diff --git a/client.c3 b/client.c3
index bbb2470..73a3122 100644
--- a/client.c3
+++ b/client.c3
@@ -33,9 +33,9 @@ enum AssetSound {
 }
 
 // TODO: Use std::math::random instead (when you finally figure out how to use it)
-extern fn float js_random();
-extern fn void play_sound(AssetSound sound, float player_position_x, float player_position_y, float object_position_x, float object_position_y);
-extern fn bool is_offline_mode();
+extern fn float platform_random();
+extern fn void platform_play_sound(AssetSound sound, float player_position_x, float player_position_y, float object_position_x, float object_position_y);
+extern fn bool platform_is_offline_mode();
 
 struct Image {
     Color *pixels;
@@ -483,12 +483,12 @@ fn void emit_particle(float source_x, float source_y, float source_z, ParticlePo
             particle.position.y = source_y;
             particle.position_z = source_z;
 
-            float angle = js_random()*2.0f*(float)math::PI;
+            float angle = platform_random()*2.0f*(float)math::PI;
             particle.velocity.x = math::cos(angle);
             particle.velocity.y = math::sin(angle);
-            particle.velocity_z = js_random()*0.5f + 0.5f;
+            particle.velocity_z = platform_random()*0.5f + 0.5f;
 
-            float velocity_mag = PARTICLE_MAX_SPEED*js_random();
+            float velocity_mag = PARTICLE_MAX_SPEED*platform_random();
             particle.velocity *= velocity_mag;
             particle.velocity_z *= velocity_mag;
             break;
@@ -566,7 +566,7 @@ fn bool apply_items_collected_batch_message_to_level_items(ItemsCollectedBatchMe
 
         if (item.alive) {
             item.alive = false;
-            play_sound(ITEM_PICKUP, player_position_x, player_position_y, item.position.x, item.position.y);
+            platform_play_sound(ITEM_PICKUP, player_position_x, player_position_y, item.position.x, item.position.y);
         }
     }
 
@@ -628,13 +628,13 @@ fn void render_items(SpritePool *sprite_pool, Item[]* items, float time,
 fn void update_items_offline(Item[]* items, float player_position_x, float player_position_y) @extern("update_items_offline") @wasm {
     foreach (item_index, item: *items) {
         if (common::collect_item(player_position_x, player_position_y, items, item_index)) {
-            play_sound(ITEM_PICKUP, player_position_x, player_position_y, item.position.x, item.position.y);
+            platform_play_sound(ITEM_PICKUP, player_position_x, player_position_y, item.position.x, item.position.y);
         }
     }
 }
 
 fn void explode_bomb(float bomb_position_x, float bomb_position_y, float bomb_position_z, float player_position_x, float player_position_y, ParticlePool *particle_pool) {
-    play_sound(BOMB_BLAST, player_position_x, player_position_y, bomb_position_x, bomb_position_y);
+    platform_play_sound(BOMB_BLAST, player_position_x, player_position_y, bomb_position_x, bomb_position_y);
     for (int i = 0; i < BOMB_PARTICLE_COUNT; ++i) {
         emit_particle(bomb_position_x, bomb_position_y, bomb_position_z, particle_pool);
     }
@@ -646,10 +646,10 @@ fn void update_bombs_on_client_side(SpritePool *sprite_pool, ParticlePool *parti
             push_sprite(sprite_pool, bomb_image_pixels, bomb_image_width, bomb_image_height, bomb.position.x, bomb.position.y, bomb.position_z, common::BOMB_SCALE, 0, 0, bomb_image_width, bomb_image_height);
 
             if (common::update_bomb(bomb, scene, delta_time)) {
-                play_sound(BOMB_RICOCHET, player_position_x, player_position_y, bomb.position.x, bomb.position.y);
+                platform_play_sound(BOMB_RICOCHET, player_position_x, player_position_y, bomb.position.x, bomb.position.y);
             }
 
