diff --git a/README.md b/README.md
index ded22a6..0e0ba35 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,7 @@
 [![Donate](https://img.shields.io/liberapay/receives/rocketnine.space.svg?logo=liberapay)](https://liberapay.com/rocketnine.space)
 
 [Entity component system](https://en.wikipedia.org/wiki/Entity_component_system) framework
-for [Ebiten](https://ebiten.org)
-
-**Note:** This framework is still in development. Breaking changes may be made until v1.0 is released.
+for [Ebitengine](https://ebiten.org)
 
 ## Documentation
 
@@ -21,9 +19,12 @@ Please share issues and suggestions [here](https://code.rocketnine.space/tslocum
 
 ## List of games powered by Gohan
 
-- **Brown Box Bat Man** is a bullet hell game.
+- **Fish Fight Back**
+  - [Play game](https://rocketnine.itch.io/fishfightback)
+  - [View source code](https://code.rocketnine.space/tslocum/fishfightback)
+- **Brown Box Bat Man**
   - [Play game](https://rocketnine.itch.io/brownboxbatman)
   - [View source code](https://code.rocketnine.space/tslocum/brownboxbatman)
-- **Monovania** is a Metroidvania-style platform game.
+- **Monovania**
   - [Play game](https://rocketnine.itch.io/monovania)
   - [View source code](https://code.rocketnine.space/tslocum/monovania)
diff --git a/context.go b/context.go
deleted file mode 100644
index 5754cd0..0000000
--- a/context.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package gohan
-
-// context represents the current iteration of a System's matching entities.
-type context struct {
-	allowed     []componentID
-	components  []interface{}
-	systemIndex int
-}
diff --git a/doc.go b/doc.go
index 6adfae5..deeab62 100644
--- a/doc.go
+++ b/doc.go
@@ -1,5 +1,5 @@
 /*
-Package gohan provides an Entity Component System framework for Ebiten.
+Package gohan provides an Entity Component System framework for Ebitengine.
 
 An example game is available at /examples/twinstick, which may be built by
 executing the following command (in /examples/twinstick):
@@ -27,7 +27,9 @@ each systems' set of required matching components.
   type ExampleSystem struct {
     Position *component.PositionComponent // Required component.
     Velocity *component.VelocityComponent // Required component.
+
     Sprite *component.SpriteComponent `gohan:"?"` // Optional component.
+
     Enabled bool `gohan:"-"` // Not a component.
   }
 
@@ -51,11 +53,6 @@ call, or else the application will encounter race conditions.
 Environment Variables
 
 Running an application with the environment variable GOHAN_DEBUG set to 1
-enables verification of systems' access to components. This verification is
-disabled by default for performance reasons. While verification is enabled,
-if a system attempts to access a component which is not included in the
-system's Needs or Uses, the application will panic and print information about
-the illegal component access. Setting GOHAN_DEBUG to 1 will also enable
-printing system registration events and statistics.
+will enable printing verbose system update and draw information.
 */
 package gohan
diff --git a/examples/twinstick/goreleaser.yml b/examples/twinstick/goreleaser.yml
index 0e58b7e..64aa9a2 100644
--- a/examples/twinstick/goreleaser.yml
+++ b/examples/twinstick/goreleaser.yml
@@ -24,7 +24,5 @@ archives:
         format: zip
       - goos: windows
         format: zip
-#    files:
-#      - src: '../../*.md'
 checksum:
   name_template: 'checksums.txt'
diff --git a/system.go b/system.go
index e8d3081..63ff201 100644
--- a/system.go
+++ b/system.go
@@ -17,7 +17,7 @@ import (
 // method returning the error should not be called again.
 //
 // Systems do not need to implement locking to prevent race conditions between
-// Update and Draw methods. Ebiten calls only one of these methods at a time.
+// Update and Draw methods. Ebitengine calls only one of these methods at a time.
 type System interface {
 	// Update is called once for each matching Entity each time the game state is updated.
 	Update(e Entity) error