diff --git a/.appveyor.yml b/.appveyor.yml
new file mode 100644
index 0000000..07f36cf
--- /dev/null
+++ b/.appveyor.yml
@@ -0,0 +1,46 @@
+version: "0.1.0.{build}-{branch}"
+
+os: Visual Studio 2019
+
+environment:
+  global:
+    PROJECT_NAME: doukutsu-rs
+  matrix:
+    - channel: stable
+      target: x86_64-pc-windows-msvc
+      target_name: win64
+      job_name: windows-x64
+    - channel: stable
+      target: i686-pc-windows-msvc
+      target_name: win32
+      job_name: windows-x32
+
+install:
+  - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
+  - rustup-init -yv --default-toolchain %channel% --default-host %target%
+  - set PATH=%PATH%;%USERPROFILE%\.cargo\bin
+  - rustup update
+  - rustup default %channel%
+  - rustc -vV
+  - cargo -vV
+
+cache:
+  - '%USERPROFILE%\.cache\sccache -> .appveyor.yml'
+  - '%USERPROFILE%\.cargo -> .appveyor.yml'
+  - '%USERPROFILE%\.rustup -> .appveyor.yml'
+  - 'target -> .appveyor.yml'
+
+#test_script:
+#  - cargo build --verbose --all
+#  - cargo test --verbose --all --no-fail-fast
+
+build_script:
+  - cargo build --release --bin doukutsu-rs
+  - mkdir release
+  - copy target\release\doukutsu-rs.exe release
+  - cd release
+  - appveyor DownloadFile https://github.com/doukutsu-rs/game-data/archive/master.zip -FileName ../game-data.zip
+  - 7z x ../game-data.zip
+  - rename game-data-master data
+  - 7z a ../doukutsu-rs_%target_name%.zip *
+  - appveyor PushArtifact ../doukutsu-rs_%target_name%.zip
diff --git a/README.md b/README.md
index 69c7a4d..055e79e 100644
--- a/README.md
+++ b/README.md
@@ -66,7 +66,7 @@ Because methods used to extract game data from cartridge vary, you have to find
   - [x] First Cave
   - [x] Mimiga Village
   - [x] Egg Corridor
-  - [ ] Grasstown (~90% done)
+  - [x] Grasstown
   - [ ] Sand Zone (~10% done)
   - [ ] Labirynth (~10% done)
   - [ ] Outer Wall
@@ -101,6 +101,7 @@ Because methods used to extract game data from cartridge vary, you have to find
     - [ ] Wind Fortress (~40%)
     - [ ] Boss Run
     - [x] Seasonal graphics
+    - [ ] Co-op gameplay (~70%)
     - [ ] Remastered soundtrack
 
 *(tbd)*