diff --git a/api/src/job.js b/api/src/job.js
index d46120b..8c3fa79 100644
--- a/api/src/job.js
+++ b/api/src/job.js
@@ -156,7 +156,11 @@ class Job {
                 '-s',
                 '-c',
                 '/box/submission',
-                '-e',
+                '-E',
+                'HOME=/tmp',
+                ...this.runtime.env_vars.flat_map(v => ['-E', v]),
+                '-E',
+                `PISTON_LANGUAGE=${this.runtime.language}`,
                 `--dir=${this.runtime.pkgdir}`,
                 `--dir=/etc:noexec`,
                 `--processes=${this.runtime.max_process_count}`,
@@ -175,10 +179,6 @@ class Job {
                 ...args,
             ],
             {
-                env: {
-                    ...this.runtime.env_vars,
-                    PISTON_LANGUAGE: this.runtime.language,
-                },
                 stdio: 'pipe',
             }
         );
diff --git a/api/src/runtime.js b/api/src/runtime.js
index 9a2adf4..90a2225 100644
--- a/api/src/runtime.js
+++ b/api/src/runtime.js
@@ -178,15 +178,7 @@ class Runtime {
             const env_file = path.join(this.pkgdir, '.env');
             const env_content = fss.read_file_sync(env_file).toString();
 
-            this._env_vars = {};
-
-            env_content
-                .trim()
-                .split('\n')
-                .map(line => line.split('=', 2))
-                .forEach(([key, val]) => {
-                    this._env_vars[key.trim()] = val.trim();
-                });
+            this._env_vars = env_content.trim().split('\n');
         }
 
         return this._env_vars;
diff --git a/packages/holyc/1.0.0/build.sh b/packages/holyc/1.0.0/build.sh
new file mode 100755
index 0000000..6929c35
--- /dev/null
+++ b/packages/holyc/1.0.0/build.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
+curl https://git.xslendi.xyz/slendi/3Days/archive/main.tar.gz -o 3days.tar.gz
+
+tar xzf 3days.tar.gz --strip-components=1
+rm 3days.tar.gz
+
+make
+
+cp -v 3d_loader $PREFIX/.
+cp -rv T $PREFIX/.
+
+cd ..
+
+rm -rf build
+
diff --git a/packages/holyc/1.0.0/environment b/packages/holyc/1.0.0/environment
new file mode 100644
index 0000000..977a5e8
--- /dev/null
+++ b/packages/holyc/1.0.0/environment
@@ -0,0 +1 @@
+export PATH=$PWD/bin:$PATH
diff --git a/packages/holyc/1.0.0/metadata.json b/packages/holyc/1.0.0/metadata.json
new file mode 100644
index 0000000..3113f44
--- /dev/null
+++ b/packages/holyc/1.0.0/metadata.json
@@ -0,0 +1,5 @@
+{
+    "language": "holyc",
+    "version": "1.0.0",
+    "aliases": ["hc"]
+}
diff --git a/packages/holyc/1.0.0/run b/packages/holyc/1.0.0/run
new file mode 100644
index 0000000..b249787
--- /dev/null
+++ b/packages/holyc/1.0.0/run
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+3d_loader -T $PWD/bin/ -c "$@"
diff --git a/packages/holyc/1.0.0/test.HC b/packages/holyc/1.0.0/test.HC
new file mode 100644
index 0000000..b490971
--- /dev/null
+++ b/packages/holyc/1.0.0/test.HC
@@ -0,0 +1 @@
+"OK";