diff --git a/.circleci/config.yml b/.circleci/config.yml
index 18d519cf9a..d684e5bcd4 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -86,41 +86,6 @@ jobs:
           target: proto-gen proto-lint proto-check-breaking
           description: "Lint and verify Protocol Buffer definitions"
 
-  test-sim-nondeterminism:
-    executor: golang
-    steps:
-      - make:
-          target: test-sim-nondeterminism
-          description: "Test individual module simulations"
-
-  test-sim-import-export:
-    executor: golang
-    steps:
-      - make:
-          target: test-sim-import-export
-          description: "Test application import/export simulation"
-
-  test-sim-after-import:
-    executor: golang
-    steps:
-      - make:
-          target: test-sim-after-import
-          description: "Test simulation after import"
-
-  test-sim-multi-seed-long:
-    executor: golang
-    steps:
-      - make:
-          target: test-sim-multi-seed-long
-          description: "Test multi-seed simulation (long)"
-
-  test-sim-multi-seed-short:
-    executor: golang
-    steps:
-      - make:
-          target: test-sim-multi-seed-short
-          description: "Test multi-seed simulation (short)"
-
   test-cover:
     executor: golang
     parallelism: 4
@@ -197,18 +162,6 @@ workflows:
               only:
                 - /^v.*/
       - proto:
-          requires:
-            - setup-dependencies                       
-      - test-sim-nondeterminism:
-          requires:
-            - setup-dependencies
-      - test-sim-import-export:
-          requires:
-            - setup-dependencies
-      - test-sim-after-import:
-          requires:
-            - setup-dependencies
-      - test-sim-multi-seed-short:
           requires:
             - setup-dependencies
       - test-sim-multi-seed-long:
diff --git a/.github/workflows/sims.yml b/.github/workflows/sims.yml
new file mode 100644
index 0000000000..73f3de53a7
--- /dev/null
+++ b/.github/workflows/sims.yml
@@ -0,0 +1,117 @@
+name: Sims
+on: [pull_request]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'skip-sims')"
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+          echo "::set-env name=GO111MODULE::"on""
+        shell: bash
+      - name: install runsim
+        run: |
+          go get github.com/cosmos/tools/cmd/runsim@v1.0.0
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-go-runsim-binary
+
+  test-sim-nondeterminism:
+    runs-on: ubuntu-latest
+    needs: Build
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+        shell: bash
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-go-runsim-binary
+      - name: test nondeterminism
+        run: |
+          make test-sim-nondeterminism
+
+  test-sim-import-export:
+    runs-on: ubuntu-latest
+    needs: Build
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+        shell: bash
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-go-runsim-binary
+      - name: test-sim-import-export
+        run: |
+          make test-sim-import-export
+
+  test-sim-after-import:
+    runs-on: ubuntu-latest
+    needs: Build
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+        shell: bash
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-go-runsim-binary
+      - name: test after import
+        run: |
+          make test-sim-import-export
+
+  test-sim-multi-seed-short:
+    runs-on: ubuntu-latest
+    needs: Build
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(go env GOPATH)"
+          echo "::add-path::$(go env GOPATH)/bin"
+        shell: bash
+      - uses: actions/checkout@v2
+      - uses: actions/cache@v1
+        with:
+          path: ~/go/bin
+          key: ${{ runner.os }}-go-runsim-binary
+      - name: test-sim-multi-seed-short
+        run: |
+          make test-sim-multi-seed-short