diff --git a/src/doom/g_game.c b/src/doom/g_game.c
index f23586b..3b41a5a 100644
--- a/src/doom/g_game.c
+++ b/src/doom/g_game.c
@@ -736,12 +736,27 @@ boolean G_Responder(event_t *ev)
 // G_Ticker
 // Make ticcmd_ts for the players.
 //
+#ifdef __EMSCRIPTEN__
+// wasmga.me: the slot of the Resume snapshot (see wg_snapshot below).
+#define WG_SNAPSHOT_SLOT 7
+static boolean wg_resume_pending;
+#endif
+
 void G_Ticker(void)
 {
     int i;
     int buf;
     ticcmd_t *cmd;
 
+#ifdef __EMSCRIPTEN__
+    // wasmga.me: a snapshot asked for while the game was still starting
+    // loads once it runs, after the title screen has been set up.
+    if (wg_resume_pending && gameaction == ga_nothing) {
+        wg_resume_pending = false;
+        G_LoadGame(P_SaveGameFile(WG_SNAPSHOT_SLOT));
+    }
+#endif
+
     // do player reborns if needed
     for (i = 0; i < MAXPLAYERS; i++)
         if (playeringame[i] && players[i].playerstate == PST_REBORN) G_DoReborn(i);
@@ -2059,3 +2074,34 @@ boolean G_CheckDemoStatus(void)
     return false;
 }
 
+
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+
+// wasmga.me: the play page keeps one snapshot of the game to resume from, as
+// an ordinary savegame in a slot the menus don't show. Both are called
+// between frames.
+
+// Writes the snapshot when the game is in a level it could save from the
+// menu, without the "game saved." message. Returns whether it wrote one.
+EMSCRIPTEN_KEEPALIVE int wg_snapshot(void)
+{
+    char *message = players[consoleplayer].message;
+
+    if (!usergame || gamestate != GS_LEVEL || netgame || demoplayback || gameaction != ga_nothing
+        || players[consoleplayer].playerstate == PST_DEAD) {
+        return 0;
+    }
+    savegameslot = WG_SNAPSHOT_SLOT;
+    M_StringCopy(savedescription, "RESUME", sizeof(savedescription));
+    G_DoSaveGame();
+    players[consoleplayer].message = message;
+    return 1;
+}
+
+// Loads the snapshot on the next tic the game runs.
+EMSCRIPTEN_KEEPALIVE void wg_resume(void)
+{
+    wg_resume_pending = true;
+}
+#endif