@
         "endedAt": {
           "type": "string",
           "format": "date-time"
+        },
+        "format": {
+          "type": "string"
         }
       }
     },
diff --git a/internal/app/game_mapper.go b/internal/app/game_mapper.go
index a1396c0..d3aa7d7 100644
--- a/internal/app/game_mapper.go
+++ b/internal/app/game_mapper.go
@@ -25,6 +25,7 @@ func mapGame(
 		Description: o.Description,
 		StartAt:     timestamppb.New(o.StartAt),
 		Status:      o.Status,
+		Format:      o.Format,
 		Scenario:    mapScenario(o.Scenario),
 		Teams:       mapTeams(o.Teams),
 		StartedAt:   startedAt,
diff --git a/internal/app/server.go b/internal/app/server.go
index 70eacee..4db8e8f 100644
--- a/internal/app/server.go
+++ b/internal/app/server.go
@@ -1152,6 +1152,7 @@ func (s *server) AddGame(ctx context.Context, req *proto.AddGameReq) (*proto.Add
 		req.Description,
 		req.StartAt.AsTime(),
 		req.ScenarioId,
+		req.Format,
 	)
 	if err != nil {
 		return &proto.AddGameRsp{
@@ -1274,6 +1275,7 @@ func (s *server) UpdateGame(ctx context.Context, req *proto.UpdateGameReq) (*pro
 		req.Description,
 		req.StartAt.AsTime(),
 		req.ScenarioId,
+		req.Format,
 	)
 	if err != nil {
 		return &proto.UpdateGameRsp{
diff --git a/internal/repos/game.go b/internal/repos/game.go
index bc36a84..b19d401 100644
--- a/internal/repos/game.go
+++ b/internal/repos/game.go
@@ -5,6 +5,7 @@ import (
 )
 
 type Game struct {
+	Format      string
 	ID          int
 	Name        string
 	Description string
diff --git a/internal/repos/games_repo/repo.go b/internal/repos/games_repo/repo.go
index 9dca07f..c353a0e 100644
--- a/internal/repos/games_repo/repo.go
+++ b/internal/repos/games_repo/repo.go
@@ -30,17 +30,19 @@ func (r *GamesRepo) AddGame(
 	description string,
 	startAt time.Time,
 	scenarioId int32,
+	format string,
 ) (int, error) {
 	id := 0
 	err := r.pool.QueryRow(
 		ctx,
-		`INSERT INTO games (name, description, start_at, scenario_id)
-		VALUES ($1, $2, $3, $4)
+		`INSERT INTO games (name, description, start_at, scenario_id, format)
+		VALUES ($1, $2, $3, $4, $5)
 		RETURNING id`,
 		name,
 		description,
 		startAt,
 		scenarioId,
+		format,
 	).Scan(&id)
 
 	if err != nil {
@@ -61,6 +63,7 @@ func (r *GamesRepo) GetGameByID(
 			games.name, 
 			games.description, 
 			games.start_at,
+			games.format,
 			games.status,
 			games.scenario_id,
 			games.started_at,
@@ -74,6 +77,7 @@ func (r *GamesRepo) GetGameByID(
 		&game.Name,
 		&game.Description,
 		&game.StartAt,
+		&game.Format,
 		&game.Status,
 		&game.ScenarioId,
 		&game.StartedAt,
@@ -118,6 +122,7 @@ func (r *GamesRepo) GetGames(
 			games.name, 
 			games.description, 
 			games.start_at,
+			games.format,
 			games.status
 		FROM games
 		ORDER BY created_at DESC`,
@@ -135,6 +140,7 @@ func (r *GamesRepo) GetGames(
 			&game.Name,
 			&game.Description,
 			&game.StartAt,
+			&game.Format,
 			&game.Status,
 		)
 		if err != nil {
@@ -156,6 +162,7 @@ func (r *GamesRepo) UpdateGame(
 	description string,
 	startAt time.Time,
 	scenarioId int32,
+	format string,
 ) error {
 	tag, err := r.pool.Exec(
 		ctx,
@@ -165,12 +172,14 @@ func (r *GamesRepo) UpdateGame(
 			description = $2,
 			start_at = $3,
 			scenario_id = $4,
+			format = $5,
 			updated_at = NOW()
-		WHERE id = $5`,
+		WHERE id = $6`,
 		name,
 		description,
 		startAt,
 		scenarioId,
+		format,
 		id,
 	)
 	if err != nil {
diff --git a/internal/services/game_service/game.go b/internal/services/game_service/game.go
index 4027642..a059e0a 100644
--- a/internal/services/game_service/game.go
+++ b/internal/services/game_service/game.go
