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Tried the game on Firefox, Chrome, Edge and Internet Explorer and most enemies are invisible save for the one in the first level and mines (maybe others as well). Additionally, on Chrome (and likely on the rest) if something is destroyed by the mines (you or an ally) the game crashes. I'm not sure if the game can even be completed anymore let alone with a time limit so Rock Mobster may actually be impossible and even if not, Speed Demon is likely very close
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It seems the ships are invisible and don't fire on half of the waves. I was aware that the deprecation of Flash over time was going to cause a few problems, but this is ridiculous! At least getting the Rock Mobster badge is a bit easier now.
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tmw you're on the last stage and a mine spawns right next to you... tmw you're chasing down an orange ship and it flies offscreen so you can't hit it...
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The game glitches out when the display is not 650x500. You can zoom to get to that size, or edit the gamediv dimensions (using Inspect Element). For specific numbers type in the url bar javascript:alert("Zoom to "+(100/window.devicePixelRatio)+"%\nOr set gamediv width "+(650/window.devicePixelRatio));
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Oh Jesus, I remember first playing this game while bored at my mother's workplace, when I was about 10-12 years old. Wow this is such a nostalgia trip.
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For the invisible ships bug, I just found out that it only happens in cinematic mode.
If you don't go in cinematic mode, all the ships appear and shoot just fine.
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The ONLY thing you need to do to get both HARD badges at the same time is to get all, and I mean ALL, the SPEED powerups.
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On a mac w/ firefox, I can see the repulse ships and my allies, but cannot see anything else I'm destroying. I see the explosions, but not what I'm hitting.
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So many bugs I am surprised the game was even allowed on Kong. Invisible enemies for most levels, random freezing, and glitchy level endings.
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I feel lucky, I got both badges at once, almost as if I earned an impossible badge! If you just upgrade your speed and nothing else, plus memorize the field and then at the end just run around in circles you should win after a few tries. Good luck!