| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
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Full Steam Ahead! | 3.38 | 09/27/2025 00:00:00 | 09/27/2025 23:59:59 |
| Play on September 27th, the anniversary of The Dead Linger's Early Access release on Steam! | |||||
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Pumpkin spiced SUPERHOT | 1.27 | 10/24/2025 00:00:00 | 11/07/2025 23:59:59 |
| Launch pumpkin spiced challenge between 24.10 & 7.11 | |||||
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Happy Halloween! | 0.99 | 10/31/2025 00:00:00 | 10/31/2025 23:59:59 |
| Play the Halloween version of the game. | |||||
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Cheerful Child | 1.02 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Normal difficulty. Unlocks the "Happy Baby" mask. | |||||
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Gilliam's Sweet Little Baby | 1.04 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Hard difficulty. Unlocks the "Brazil Baby" mask. | |||||
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Temper Tantrum | 1.06 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the Very Hard difficulty. Unlocks the "Angry Baby" mask. | |||||
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Water Works | 1.07 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| In the Safe House Nightmare job find the correct baby mask on the OVERKILL difficulty. Unlocks the "Cry Baby" mask. | |||||
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Sixth Nightmare | 1.08 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Death Wish difficulty or above. | |||||
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Fifth Nightmare | 1.20 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Mayhem difficulty or above. | |||||
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A Horrible Seventh Nightmare | 1.30 | 10/31/2025 00:00:00 | 11/04/2025 23:59:59 |
| Complete the Safe House Nightmare job on the Death Sentence difficulty with the One Down mechanic activated. | |||||
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I Linger Too (Anniversary) | 1.28 | 10/31/2025 00:00:00 | 11/09/2025 23:59:59 |
| Play between October 31st and November 9th, to celebrate the anniversary of The Dead Linger's first alpha release! | |||||
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Christmas Shopping | 1.45 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Buy an item from the Camp Store on Christmas. | |||||
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Crappy Gifts This Year? | 0.00 | 12/25/2025 00:00:00 | 12/25/2025 23:59:59 |
| Play on December 25th instead of spending time with loved ones. | |||||