@@ -6,6 +6,7 @@ import (
 )
 
 type Game struct {
+	Format      string
 	ID          int
 	Name        string
 	Description string
diff --git a/internal/services/game_service/game_mapper.go b/internal/services/game_service/game_mapper.go
index df85abc..4ea1d9c 100644
--- a/internal/services/game_service/game_mapper.go
+++ b/internal/services/game_service/game_mapper.go
@@ -15,6 +15,7 @@ func mapGame(
 		Description: o.Description,
 		StartAt:     o.StartAt,
 		Status:      o.Status,
+		Format:      o.Format,
 		Scenario:    scenarios_service.MapScenarioLight(o.Scenario, domain),
 		Teams:       mapTeams(o.Teams),
 		StartedAt:   o.StartedAt,
diff --git a/internal/services/game_service/service.go b/internal/services/game_service/service.go
index 9c3f614..97be402 100644
--- a/internal/services/game_service/service.go
+++ b/internal/services/game_service/service.go
@@ -72,8 +72,15 @@ func (s *GameService) AddGame(
 	description string,
 	startAt time.Time,
 	scenarioId int32,
+	format string,
 ) (int, error) {
-	id, err := s.gamesRepo.AddGame(ctx, name, description, startAt, scenarioId)
+	if format == "" {
+		format = "online"
+	}
+	if format != "online" && format != "offline" {
+		return 0, errors.New("Формат игры должен быть online или offline")
+	}
+	id, err := s.gamesRepo.AddGame(ctx, name, description, startAt, scenarioId, format)
 	if err != nil {
 		return 0, err
 	}
@@ -170,8 +177,19 @@ func (s *GameService) UpdateGame(
 	description string,
 	startAt time.Time,
 	scenarioId int32,
+	format string,
 ) error {
-	return s.gamesRepo.UpdateGame(ctx, id, name, description, startAt, scenarioId)
+	if format == "" {
+		game, err := s.gamesRepo.GetGameByID(ctx, id)
+		if err != nil {
+			return err
+		}
+		format = game.Format
+	}
+	if format != "online" && format != "offline" {
+		return errors.New("Формат игры должен быть online или offline")
+	}
+	return s.gamesRepo.UpdateGame(ctx, id, name, description, startAt, scenarioId, format)
 }
 
 func (s *GameService) StartGame(ctx context.Context, id int) error {
@@ -255,7 +273,9 @@ func (s *GameService) GetTeamActions(ctx context.Context, teamId int, password s
 	for i, action := range actions {
 		codes[i] = action.Code
 	}
-	return s.storyteller.GetStory(scenario.Story, codes), mapGame(game, s.domain), actions, nil
+	story := s.storyteller.GetStory(scenario.Story, codes)
+	filterTeamStory(story, game.Format)
+	return story, mapGame(game, s.domain), actions, nil
 }
 
 func (s *GameService) AddTeamAction(ctx context.Context, teamId int, password string, actionCode string, viaMCP bool) error {
@@ -394,6 +414,9 @@ func (s *GameService) GetTeamAnswers(ctx context.Context, teamId int, password s
 	if err != nil {
 		return nil, err
 	}
+	if game.Format == "offline" {
+		return nil, nil
+	}
 	_, byCode, err := s.getScenarioQuestionsByCode(ctx, game.ScenarioId)
 	if err != nil {
 		return nil, err
@@ -424,6 +447,9 @@ func (s *GameService) SubmitTeamAnswers(ctx context.Context, teamId int, passwor
 	if err != nil {
 		return err
 	}
+	if game.Format == "offline" {
+		return errors.New("В offline-игре ответы через сайт недоступны")
+	}
 	switch game.Status {
 	case "run", "pause":
 		// игра идёт — можно отвечать
diff --git a/internal/services/game_service/team_story.go b/internal/services/game_service/team_story.go
new file mode 100644
index 0000000..c391f6d
--- /dev/null
+++ b/internal/services/game_service/team_story.go
@@ -0,0 +1,18 @@
+package game_service
+
+import "evening_detective_server/internal/modules/storytelling"
+
+// filterTeamStory применяется только к истории команды, общей для сайта и MCP.