-            if (is_offline_mode() && bomb.lifetime <= 0) {
+            if (platform_is_offline_mode() && bomb.lifetime <= 0) {
                 explode_bomb(bomb.position.x, bomb.position.y, bomb.position_z, player_position_x, player_position_y, particle_pool);
             }
         }
@@ -718,7 +718,7 @@ fn void entry() @init(2048) @private {
     // message. But since js_write() in server.mts is implemented as a
     // single console.log(), that newline is added implicitly anyway.
     os::native_fwrite_fn = fn usz!(void* f, char[] buffer) {
-        common::js_write(&buffer[0], buffer.len);
+        common::platform_write(&buffer[0], buffer.len);
         return buffer.len;
     };
     common::temp_mark = allocator::temp().used;
diff --git a/client.mjs b/client.mjs
index 1c8f261..b655984 100644
--- a/client.mjs
+++ b/client.mjs
@@ -154,12 +154,12 @@ async function instantiateWasmClient(url) {
             "fmodf": (x, y) => x % y,
             "fminf": Math.min,
             "fmaxf": Math.max,
-            "js_random": Math.random,
-            "js_write": (buffer, buffer_len) => {
+            "platform_random": Math.random,
+            "platform_write": (buffer, buffer_len) => {
                 console.log(new TextDecoder().decode(new Uint8ClampedArray(game.wasmClient.memory.buffer, buffer, buffer_len)));
             },
-            "is_offline_mode": () => game.ws.readyState != WebSocket.OPEN,
-            "play_sound": (sound, player_position_x, player_position_y, object_position_x, object_position_y) => {
+            "platform_is_offline_mode": () => game.ws.readyState != WebSocket.OPEN,
+            "platform_play_sound": (sound, player_position_x, player_position_y, object_position_x, object_position_y) => {
                 const maxVolume = 1;
                 const objectPosition = new Vector2(object_position_x, object_position_y);
                 const playerPosition = new Vector2(player_position_x, player_position_y);
diff --git a/client.mts b/client.mts
index be46c88..dc086fa 100644
--- a/client.mts
+++ b/client.mts
@@ -236,20 +236,19 @@ enum AssetSound {
 
 async function instantiateWasmClient(url: string): Promise<WasmClient> {
     const wasm = await WebAssembly.instantiateStreaming(fetch(url), {
-        // TODO: add js_write
         "env": {
             "fmodf": (x: number, y: number) => x%y,
             "fminf": Math.min,
             "fmaxf": Math.max,
-            "js_random": Math.random,
+            "platform_random": Math.random,
             // NOTE: This implicitly adds newline, but given how we using this
             // function in client.c3 it's actually fine. This function is called
             // once per io::printn() anyway.
-            "js_write": (buffer: number, buffer_len: number) => {
+            "platform_write": (buffer: number, buffer_len: number) => {
                 console.log(new TextDecoder().decode(new Uint8ClampedArray(game.wasmClient.memory.buffer, buffer, buffer_len)));
             },
-            "is_offline_mode": () => game.ws.readyState != WebSocket.OPEN,
-            "play_sound": (sound: number, player_position_x: number, player_position_y: number, object_position_x: number, object_position_y: number) => {
+            "platform_is_offline_mode": () => game.ws.readyState != WebSocket.OPEN,
+            "platform_play_sound": (sound: number, player_position_x: number, player_position_y: number, object_position_x: number, object_position_y: number) => {
                 const maxVolume = 1;
                 const objectPosition = new Vector2(object_position_x, object_position_y);
                 const playerPosition = new Vector2(player_position_x, player_position_y);
diff --git a/client.wasm b/client.wasm
index b9acff3..d58c408 100755
Binary files a/client.wasm and b/client.wasm differ
diff --git a/common.c3 b/common.c3
index 3b42e49..27c4bf2 100644
--- a/common.c3
+++ b/common.c3
@@ -9,7 +9,7 @@ const float BOMB_DAMP = 0.8;
 const float BOMB_SCALE = 0.25;
 const float PLAYER_RADIUS = 0.5;
 
