diff --git a/cardinal/main.go b/cardinal/main.go
index 55bbe03..770e9b7 100644
--- a/cardinal/main.go
+++ b/cardinal/main.go
@@ -33,7 +33,7 @@ func main() {
 	// Register queries
 	// NOTE: You must register your queries here for it to be accessible.
 	Must(
-		cardinal.RegisterQuery[query.WorldVarsRequest, query.WorldVarsResponse](w, "world-vars", query.WorldVars),
+		cardinal.RegisterQuery[query.PlayerHealthRequest, query.PlayerHealthResponse](w, "player-health", query.PlayerHealth),
 	)
 
 	// Each system executes deterministically in the order they are added.
diff --git a/cardinal/query/query_player_health.go b/cardinal/query/query_player_health.go
new file mode 100644
index 0000000..8c74a93
--- /dev/null
+++ b/cardinal/query/query_player_health.go
@@ -0,0 +1,53 @@
+package query
+
+import (
+	"fmt"
+
+	comp "github.com/argus-labs/starter-game-template/cardinal/component"
+
+	"pkg.world.dev/world-engine/cardinal"
+)
+
+type PlayerHealthRequest struct {
+	Nickname string
+}
+
+type PlayerHealthResponse struct {
+	HP int
+}
+
+func PlayerHealth(world cardinal.WorldContext, req *PlayerHealthRequest) (*PlayerHealthResponse, error) {
+	search, err := world.NewSearch(cardinal.Exact(comp.Player{}, comp.Health{}))
+	if err != nil {
+		return nil, err
+	}
+
+	var playerHealth *comp.Health
+	err = search.Each(world, func(id cardinal.EntityID) bool {
+		player, err := cardinal.GetComponent[comp.Player](world, id)
+		if err != nil {
+			return false
+		}
+
+		// Terminates the search if the player is found
+		if player.Nickname == req.Nickname {
+			playerHealth, err = cardinal.GetComponent[comp.Health](world, id)
+			if err != nil {
+				return false
+			}
+			return false
+		}
+
+		// Continue searching if the player is not the target player
+		return true
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	if playerHealth == nil {
+		return nil, fmt.Errorf("player %s does not exist", req.Nickname)
+	}
+
+	return &PlayerHealthResponse{HP: playerHealth.HP}, nil
+}
diff --git a/cardinal/query/query_world_vars.go b/cardinal/query/query_world_vars.go
deleted file mode 100644
index c3b3244..0000000
--- a/cardinal/query/query_world_vars.go
+++ /dev/null
@@ -1,30 +0,0 @@
-package query
-
-import (
-	"github.com/argus-labs/starter-game-template/cardinal/world"
-	"pkg.world.dev/world-engine/cardinal"
-)
-
-type WorldVarsRequest struct {
-	Key world.VarsKey `json:"key"`
-}
-
-type WorldVarsResponse struct {
-	Result map[world.VarsKey]interface{}
-}
-
-func WorldVars(_ cardinal.WorldContext, req *WorldVarsRequest) (*WorldVarsResponse, error) {
-	// Handle all world vars query
-	if req.Key == "*" {
-		return &WorldVarsResponse{Result: world.WorldVars}, nil
-	}
-
-	if value, ok := world.WorldVars[req.Key]; ok {
-		mapKey := make(map[world.VarsKey]interface{})
-		mapKey[req.Key] = value
-		return &WorldVarsResponse{Result: mapKey}, nil
-	}
-
-	// Default case for unhandled keys
-	return &WorldVarsResponse{Result: map[world.VarsKey]interface{}{}}, nil
-}
diff --git a/cardinal/world/vars.go b/cardinal/world/vars.go
deleted file mode 100644
index dbb9104..0000000
--- a/cardinal/world/vars.go
+++ /dev/null
@@ -1,12 +0,0 @@
-package world
-
-type VarsKey string
-
-const (
-	PlayerCount = VarsKey("playerCount")
-)
-
-// WorldVars Register your own world vars here!
-var WorldVars = map[VarsKey]interface{}{
-	PlayerCount: 0,
-}