You need to run 600 missions just to MAYBE see aliens in GTA Online.
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You need to run 600 missions just to MAYBE see aliens in GTA Online.

The Alien Egg resupply mission only unlocks after completing at least 600 Bunker resupply missions, and even then it only has a random chance to trigger between 9-11 PM in-game time. Agent 14 deliberately pretends nothing weird is happening, calling it just 'Supplies' despite you fighting aliens at a UFO crash site.

Source: Alien EggCC BY-SA

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A sightseeing shot of the infamous Alien Egg — the rare oddity that demands 600+ resupply runs before it'll even show its face.
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A sightseeing shot of the infamous Alien Egg — the rare oddity that demands 600+ resupply runs before it'll even show its face.

The Alien Egg's mystery follows you even to Cayo Perico — Rockstar loves hiding this lore everywhere.
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The Alien Egg's mystery follows you even to Cayo Perico — Rockstar loves hiding this lore everywhere.

The 'Steal Supplies' run where Agent 14 plays it totally cool — just another Tuesday, nothing weird about fighting aliens at a UFO crash site.
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The 'Steal Supplies' run where Agent 14 plays it totally cool — just another Tuesday, nothing weird about fighting aliens at a UFO crash site.

The golden window: 9-11 PM in-game. Spot this egg at night and you've finally beaten the RNG gods after hundreds of grinds.
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The golden window: 9-11 PM in-game. Spot this egg at night and you've finally beaten the RNG gods after hundreds of grinds.

Daylight view of the crash zone — but don't bother showing up early; that 600-mission gatekeeping is absolutely brutal.
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Daylight view of the crash zone — but don't bother showing up early; that 600-mission gatekeeping is absolutely brutal.

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