| Game | Achievement | Points | From | To | |
|---|---|---|---|---|---|
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Storyteller | 1.39 | 07/04/2025 00:00:00 | 07/04/2025 23:59:59 |
| Have 12 murderous dates with Calendar Man | |||||
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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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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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Santa's Little Helper | 1.27 | 12/01/2025 00:00:00 | 12/31/2025 23:59:59 |
| Deliver all presents in the eight levels when they are touched by frost in December | |||||
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Catch a Cold | 0.80 | 12/01/2025 00:00:00 | 12/31/2025 23:59:59 |
| Collect all ten snowflakes that appear in December before they melt | |||||
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Christmas In Cairo | 1.36 | 12/10/2025 00:00:00 | 01/05/2026 23:59:59 |
| Decorate the Christmas tree. | |||||
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Reindeer Hunter | 1.81 | 12/10/2025 00:00:00 | 01/05/2026 23:59:59 |
| Decorate the Christmas tree on each level to unlock Rodolfo player model. | |||||
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DISAPPOINTING PRESENTS | 0.87 | 12/19/2025 00:00:00 | 01/08/2026 23:59:59 |
| Defeated 1 Xmas Ultrayeti | |||||
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UNDERCOOKED TURKEY | 1.03 | 12/19/2025 00:00:00 | 01/08/2026 23:59:59 |
| Defeated 2 Xmas Ultrayetis | |||||
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NO-ONE LIKES XMAS PUDDING | 1.11 | 12/19/2025 00:00:00 | 01/08/2026 23:59:59 |
| Defeated 3 Xmas Ultrayetis | |||||
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SPROUT FLATULENCE | 1.19 | 12/19/2025 00:00:00 | 01/08/2026 23:59:59 |
| Defeated 4 Xmas Ultrayetis | |||||
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DRUNKEN FAMILY ARGUMENT | 0.75 | 12/19/2025 00:00:00 | 01/08/2026 23:59:59 |
| Hurrah! Christmas is finally over! | |||||
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Crusher | 2.14 | 12/24/2025 00:00:00 | 12/24/2025 23:59:59 |
| Crushed 25 robots in doors | |||||
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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. | |||||
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Tisn't the Season | 0.93 | 12/25/2025 00:00:00 | 12/26/2025 23:59:59 |
| Play Costume Quest on Christmas. | |||||
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Endless Day | 2.19 | 01/21/2026 00:00:00 | 01/25/2026 23:59:59 |
| …the galaxy as the Archivist, Emlek Tarosh, fulfills its duty. | |||||
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Be Mine | 1.87 | 02/14/2026 00:00:00 | 02/14/2026 23:59:59 |
| Use the heart emote on Valentine's Day. | |||||
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Happy Birthday Pixel! | 1.35 | 04/29/2026 00:00:00 | 04/29/2026 23:59:59 |
| Played Cave Story on April 29th! | |||||