+func filterTeamStory(story *storytelling.Story, format string) {
+	if format != "offline" {
+		return
+	}
+	story.Introduction = nil
+	story.Questions = nil
+	for _, place := range story.Places {
+		for _, application := range place.Applications {
+			application.Image = ""
+			application.FileType = ""
+		}
+	}
+}
diff --git a/internal/services/game_service/team_story_test.go b/internal/services/game_service/team_story_test.go
new file mode 100644
index 0000000..b753146
--- /dev/null
+++ b/internal/services/game_service/team_story_test.go
@@ -0,0 +1,53 @@
+package game_service
+
+import (
+	"testing"
+
+	"evening_detective_server/internal/modules/cleaner"
+	"evening_detective_server/internal/modules/storytelling"
+)
+
+func TestTeamStoryFormat(t *testing.T) {
+	scenario := &storytelling.Story{
+		Introduction: &storytelling.Introduction{Text: "Введение", Audio: "intro.mp3"},
+		Questions:    []*storytelling.Question{{Code: "q", Text: "Вопрос"}},
+		Places: []*storytelling.Place{{Code: "p", Text: "Точка", Image: "place.jpg",
+			Applications: []*storytelling.Application{
+				{Name: "Фото", Image: "clue.jpg", FileType: "image"},
+				{Name: "Документ", Image: "clue.pdf", FileType: "pdf"},
+				{Name: "Запись", Image: "clue.mp3", FileType: "audio"},
+			},
+		}},
+	}
+	for _, format := range []string{"offline", "online"} {
+		t.Run(format, func(t *testing.T) {
+			story := storytelling.NewStory(cleaner.NewCleaner()).GetStory(scenario, []string{"p"})
+			filterTeamStory(story, format)
+			if len(story.Places) != 1 || story.Places[0].Text != "Точка" || story.Places[0].Image != "place.jpg" {
+				t.Fatal("place content changed")
+			}
+			if format == "offline" {
+				if story.Introduction != nil || len(story.Questions) != 0 {
+					t.Fatal("offline story exposes introduction or questions")
+				}
+			} else if story.Introduction == nil || len(story.Questions) != 1 {
+				t.Fatal("online story lost introduction or questions")
+			}
+			if len(story.Places[0].Applications) != 3 {
+				t.Fatal("clue names missing")
+			}
+			for i, application := range story.Places[0].Applications {
+				original := scenario.Places[0].Applications[i]
+				if application.Name != original.Name || original.Image == "" || original.FileType == "" {
+					t.Fatal("clue name or original scenario changed")
+				}
+				if format == "offline" && (application.Image != "" || application.FileType != "") {
+					t.Fatal("offline story exposes a clue file")
+				}
+				if format == "online" && application.Image != original.Image {
+					t.Fatal("online story lost a clue file")
+				}
+			}
+		})
+	}
+}
diff --git a/migrations/20260913120000_add_game_format.sql b/migrations/20260913120000_add_game_format.sql
new file mode 100644
index 0000000..3ebc6eb
--- /dev/null
+++ b/migrations/20260913120000_add_game_format.sql
@@ -0,0 +1,6 @@
+-- +goose Up
+ALTER TABLE games ADD COLUMN format TEXT NOT NULL DEFAULT 'online'
