diff --git a/robot_test.go b/robot_test.go
index 204424d..329a20c 100644
--- a/robot_test.go
+++ b/robot_test.go
@@ -14,7 +14,7 @@ func init() {
 
 func TestCollision(t *testing.T) {
 	tests := []struct {
-		g         game
+		g         Game
 		r         Robot
 		target    v.Vector2d
 		location  *v.Point2d
@@ -22,7 +22,7 @@ func TestCollision(t *testing.T) {
 	}{
 		// should intersect with first box
 		{
-			g: game{
+			g: Game{
 				width:  800,
 				height: 400,
 				obstacles: []Obstacle{
@@ -50,7 +50,7 @@ func TestCollision(t *testing.T) {
 		},
 		// shouldn't intersect at all
 		{
-			g: game{
+			g: Game{
 				width:  800,
 				height: 400,
 				obstacles: []Obstacle{
@@ -97,7 +97,7 @@ func TestBotBotCollisions(t *testing.T) {
 }
 
 func TestProbeResultType(t *testing.T) {
-	g := game{
+	g := Game{
 		width:  800,
 		height: 400,
 		obstacles: []Obstacle{