-extern fn void js_write(void *buffer, usz buffer_sz);
+extern fn void platform_write(void *buffer, usz buffer_sz);
 
 def Vector2 = float[<2>];
 def IVector2 = int[<2>];
diff --git a/server.c3 b/server.c3
index 2720fc3..bb0da83 100644
--- a/server.c3
+++ b/server.c3
@@ -6,7 +6,7 @@ import common;
 
 /// Stats //////////////////////////////
 
-extern fn int js_now_secs();
+extern fn int platform_now_secs();
 
 const usz AVERAGE_CAPACITY = 30;
 def Samples = RingBuffer(<float, AVERAGE_CAPACITY>);
@@ -141,7 +141,7 @@ fn String get_stat(Stat *stat) {
     switch (stat.kind) {
         case COUNTER: return string::tformat("%d", stat.counter.value);
         case AVERAGE: return string::tformat("%f", stat.average.samples.average());
-        case TIMER:   return display_time_interval(js_now_secs() - stat.timer.started_at);
+        case TIMER:   return display_time_interval(platform_now_secs() - stat.timer.started_at);
     }
 }
 
@@ -297,9 +297,9 @@ fn void entry() @init(2048) @private {
     // message. But since js_write() in server.mts is implemented as a
     // single console.log(), that newline is added implicitly anyway.
     os::native_fwrite_fn = fn usz!(void* f, char[] buffer) {
-        common::js_write(&buffer[0], buffer.len);
+        common::platform_write(&buffer[0], buffer.len);
         return buffer.len;
     };
-    stats[StatEntry.UPTIME].timer.started_at = js_now_secs();
+    stats[StatEntry.UPTIME].timer.started_at = platform_now_secs();
     common::temp_mark = allocator::temp().used;
 }
diff --git a/server.mjs b/server.mjs
index c5a3fb0..f5821a9 100644
--- a/server.mjs
+++ b/server.mjs
@@ -332,15 +332,15 @@ function tick() {
     wasmServer.reset_temp_mark();
     setTimeout(tick, Math.max(0, 1000 / SERVER_FPS - tickTime));
 }
-function js_now_secs() {
+function platform_now_secs() {
     return Math.floor(Date.now() / 1000);
 }
-function js_write(buffer, buffer_len) {
+function platform_write(buffer, buffer_len) {
     console.log(new TextDecoder().decode(new Uint8ClampedArray(wasmServer.memory.buffer, buffer, buffer_len)));
 }
 async function instantiateWasmServer(path) {
     const wasm = await WebAssembly.instantiate(readFileSync(path), {
-        "env": { js_now_secs, js_write },
+        "env": { platform_now_secs, platform_write },
     });
     const wasmCommon = common.makeWasmCommon(wasm);
     wasmCommon._initialize();
diff --git a/server.mts b/server.mts
index fb7f78b..cdce0d5 100644
--- a/server.mts
+++ b/server.mts
@@ -406,20 +406,20 @@ interface WasmServer extends common.WasmCommon {
     exploded_bombs_as_batch_message: (exploded_bombs: number, bombs: number) => number,
 }
 
-function js_now_secs(): number {
+function platform_now_secs(): number {
     return Math.floor(Date.now()/1000);
 }
 
 // NOTE: This implicitly adds newline, but given how we using this
 // function in server.c3 it's actually fine. This function is called
 // once per io::printn() anyway.
-function js_write(buffer: number, buffer_len: number) {
+function platform_write(buffer: number, buffer_len: number) {
     console.log(new TextDecoder().decode(new Uint8ClampedArray(wasmServer.memory.buffer, buffer, buffer_len)));
 }
 
 async function instantiateWasmServer(path: string): Promise<WasmServer> {
     const wasm = await WebAssembly.instantiate(readFileSync(path), {
-        "env": {js_now_secs, js_write},
+        "env": {platform_now_secs, platform_write},
     });
     const wasmCommon = common.makeWasmCommon(wasm);
     wasmCommon._initialize();
diff --git a/server.wasm b/server.wasm
index 3ca0292..44b5284 100755
Binary files a/server.wasm and b/server.wasm differ