+    CHECK (format IN ('online', 'offline'));
+
+-- +goose Down
+ALTER TABLE games DROP COLUMN format;
diff --git a/proto/main.pb.go b/proto/main.pb.go
index 9a39079..dcf9c17 100644
--- a/proto/main.pb.go
+++ b/proto/main.pb.go
@@ -4387,6 +4387,7 @@ type AddGameReq struct {
 	Description   string                 `protobuf:"bytes,2,opt,name=description,proto3" json:"description,omitempty"`
 	StartAt       *timestamppb.Timestamp `protobuf:"bytes,3,opt,name=start_at,json=startAt,proto3" json:"start_at,omitempty"`
 	ScenarioId    int32                  `protobuf:"varint,4,opt,name=scenario_id,json=scenarioId,proto3" json:"scenario_id,omitempty"`
+	Format        string                 `protobuf:"bytes,5,opt,name=format,proto3" json:"format,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -4449,6 +4450,13 @@ func (x *AddGameReq) GetScenarioId() int32 {
 	return 0
 }
 
+func (x *AddGameReq) GetFormat() string {
+	if x != nil {
+		return x.Format
+	}
+	return ""
+}
+
 type AddGameRsp struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Error         string                 `protobuf:"bytes,1,opt,name=error,proto3" json:"error,omitempty"`
@@ -4600,6 +4608,7 @@ type Game struct {
 	Teams         []*Team                `protobuf:"bytes,7,rep,name=teams,proto3" json:"teams,omitempty"`
 	StartedAt     *timestamppb.Timestamp `protobuf:"bytes,8,opt,name=started_at,json=startedAt,proto3,oneof" json:"started_at,omitempty"`
 	EndedAt       *timestamppb.Timestamp `protobuf:"bytes,9,opt,name=ended_at,json=endedAt,proto3,oneof" json:"ended_at,omitempty"`
+	Format        string                 `protobuf:"bytes,10,opt,name=format,proto3" json:"format,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -4697,6 +4706,13 @@ func (x *Game) GetEndedAt() *timestamppb.Timestamp {
 	return nil
 }
 
+func (x *Game) GetFormat() string {
+	if x != nil {
+		return x.Format
+	}
+	return ""
+}
+
 type ScreenState struct {
 	state           protoimpl.MessageState `protogen:"open.v1"`
 	Id              string                 `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
@@ -6620,6 +6636,7 @@ type UpdateGameReq struct {
 	Description   string                 `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
 	StartAt       *timestamppb.Timestamp `protobuf:"bytes,4,opt,name=start_at,json=startAt,proto3" json:"start_at,omitempty"`
 	ScenarioId    int32                  `protobuf:"varint,5,opt,name=scenario_id,json=scenarioId,proto3" json:"scenario_id,omitempty"`
+	Format        string                 `protobuf:"bytes,6,opt,name=format,proto3" json:"format,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -6689,6 +6706,13 @@ func (x *UpdateGameReq) GetScenarioId() int32 {
 	return 0
 }
 
+func (x *UpdateGameReq) GetFormat() string {
+	if x != nil {
+		return x.Format
+	}
+	return ""
+}
+
