diff --git a/client/client/client.go b/client/client/client.go
index 8ee4bea..66b4453 100644
--- a/client/client/client.go
+++ b/client/client/client.go
@@ -20,9 +20,10 @@ func NewClient() *Client {
 		connected: false,
 	}
 
-	//conn, err := net.Dial("tcp", "localhost:501")
-	//conn, err := net.Dial("tcp", "192.168.5.100:501")
-	conn, err := net.Dial("tcp", "134.231.47.14:501")
+	//conn, err := net.Dial("tcp", "localhost:5001")
+	conn, err := net.Dial("tcp", "192.168.5.100:5001")
+	//conn, err := net.Dial("tcp", "134.231.47.14:5001")
+	//conn, err := net.Dial("tcp", "192.168.5.66:5001")
 	if err != nil {
 		fmt.Println("Error connecting to server:", err)
 	} else {
diff --git a/client/elements/block.go b/client/elements/block.go
index 6eb81a7..6c17f09 100644
--- a/client/elements/block.go
+++ b/client/elements/block.go
@@ -11,6 +11,7 @@ type Block struct {
 	Sprite   *ebiten.Image
 	cycle    int
 	position gamedata.Coordinates
+	hit      bool
 }
 
 func NewBlock() *Block {
@@ -26,7 +27,11 @@ func (b *Block) Update() {
 
 func (b *Block) Draw() {
 	b.Sprite.Clear()
-	b.Sprite.Fill(color.RGBA{R: 0xff, G: 0x00, B: 0x00, A: 0x00})
+	if !b.hit {
+		b.Sprite.Fill(color.RGBA{R: 0xff, G: 0x00, B: 0x00, A: 0x00})
+	} else {
+		b.Sprite.Fill(color.RGBA{R: 0x00, G: 0xff, B: 0x00, A: 0xff})
+	}
 }
 
 func (b *Block) SetPosition(pos gamedata.Coordinates) {
@@ -36,3 +41,11 @@ func (b *Block) SetPosition(pos gamedata.Coordinates) {
 func (b *Block) GetPosition() gamedata.Coordinates {
 	return b.position
 }
+
+func (b *Block) SetHit(hit bool) {
+	b.hit = hit
+}
+
+func (b *Block) GetHit() bool {
+	return b.hit
+}
diff --git a/client/game/game.go b/client/game/game.go
index 40f214c..41e9662 100644
--- a/client/game/game.go
+++ b/client/game/game.go
@@ -32,12 +32,14 @@ type ClientData struct {
 	Address  string
 	Name     string
 	Position gamedata.Coordinates
+	Hit      bool
 }
 
 type Game struct {
-	name   string
-	blocky *elements.Block
-	gameId int
+	name      string
+	blocky    *elements.Block
+	hitblocky *elements.Block
+	gameId    int
 
 	//players map[client.Identity]
 
@@ -55,9 +57,13 @@ func NewGame() *Game {
 	g := &Game{
 		gameclient: client.NewClient(),
 		blocky:     elements.NewBlock(),
+		hitblocky:  elements.NewBlock(),
 		cycle:      0,
 		name:       namelist[rand.Intn(len(namelist))],
 	}
+
+	g.hitblocky.SetHit(true)
+
 	g.clients = make(map[string]ClientData)
 
 	//g.gameId = g.gameclient.GetIdentity()
@@ -117,6 +123,8 @@ func (g *Game) Draw(screen *ebiten.Image) {
 	screen.Clear()
 
 	g.blocky.Draw()
+	g.hitblocky.Draw()
+
 	op := &ebiten.DrawImageOptions{}
 	op.GeoM.Translate(-float64(g.blocky.Sprite.Bounds().Dx())/2, -float64(g.blocky.Sprite.Bounds().Dy())/2)
 	op.GeoM.Translate(g.blocky.GetPosition().X, g.blocky.GetPosition().Y)
@@ -136,7 +144,11 @@ func (g *Game) Draw(screen *ebiten.Image) {
 		op := &ebiten.DrawImageOptions{}
 		op.GeoM.Translate(-float64(g.blocky.Sprite.Bounds().Dx())/2, -float64(g.blocky.Sprite.Bounds().Dy())/2)
 		op.GeoM.Translate(client.Position.X, client.Position.Y)
-		screen.DrawImage(g.blocky.Sprite, op)
+		if !client.Hit {
+			screen.DrawImage(g.blocky.Sprite, op)
+		} else {
+			screen.DrawImage(g.hitblocky.Sprite, op)
+		}
 
