diff --git a/.circleci/config.yml b/.circleci/config.yml
index 18d519cf9a..82ed61fb95 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -76,6 +76,7 @@ jobs:
           key: go-src-v1-{{ .Revision }}
           paths:
             - ".git"
+
   proto:
     executor: protoc
     steps:
@@ -86,27 +87,6 @@ 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:
@@ -114,13 +94,6 @@ jobs:
           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
@@ -196,21 +169,6 @@ workflows:
             tags:
               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:
           requires:
             - setup-dependencies
@@ -224,6 +182,9 @@ workflows:
       - test-cover:
           requires:
             - setup-dependencies
+      - proto:
+          requires:
+            - setup-dependencies
       - upload-coverage:
           requires:
             - test-cover
diff --git a/.github/workflows/sims.yml b/.github/workflows/sims.yml
new file mode 100644
index 0000000000..d0b4b0fe7f
--- /dev/null
+++ b/.github/workflows/sims.yml
@@ -0,0 +1,125 @@
+name: Sims
+on: [pull_request]
+jobs:
+  cleanup-runs:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: rokroskar/workflow-run-cleanup-action@master
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+    if: "!startsWith(github.ref, 'refs/tags/') && github.ref != 'refs/heads/master'"
+
+  build:
+    runs-on: ubuntu-latest
+    if: "!contains(github.event.head_commit.message, 'skip-sims')"
+    steps:
+      - uses: actions/setup-go@v1
+        id: go
+        with:
+          go-version: 1.14
+      - name: Setup env for GO
+        #  this is only used until the setup-go action is updated
+        run: |
+          echo "::set-env name=GOPATH::$(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