 type UpdateGameRsp struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Error         string                 `protobuf:"bytes,1,opt,name=error,proto3" json:"error,omitempty"`
@@ -8680,14 +8704,15 @@ const file_main_proto_rawDesc = "" +
 	"\x02id\x18\x01 \x01(\x05R\x02id\"@\n" +
 	"\x18UploadScenarioArchiveRsp\x12\x14\n" +
 	"\x05error\x18\x01 \x01(\tR\x05error\x12\x0e\n" +
-	"\x02id\x18\x02 \x01(\x05R\x02id\"\x9a\x01\n" +
+	"\x02id\x18\x02 \x01(\x05R\x02id\"\xb2\x01\n" +
 	"\n" +
 	"AddGameReq\x12\x12\n" +
 	"\x04name\x18\x01 \x01(\tR\x04name\x12 \n" +
 	"\vdescription\x18\x02 \x01(\tR\vdescription\x125\n" +
 	"\bstart_at\x18\x03 \x01(\v2\x1a.google.protobuf.TimestampR\astartAt\x12\x1f\n" +
 	"\vscenario_id\x18\x04 \x01(\x05R\n" +
-	"scenarioId\"2\n" +
+	"scenarioId\x12\x16\n" +
+	"\x06format\x18\x05 \x01(\tR\x06format\"2\n" +
 	"\n" +
 	"AddGameRsp\x12\x14\n" +
 	"\x05error\x18\x01 \x01(\tR\x05error\x12\x0e\n" +
@@ -8695,7 +8720,7 @@ const file_main_proto_rawDesc = "" +
 	"\vGetGamesReq\"_\n" +
 	"\vGetGamesRsp\x12\x14\n" +
 	"\x05error\x18\x01 \x01(\tR\x05error\x12:\n" +
-	"\x05games\x18\x02 \x03(\v2$.crabs.evening_detective_server.GameR\x05games\"\xb5\x03\n" +
+	"\x05games\x18\x02 \x03(\v2$.crabs.evening_detective_server.GameR\x05games\"\xcd\x03\n" +
 	"\x04Game\x12\x0e\n" +
 	"\x02id\x18\x01 \x01(\x05R\x02id\x12\x12\n" +
 	"\x04name\x18\x02 \x01(\tR\x04name\x12 \n" +
@@ -8706,7 +8731,9 @@ const file_main_proto_rawDesc = "" +
 	"\x05teams\x18\a \x03(\v2$.crabs.evening_detective_server.TeamR\x05teams\x12>\n" +
 	"\n" +
 	"started_at\x18\b \x01(\v2\x1a.google.protobuf.TimestampH\x00R\tstartedAt\x88\x01\x01\x12:\n" +
-	"\bended_at\x18\t \x01(\v2\x1a.google.protobuf.TimestampH\x01R\aendedAt\x88\x01\x01B\r\n" +
+	"\bended_at\x18\t \x01(\v2\x1a.google.protobuf.TimestampH\x01R\aendedAt\x88\x01\x01\x12\x16\n" +
+	"\x06format\x18\n" +
+	" \x01(\tR\x06formatB\r\n" +
 	"\v_started_atB\v\n" +
 	"\t_ended_at\"\xb6\x04\n" +
 	"\vScreenState\x12\x0e\n" +
@@ -8842,14 +8869,15 @@ const file_main_proto_rawDesc = "" +
 	"\x11GetGameResultsRsp\x12\x14\n" +
 	"\x05error\x18\x01 \x01(\tR\x05error\x12M\n" +
 	"\tquestions\x18\x02 \x03(\v2/.crabs.evening_detective_server.ResultsQuestionR\tquestions\x12@\n" +
-	"\x05teams\x18\x03 \x03(\v2*.crabs.evening_detective_server.TeamResultR\x05teams\"\xad\x01\n" +
+	"\x05teams\x18\x03 \x03(\v2*.crabs.evening_detective_server.TeamResultR\x05teams\"\xc5\x01\n" +
 	"\rUpdateGameReq\x12\x0e\n" +
 	"\x02id\x18\x01 \x01(\x05R\x02id\x12\x12\n" +
 	"\x04name\x18\x02 \x01(\tR\x04name\x12 \n" +
 	"\vdescription\x18\x03 \x01(\tR\vdescription\x125\n" +
 	"\bstart_at\x18\x04 \x01(\v2\x1a.google.protobuf.TimestampR\astartAt\x12\x1f\n" +
 	"\vscenario_id\x18\x05 \x01(\x05R\n" +
-	"scenarioId\"%\n" +
+	"scenarioId\x12\x16\n" +
+	"\x06format\x18\x06 \x01(\tR\x06format\"%\n" +
 	"\rUpdateGameRsp\x12\x14\n" +
 	"\x05error\x18\x01 \x01(\tR\x05error\"\x1e\n" +
 	"\fStartGameReq\x12\x0e\n" +