diff --git a/modules/lobbies/README.mdx b/modules/lobbies/README.mdx
index aa56468e..54b6b198 100644
--- a/modules/lobbies/README.mdx
+++ b/modules/lobbies/README.mdx
@@ -634,7 +634,7 @@ The following environment variables are automatically set for each lobby:
 - `LOBBY_ID` A unique identifier for the lobby. This is a UUID string.
 - `LOBBY_VERSION` The version of the lobby, as specified in the lobby configuration.
 - `LOBBY_TOKEN` A secure token used for authenticating the lobby with the OpenGB backend.
-- `BACKEND_ENDPOINT` The public endpoint URL for the OpenGB backend.
+- `RIVET_BACKEND_ENDPOINT` The public endpoint URL for the OpenGB backend.
 
 {/* ## FAQ
 
diff --git a/modules/lobbies/actors/lobby_manager.ts b/modules/lobbies/actors/lobby_manager.ts
index 1e48958b..cf5f3d1b 100644
--- a/modules/lobbies/actors/lobby_manager.ts
+++ b/modules/lobbies/actors/lobby_manager.ts
@@ -586,7 +586,7 @@ export class Actor extends ActorBase<undefined, State.StateVersioned> {
 					"LOBBY_ID": lobby.id,
 					"LOBBY_VERSION": lobby.version,
 					"LOBBY_TOKEN": token,
-					"BACKEND_ENDPOINT": ctx.runtime.publicEndpoint,
+					"RIVET_BACKEND_ENDPOINT": ctx.runtime.publicEndpoint,
 				}),
 			},
 			network: {
diff --git a/sandbox/game_server/src/index.ts b/sandbox/game_server/src/index.ts
index 1d79dcce..92f81aed 100644
--- a/sandbox/game_server/src/index.ts
+++ b/sandbox/game_server/src/index.ts
@@ -20,10 +20,10 @@ console.log(process.env);
 
 logTimestamp('start');
 
-const BACKEND_ENDPOINT = process.env.BACKEND_ENDPOINT;
+const BACKEND_ENDPOINT = process.env.RIVET_BACKEND_ENDPOINT;
 const LOBBY_ID = process.env.LOBBY_ID ?? "00000000-0000-0000-0000-000000000000";
 const LOBBY_TOKEN= process.env.LOBBY_TOKEN;
-if (!BACKEND_ENDPOINT) throw new Error("BACKEND_ENDPOINT");
+if (!BACKEND_ENDPOINT) throw new Error("RIVET_BACKEND_ENDPOINT");
 
 const backend = new Backend({ endpoint: BACKEND_ENDPOINT });
 
diff --git a/sandbox/scripts/fetch_state.ts b/sandbox/scripts/fetch_state.ts
index b251a471..1b47d82e 100755
--- a/sandbox/scripts/fetch_state.ts
+++ b/sandbox/scripts/fetch_state.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env -S deno run -A
 
-const endpoint = Deno.env.get("BACKEND_ENDPOINT");
+const endpoint = Deno.env.get("RIVET_BACKEND_ENDPOINT");
 
 const res = await fetch(`${endpoint}/modules/lobbies/scripts/fetch_lobby_manager_state/call`, {
   method: "POST",
diff --git a/sandbox/scripts/reset_state.ts b/sandbox/scripts/reset_state.ts
index 11700b5f..bc787624 100755
--- a/sandbox/scripts/reset_state.ts
+++ b/sandbox/scripts/reset_state.ts
@@ -1,6 +1,6 @@
 #!/usr/bin/env -S deno run -A
 
-const endpoint = Deno.env.get("BACKEND_ENDPOINT");
+const endpoint = Deno.env.get("RIVET_BACKEND_ENDPOINT");
 
 const res = await fetch(`${endpoint}/modules/lobbies/scripts/reset_lobby_manager_state/call`, {
   method: "POST",
diff --git a/sandbox/scripts/run_local.sh b/sandbox/scripts/run_local.sh
index ce46b80e..047cf2b1 100755
--- a/sandbox/scripts/run_local.sh
+++ b/sandbox/scripts/run_local.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-export BACKEND_ENDPOINT="http://127.0.0.1:6420"
+export RIVET_BACKEND_ENDPOINT="http://127.0.0.1:6420"
 
 # Function to clean up background processes
 cleanup() {
@@ -27,4 +27,4 @@ echo "Backend started"
 ./scripts/run_local_client.sh 2>&1 | sed 's/^/[CLIENT] /' &
 
 # Wait for all background processes to finish
-wait
\ No newline at end of file
+wait
diff --git a/sandbox/scripts/run_remote.sh b/sandbox/scripts/run_remote.sh
index 1dbb8ffe..47d9bed2 100755
--- a/sandbox/scripts/run_remote.sh
+++ b/sandbox/scripts/run_remote.sh
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-export BACKEND_ENDPOINT="https://sandbox-back-vlk--staging.backend.nathan16.gameinc.io"
+export RIVET_BACKEND_ENDPOINT="https://sandbox-back-vlk--staging.backend.nathan16.gameinc.io"
 
 # Function to clean up background processes
 cleanup() {
diff --git a/tests/basic/server/src/index.ts b/tests/basic/server/src/index.ts
index 1d24acd6..4ec16b71 100644
--- a/tests/basic/server/src/index.ts
+++ b/tests/basic/server/src/index.ts
@@ -20,9 +20,9 @@ console.log(process.env);
 
 logTimestamp('start');
 
-const BACKEND_ENDPOINT = process.env.BACKEND_ENDPOINT;
+const BACKEND_ENDPOINT = process.env.RIVET_BACKEND_ENDPOINT;
 const LOBBY_TOKEN= process.env.LOBBY_TOKEN;
-if (!BACKEND_ENDPOINT) throw new Error("BACKEND_ENDPOINT");
+if (!BACKEND_ENDPOINT) throw new Error("RIVET_BACKEND_ENDPOINT");
 if (!LOBBY_TOKEN) throw new Error("LOBBY_TOKEN");
 
 const backend = new Backend({ endpoint: BACKEND_ENDPOINT });