BorderElement = EL_EMPTY;
- // the MM game engine does not use a visible border element
- if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
+ // only the R'n'D game engine may use an additional steelwall border
+ if (level.game_engine_type != GAME_ENGINE_TYPE_RND)
return;
for (y = 0; y < lev_fieldy && BorderElement == EL_EMPTY; y++)