diff --git a/_data/chains/eip155-248.json b/_data/chains/eip155-248.json
new file mode 100644
index 00000000..b047d936
--- /dev/null
+++ b/_data/chains/eip155-248.json
@@ -0,0 +1,23 @@
+{
+  "name": "Oasys Mainnet",
+  "chain": "Oasys",
+  "icon": "oasys",
+  "rpc": ["https://rpc-mainnet.oasys.games"],
+  "faucets": [],
+  "nativeCurrency": {
+    "name": "OAS",
+    "symbol": "OAS",
+    "decimals": 18
+  },
+  "infoURL": "https://oasys.games",
+  "shortName": "OAS",
+  "chainId": 248,
+  "networkId": 248,
+  "explorers": [
+    {
+      "name": "blockscout",
+      "url": "https://explorer.oasys.games",
+      "standard": "EIP3091"
+    }
+  ]
+}
diff --git a/_data/icons/oasys.json b/_data/icons/oasys.json
new file mode 100644
index 00000000..dacc868a
--- /dev/null
+++ b/_data/icons/oasys.json
@@ -0,0 +1,8 @@
+[
+  {
+    "url": "ipfs://QmT84suD2ZmTSraJBfeHhTNst2vXctQijNCztok9XiVcUR",
+    "width": 3600,
+    "height": 3600,
+    "format": "png"
+  }
+]