 		f2 := &text.GoTextFace{
 			Source: fonts.LaunchyFont.New,
@@ -169,6 +181,7 @@ func (g *Game) HandleServerData(envelope *pb.ServerEnvelope) {
 						X: client.Coordinates.X,
 						Y: client.Coordinates.Y,
 					},
+					Hit: client.Hit,
 				}
 
 				g.mu.Lock()
diff --git a/client/pb/clientdata.pb.go b/client/pb/clientdata.pb.go
index 0dadcb9..6b05d72 100644
--- a/client/pb/clientdata.pb.go
+++ b/client/pb/clientdata.pb.go
@@ -131,6 +131,7 @@ type ClientData struct {
 	Address     string       `protobuf:"bytes,2,opt,name=Address,proto3" json:"Address,omitempty"`
 	Name        string       `protobuf:"bytes,3,opt,name=Name,proto3" json:"Name,omitempty"`
 	Coordinates *Coordinates `protobuf:"bytes,4,opt,name=coordinates,proto3" json:"coordinates,omitempty"`
+	Hit         bool         `protobuf:"varint,5,opt,name=hit,proto3" json:"hit,omitempty"`
 }
 
 func (x *ClientData) Reset() {
@@ -191,6 +192,13 @@ func (x *ClientData) GetCoordinates() *Coordinates {
 	return nil
 }
 
+func (x *ClientData) GetHit() bool {
+	if x != nil {
+		return x.Hit
+	}
+	return false
+}
+
 type ClientCoordinates struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -485,47 +493,48 @@ var file_clientdata_proto_rawDesc = []byte{
 	0x74, 0x6f, 0x12, 0x04, 0x6d, 0x61, 0x69, 0x6e, 0x22, 0x29, 0x0a, 0x0b, 0x43, 0x6f, 0x6f, 0x72,
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 }
 
 var (
diff --git a/server/pb/clientdata.pb.go b/server/pb/clientdata.pb.go
index 0dadcb9..6b05d72 100644
--- a/server/pb/clientdata.pb.go
+++ b/server/pb/clientdata.pb.go
@@ -131,6 +131,7 @@ type ClientData struct {
 	Address     string       `protobuf:"bytes,2,opt,name=Address,proto3" json:"Address,omitempty"`
 	Name        string       `protobuf:"bytes,3,opt,name=Name,proto3" json:"Name,omitempty"`
 	Coordinates *Coordinates `protobuf:"bytes,4,opt,name=coordinates,proto3" json:"coordinates,omitempty"`
+	Hit         bool         `protobuf:"varint,5,opt,name=hit,proto3" json:"hit,omitempty"`
 }
 
 func (x *ClientData) Reset() {
@@ -191,6 +192,13 @@ func (x *ClientData) GetCoordinates() *Coordinates {
 	return nil
 }
 
+func (x *ClientData) GetHit() bool {
+	if x != nil {
+		return x.Hit
+	}
+	return false
+}
+
 type ClientCoordinates struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -485,47 +493,48 @@ var file_clientdata_proto_rawDesc = []byte{
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 }
 
 var (
diff --git a/server/server/server.go b/server/server/server.go
index cde7361..ee80941 100644
--- a/server/server/server.go
+++ b/server/server/server.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"log"
+	"math"
 	"net"
 	"server/gamedata"
 	"server/pb"
@@ -14,11 +15,16 @@ import (
 	"google.golang.org/protobuf/proto"
 )
 
+const (
+	boxwidth = 20
+)
+
 type ClientData struct {
 	Id       int
 	Address  string
 	Name     string
 	Position gamedata.Coordinates
+	Hit      bool
 }
 
 type Server struct {
@@ -116,6 +122,20 @@ func (s *Server) HandleClient(conn net.Conn, id int) {
 				Position: gamedata.Coordinates{X: payload.Coordinates.Coordinates.X, Y: payload.Coordinates.Coordinates.Y},
 			}
 
+			//check if we have any collisions with other entities
+			for _, client := range s.clientlist {
+				if client.Id != id {
+
+					dx := client.Position.X - cd.Position.X
+					dy := client.Position.Y - cd.Position.Y
+					if math.Abs(dx) < boxwidth && math.Abs(dy) < boxwidth {
+						//collision, mark it
+						cd.Hit = true
+					}
+
+				}
+			}
+
 			//update the client list
 			s.mu.Lock()
 			s.clientlist[conn] = cd
@@ -177,6 +197,7 @@ func (s *Server) BuildBroadcastMessage() *pb.AllClients {
 				X: data.Position.X,
 				Y: data.Position.Y,
 			},
+			Hit: data.Hit,
 		}
 		result.Clients = append(result.Clients, clientdata)
 	}